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From 804ac051cc8be7ff0bf0791c0b53db04edce0926 Mon Sep 17 00:00:00 2001
From: Kaushal M <kmadappa@redhat.com>
Date: Thu, 11 Jun 2015 18:21:17 +0530
Subject: [PATCH 02/74] glusterd: fix op-versions for RHS backwards
 compatability

Backport of https://code.engineering.redhat.com/gerrit/#/c/60485/

This change fixes the op-version of different features and checks to maintain
backwards compatability with RHS-3.0 and before.

Label: DOWNSTREAM ONLY

Change-Id: Icb282444da179b12fbd6ed9f491514602f1a38c2
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-on: https://code.engineering.redhat.com/gerrit/70348
---
 libglusterfs/src/globals.h                         |  45 +++--
 xlators/mgmt/glusterd/src/glusterd-brick-ops.c     |   8 +-
 xlators/mgmt/glusterd/src/glusterd-handler.c       |  14 +-
 xlators/mgmt/glusterd/src/glusterd-op-sm.c         |  16 +-
 xlators/mgmt/glusterd/src/glusterd-peer-utils.c    |   8 +-
 xlators/mgmt/glusterd/src/glusterd-rebalance.c     |   4 +-
 xlators/mgmt/glusterd/src/glusterd-replace-brick.c |   4 +-
 xlators/mgmt/glusterd/src/glusterd-rpc-ops.c       |   6 +-
 xlators/mgmt/glusterd/src/glusterd-sm.c            |   2 +-
 .../mgmt/glusterd/src/glusterd-snapshot-utils.c    |  12 +-
 xlators/mgmt/glusterd/src/glusterd-snapshot.c      |   4 +-
 xlators/mgmt/glusterd/src/glusterd-store.c         |  27 +--
 xlators/mgmt/glusterd/src/glusterd-syncop.c        |   2 +-
 xlators/mgmt/glusterd/src/glusterd-tier.c          |   2 +-
 xlators/mgmt/glusterd/src/glusterd-utils.c         |   8 +-
 xlators/mgmt/glusterd/src/glusterd-volume-ops.c    |  12 +-
 xlators/mgmt/glusterd/src/glusterd-volume-set.c    | 198 +++++++++++----------
 17 files changed, 193 insertions(+), 179 deletions(-)

diff --git a/libglusterfs/src/globals.h b/libglusterfs/src/globals.h
index 365183d..bd7cffe 100644
--- a/libglusterfs/src/globals.h
+++ b/libglusterfs/src/globals.h
@@ -18,23 +18,28 @@
 #define GD_MIN_OP_VERSION_KEY "minimum-operating-version"
 #define GD_MAX_OP_VERSION_KEY "maximum-operating-version"
 
-/* Gluster versions - OP-VERSION mapping
+/* RHS versions - OP-VERSION mapping
  *
- * 3.3.x                - 1
- * 3.4.x                - 2
- * 3.5.0                - 3
- * 3.5.1                - 30501
- * 3.6.0                - 30600
- * 3.7.0                - 30700
- * 3.7.1                - 30701
- * 3.7.2                - 30702
+ * RHS-2.0 Z    - 1
+ * RHS-2.1 Z    - 2
+ * RHS-2.1 u5   - 20105
+ * RHS-3.0      - 30000
+ * RHS-3.0.4    - 30004
+ * RHGS-3.1     - 30702
  *
- * Starting with Gluster v3.6, the op-version will be multi-digit integer values
- * based on the Glusterfs version, instead of a simply incrementing integer
- * value. The op-version for a given X.Y.Z release will be an integer XYZ, with
- * Y and Z 2 digit always 2 digits wide and padded with 0 when needed. This
- * should allow for some gaps between two Y releases for backports of features
- * in Z releases.
+ *
+ * NOTE:
+ * Starting with RHS-3.0, the op-version will be multi-digit integer values
+ * based on the RHS version, instead of a simply incrementing integer value. The
+ * op-version for a given RHS X(Major).Y(Minor).Z(Update) release will be an
+ * integer with digits XYZ. The Y and Z values will be 2 digits wide always
+ * padded with 0 as needed. This should allow for some gaps between two Y
+ * releases for backports of features in Z releases.
+ *
+ * NOTE:
+ * Starting with RHGS-3.1, the op-version will be the same as the upstream
+ * GlusterFS op-versions. This is to allow proper access to upstream clients of
+ * version 3.7.x or greater, proper access to the RHGS volumes.
  */
 #define GD_OP_VERSION_MIN  1 /* MIN is the fresh start op-version, mostly
                                 should not change */
@@ -44,7 +49,13 @@
                                                   introduction of newer
                                                   versions */
 
-#define GD_OP_VERSION_3_6_0    30600 /* Op-Version for GlusterFS 3.6.0 */
+#define GD_OP_VERSION_RHS_3_0    30000 /* Op-Version of RHS 3.0 */
+
+#define GD_OP_VER_PERSISTENT_AFR_XATTRS GD_OP_VERSION_RHS_3_0
+
+#define GD_OP_VERSION_RHS_2_1_5  20105 /* RHS 2.1 update 5 */
+
+#define GD_OP_VERSION_RHS_3_0_4  30004 /* Op-Version of RHS 3.0.4 */
 
 #define GD_OP_VERSION_3_7_0    30700 /* Op-version for GlusterFS 3.7.0 */
 
@@ -90,8 +101,6 @@
 
 #define GD_OP_VERSION_3_12_2   31202 /* Op-version for GlusterFS 3.12.2 */
 
-#define GD_OP_VER_PERSISTENT_AFR_XATTRS GD_OP_VERSION_3_6_0
-
 #include "xlator.h"
 
 /* THIS */
diff --git a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
index 6d17ff4..e88fa3f 100644
--- a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c
@@ -1379,7 +1379,7 @@ glusterd_op_perform_add_bricks (glusterd_volinfo_t *volinfo, int32_t count,
                 /* A bricks mount dir is required only by snapshots which were
                  * introduced in gluster-3.6.0
                  */
-                if (conf->op_version >= GD_OP_VERSION_3_6_0) {
+                if (conf->op_version >= GD_OP_VERSION_RHS_3_0) {
                         brick_mount_dir = NULL;
 
                         snprintf (key, sizeof(key), "brick%d.mount_dir", i);
@@ -1926,7 +1926,7 @@ glusterd_op_stage_add_brick (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
                         /* A bricks mount dir is required only by snapshots which were
                          * introduced in gluster-3.6.0
                          */
-                        if (conf->op_version >= GD_OP_VERSION_3_6_0) {
+                        if (conf->op_version >= GD_OP_VERSION_RHS_3_0) {
                                 ret = glusterd_get_brick_mount_dir
                                         (brickinfo->path, brickinfo->hostname,
                                          brickinfo->mount_dir);
@@ -2266,12 +2266,12 @@ glusterd_op_stage_remove_brick (dict_t *dict, char **op_errstr)
                 }
 
                 /* Check if the connected clients are all of version
-                 * glusterfs-3.6 and higher. This is needed to prevent some data
+                 * RHS-2.1u5 and higher. This is needed to prevent some data
                  * loss issues that could occur when older clients are connected
                  * when rebalance is run.
                  */
                 ret = glusterd_check_client_op_version_support
-                        (volname, GD_OP_VERSION_3_6_0, NULL);
+                        (volname, GD_OP_VERSION_RHS_2_1_5, NULL);
                 if (ret) {
                         ret = gf_asprintf (op_errstr, "Volume %s has one or "
                                            "more connected clients of a version"
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index 185186a..af9a796 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -754,7 +754,7 @@ glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx,
         }
 
         /* Based on the op_version, acquire a cluster or mgmt_v3 lock */
-        if (priv->op_version < GD_OP_VERSION_3_6_0) {
+        if (priv->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = glusterd_lock (MY_UUID);
                 if (ret) {
                         gf_msg (this->name, GF_LOG_ERROR, 0,
@@ -804,7 +804,7 @@ glusterd_op_txn_begin (rpcsvc_request_t *req, glusterd_op_t op, void *ctx,
 local_locking_done:
         /* If no volname is given as a part of the command, locks will
          * not be held, hence sending stage event. */
-        if (volname || (priv->op_version < GD_OP_VERSION_3_6_0))
+        if (volname || (priv->op_version < GD_OP_VERSION_RHS_3_0))
                 event_type = GD_OP_EVENT_START_LOCK;
         else {
                 txn_op_info.state.state = GD_OP_STATE_LOCK_SENT;
@@ -836,7 +836,7 @@ out:
         if (locked && ret) {
                 /* Based on the op-version, we release the
                  * cluster or mgmt_v3 lock */
-                if (priv->op_version < GD_OP_VERSION_3_6_0)
+                if (priv->op_version < GD_OP_VERSION_RHS_3_0)
                         glusterd_unlock (MY_UUID);
                 else {
                         ret = glusterd_mgmt_v3_unlock (volname, MY_UUID,
@@ -4313,11 +4313,11 @@ __glusterd_handle_status_volume (rpcsvc_request_t *req)
         }
 
         if ((cmd & GF_CLI_STATUS_SNAPD) &&
-            (conf->op_version < GD_OP_VERSION_3_6_0)) {
+            (conf->op_version < GD_OP_VERSION_RHS_3_0)) {
                 snprintf (err_str, sizeof (err_str), "The cluster is operating "
                           "at a lesser version than %d. Getting the status of "
                           "snapd is not allowed in this state",
-                          GD_OP_VERSION_3_6_0);
+                          GD_OP_VERSION_RHS_3_0);
                 ret = -1;
                 goto out;
         }
@@ -4337,7 +4337,7 @@ __glusterd_handle_status_volume (rpcsvc_request_t *req)
                 snprintf (err_str, sizeof (err_str), "The cluster is operating "
                           "at a lesser version than %d. Getting the status of "
                           "tierd is not allowed in this state",
-                          GD_OP_VERSION_3_6_0);
+                          GD_OP_VERSION_RHS_3_0);
                 ret = -1;
                 goto out;
         }
@@ -6287,7 +6287,7 @@ __glusterd_peer_rpc_notify (struct rpc_clnt *rpc, void *mydata,
                           glusterd_friend_sm_state_name_get (peerinfo->state.state));
 
                 if (peerinfo->connected) {
-                        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+                        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                                 glusterd_get_lock_owner (&uuid);
                                 if (!gf_uuid_is_null (uuid) &&
                                     !gf_uuid_compare (peerinfo->uuid, uuid))
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 7bb3d53..6d5b8cf 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -191,7 +191,7 @@ glusterd_generate_txn_id (dict_t *dict, uuid_t **txn_id)
         if (!*txn_id)
                 goto out;
 
-        if (priv->op_version < GD_OP_VERSION_3_6_0)
+        if (priv->op_version < GD_OP_VERSION_RHS_3_0)
                 gf_uuid_copy (**txn_id, priv->global_txn_id);
         else
                 gf_uuid_generate (**txn_id);
@@ -1824,11 +1824,11 @@ glusterd_op_stage_status_volume (dict_t *dict, char **op_errstr)
         }
 
         if ((cmd & GF_CLI_STATUS_SNAPD) &&
-            (priv->op_version < GD_OP_VERSION_3_6_0)) {
+            (priv->op_version < GD_OP_VERSION_RHS_3_0)) {
                 snprintf (msg, sizeof (msg), "The cluster is operating at "
                           "version less than %d. Getting the "
                           "status of snapd is not allowed in this state.",
-                          GD_OP_VERSION_3_6_0);
+                          GD_OP_VERSION_RHS_3_0);
                 ret = -1;
                 goto out;
         }
@@ -3872,7 +3872,7 @@ glusterd_op_ac_send_lock (glusterd_op_sm_event_t *event, void *ctx)
                         continue;
 
                 /* Based on the op_version, acquire a cluster or mgmt_v3 lock */
-                if (priv->op_version < GD_OP_VERSION_3_6_0) {
+                if (priv->op_version < GD_OP_VERSION_RHS_3_0) {
                         proc = &peerinfo->mgmt->proctable
                                           [GLUSTERD_MGMT_CLUSTER_LOCK];
                         if (proc->fn) {
@@ -3983,7 +3983,7 @@ glusterd_op_ac_send_unlock (glusterd_op_sm_event_t *event, void *ctx)
                         continue;
                 /* Based on the op_version,
                  * release the cluster or mgmt_v3 lock */
-                if (priv->op_version < GD_OP_VERSION_3_6_0) {
+                if (priv->op_version < GD_OP_VERSION_RHS_3_0) {
                         proc = &peerinfo->mgmt->proctable
                                           [GLUSTERD_MGMT_CLUSTER_UNLOCK];
                         if (proc->fn) {
@@ -5010,7 +5010,7 @@ glusterd_op_modify_op_ctx (glusterd_op_t op, void *ctx)
                 count = brick_index_max + other_count + 1;
 
                 /*
-                 * a glusterd lesser than version 3.7 will be sending the
+                 * a glusterd lesser than version RHS-3.0.4 will be sending the
                  * rdma port in older key. Changing that value from here
                  * to support backward compatibility
                  */
@@ -5029,7 +5029,7 @@ glusterd_op_modify_op_ctx (glusterd_op_t op, void *ctx)
                          }
                  }
                  glusterd_volinfo_find (volname, &volinfo);
-                 if (conf->op_version < GD_OP_VERSION_3_7_0 &&
+                 if (conf->op_version < GD_OP_VERSION_RHS_3_0_4 &&
                      volinfo->transport_type == GF_TRANSPORT_RDMA) {
                          ret = glusterd_op_modify_port_key (op_ctx,
                                                             brick_index_max);
@@ -5670,7 +5670,7 @@ glusterd_op_txn_complete (uuid_t *txn_id)
         glusterd_op_clear_errstr ();
 
         /* Based on the op-version, we release the cluster or mgmt_v3 lock */
-        if (priv->op_version < GD_OP_VERSION_3_6_0) {
+        if (priv->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = glusterd_unlock (MY_UUID);
                 /* unlock cant/shouldnt fail here!! */
                 if (ret)
diff --git a/xlators/mgmt/glusterd/src/glusterd-peer-utils.c b/xlators/mgmt/glusterd/src/glusterd-peer-utils.c
index 31f9e87..592aa16 100644
--- a/xlators/mgmt/glusterd/src/glusterd-peer-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-peer-utils.c
@@ -554,7 +554,7 @@ out:
  * @prefix. All the parameters are compulsory.
  *
  * The complete address list is added to the dict only if the cluster op-version
- * is >= GD_OP_VERSION_3_6_0
+ * is >= GD_OP_VERSION_3_7_0
  */
 int
 gd_add_friend_to_dict (glusterd_peerinfo_t *friend, dict_t *dict,
@@ -609,7 +609,7 @@ gd_add_friend_to_dict (glusterd_peerinfo_t *friend, dict_t *dict,
                 goto out;
         }
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_3_7_0) {
                 ret = 0;
                 goto out;
         }
@@ -799,7 +799,7 @@ gd_update_peerinfo_from_dict (glusterd_peerinfo_t *peerinfo, dict_t *dict,
                 GF_FREE (peerinfo->hostname);
         peerinfo->hostname = gf_strdup (hostname);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_3_7_0) {
                 ret = 0;
                 goto out;
         }
@@ -913,7 +913,7 @@ gd_add_peer_hostnames_to_dict (glusterd_peerinfo_t *peerinfo, dict_t *dict,
         conf = this->private;
         GF_VALIDATE_OR_GOTO (this->name, (conf != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_3_7_0) {
                 ret = 0;
                 goto out;
         }
diff --git a/xlators/mgmt/glusterd/src/glusterd-rebalance.c b/xlators/mgmt/glusterd/src/glusterd-rebalance.c
index fcafb5b..76191c4 100644
--- a/xlators/mgmt/glusterd/src/glusterd-rebalance.c
+++ b/xlators/mgmt/glusterd/src/glusterd-rebalance.c
@@ -678,13 +678,13 @@ glusterd_op_stage_rebalance (dict_t *dict, char **op_errstr)
         case GF_DEFRAG_CMD_START:
         case GF_DEFRAG_CMD_START_LAYOUT_FIX:
                 /* Check if the connected clients are all of version
-                 * glusterfs-3.6 and higher. This is needed to prevent some data
+                 * RHS-2.1u5 and higher. This is needed to prevent some data
                  * loss issues that could occur when older clients are connected
                  * when rebalance is run. This check can be bypassed by using
                  * 'force'
                  */
                 ret = glusterd_check_client_op_version_support
-                        (volname, GD_OP_VERSION_3_6_0, NULL);
+                        (volname, GD_OP_VERSION_RHS_2_1_5, NULL);
                 if (ret) {
                         ret = gf_asprintf (op_errstr, "Volume %s has one or "
                                            "more connected clients of a version"
diff --git a/xlators/mgmt/glusterd/src/glusterd-replace-brick.c b/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
index 08a6df0..18fc741 100644
--- a/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
+++ b/xlators/mgmt/glusterd/src/glusterd-replace-brick.c
@@ -305,7 +305,7 @@ glusterd_op_stage_replace_brick (dict_t *dict, char **op_errstr,
                 if (ret)
                         goto out;
 
-        } else if (priv->op_version >= GD_OP_VERSION_3_6_0) {
+        } else if (priv->op_version >= GD_OP_VERSION_RHS_3_0) {
                 /* A bricks mount dir is required only by snapshots which were
                  * introduced in gluster-3.6.0
                  */
@@ -389,7 +389,7 @@ glusterd_op_perform_replace_brick (glusterd_volinfo_t  *volinfo,
         /* A bricks mount dir is required only by snapshots which were
          * introduced in gluster-3.6.0
          */
-        if (conf->op_version >= GD_OP_VERSION_3_6_0) {
+        if (conf->op_version >= GD_OP_VERSION_RHS_3_0) {
                 ret = dict_get_str (dict, "brick1.mount_dir", &brick_mount_dir);
                 if (ret) {
                         gf_msg (this->name, GF_LOG_ERROR, errno,
diff --git a/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c b/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c
index ab52e8d..86e1256 100644
--- a/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-rpc-ops.c
@@ -302,11 +302,11 @@ __glusterd_probe_cbk (struct rpc_req *req, struct iovec *iov,
          * we need to add the new hostname to the peer.
          *
          * This addition should only be done for cluster op-version >=
-         * GD_OP_VERSION_3_6_0 as address lists are only supported from then on.
+         * GD_OP_VERSION_3_7_0 as address lists are only supported from then on.
          * Also, this update should only be done when an explicit CLI probe
          * command was used to begin the probe process.
          */
-        if ((conf->op_version >= GD_OP_VERSION_3_6_0) &&
+        if ((conf->op_version >= GD_OP_VERSION_3_7_0) &&
             (gf_uuid_compare (rsp.uuid, peerinfo->uuid) == 0)) {
                 ctx = ((call_frame_t *)myframe)->local;
                 /* Presence of ctx->req implies this probe was started by a cli
@@ -1591,7 +1591,7 @@ glusterd_rpc_friend_add (call_frame_t *frame, xlator_t *this,
                 goto out;
         }
 
-        if (priv->op_version >= GD_OP_VERSION_3_6_0) {
+        if (priv->op_version >= GD_OP_VERSION_RHS_3_0) {
                 ret = glusterd_add_missed_snaps_to_export_dict (peer_data);
                 if (ret) {
                         gf_msg (this->name, GF_LOG_ERROR, 0,
diff --git a/xlators/mgmt/glusterd/src/glusterd-sm.c b/xlators/mgmt/glusterd/src/glusterd-sm.c
index f83e851..6c56837 100644
--- a/xlators/mgmt/glusterd/src/glusterd-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-sm.c
@@ -942,7 +942,7 @@ glusterd_ac_handle_friend_add_req (glusterd_friend_sm_event_t *event, void *ctx)
         /* Compare missed_snapshot list with the peer *
          * if volume comparison is successful */
         if ((op_ret == 0) &&
-            (conf->op_version >= GD_OP_VERSION_3_6_0)) {
+            (conf->op_version >= GD_OP_VERSION_RHS_3_0)) {
                 ret = glusterd_import_friend_missed_snap_list (ev_ctx->vols);
                 if (ret) {
                         gf_msg (this->name, GF_LOG_ERROR, 0,
diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c b/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
index 9e2a75f..6fb49c3 100644
--- a/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot-utils.c
@@ -468,7 +468,7 @@ gd_add_brick_snap_details_to_dict (dict_t *dict, char *prefix,
         GF_VALIDATE_OR_GOTO (this->name, (prefix != NULL), out);
         GF_VALIDATE_OR_GOTO (this->name, (brickinfo != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
@@ -550,7 +550,7 @@ gd_add_vol_snap_details_to_dict (dict_t *dict, char *prefix,
         GF_VALIDATE_OR_GOTO (this->name, (volinfo != NULL), out);
         GF_VALIDATE_OR_GOTO (this->name, (prefix != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
@@ -878,7 +878,7 @@ gd_import_new_brick_snap_details (dict_t *dict, char *prefix,
         GF_VALIDATE_OR_GOTO (this->name, (prefix != NULL), out);
         GF_VALIDATE_OR_GOTO (this->name, (brickinfo != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
@@ -939,8 +939,8 @@ out:
  * Imports the snapshot details of a volume if required and available
  *
  * Snapshot details will be imported only if cluster.op_version is greater than
- * or equal to GD_OP_VERSION_3_6_0, the op-version from which volume snapshot is
- * supported.
+ * or equal to GD_OP_VERSION_RHS_3_0, the op-version from which volume snapshot
+ * is supported.
  */
 int
 gd_import_volume_snap_details (dict_t *dict, glusterd_volinfo_t *volinfo,
@@ -962,7 +962,7 @@ gd_import_volume_snap_details (dict_t *dict, glusterd_volinfo_t *volinfo,
         GF_VALIDATE_OR_GOTO (this->name, (prefix != NULL), out);
         GF_VALIDATE_OR_GOTO (this->name, (volname != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
diff --git a/xlators/mgmt/glusterd/src/glusterd-snapshot.c b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
index 31f4d95..6306d29 100644
--- a/xlators/mgmt/glusterd/src/glusterd-snapshot.c
+++ b/xlators/mgmt/glusterd/src/glusterd-snapshot.c
@@ -9341,7 +9341,7 @@ glusterd_handle_snapshot_fn (rpcsvc_request_t *req)
                 goto out;
         }
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 snprintf (err_str, sizeof (err_str), "Cluster operating version"
                           " is lesser than the supported version "
                           "for a snapshot");
@@ -9349,7 +9349,7 @@ glusterd_handle_snapshot_fn (rpcsvc_request_t *req)
                 gf_msg (this->name, GF_LOG_ERROR, 0,
                         GD_MSG_UNSUPPORTED_VERSION,
                         "%s (%d < %d)", err_str,
-                        conf->op_version, GD_OP_VERSION_3_6_0);
+                        conf->op_version, GD_OP_VERSION_RHS_3_0);
                 ret = -1;
                 goto out;
         }
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c
index 4d22b63..229391a 100644
--- a/xlators/mgmt/glusterd/src/glusterd-store.c
+++ b/xlators/mgmt/glusterd/src/glusterd-store.c
@@ -302,7 +302,7 @@ gd_store_brick_snap_details_write (int fd, glusterd_brickinfo_t *brickinfo)
         GF_VALIDATE_OR_GOTO (this->name, (fd > 0), out);
         GF_VALIDATE_OR_GOTO (this->name, (brickinfo != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
@@ -799,7 +799,7 @@ glusterd_volume_write_snap_details (int fd, glusterd_volinfo_t *volinfo)
         GF_VALIDATE_OR_GOTO (this->name, (fd > 0), out);
         GF_VALIDATE_OR_GOTO (this->name, (volinfo != NULL), out);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
@@ -968,7 +968,7 @@ glusterd_volume_exclude_options_write (int fd, glusterd_volinfo_t *volinfo)
                         goto out;
         }
 
-        if (conf->op_version >= GD_OP_VERSION_3_6_0) {
+        if (conf->op_version >= GD_OP_VERSION_RHS_3_0) {
                 snprintf (buf, sizeof (buf), "%d", volinfo->disperse_count);
                 ret = gf_store_save_value (fd,
                                            GLUSTERD_STORE_KEY_VOL_DISPERSE_CNT,
@@ -2339,7 +2339,7 @@ glusterd_store_retrieve_snapd (glusterd_volinfo_t *volinfo)
         conf = THIS->private;
         GF_ASSERT (volinfo);
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0) {
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0) {
                 ret = 0;
                 goto out;
         }
@@ -2347,15 +2347,16 @@ glusterd_store_retrieve_snapd (glusterd_volinfo_t *volinfo)
         /*
          * This is needed for upgrade situations. Say a volume is created with
          * older version of glusterfs and upgraded to a glusterfs version equal
-         * to or greater than GD_OP_VERSION_3_6_0. The older glusterd would not
-         * have created the snapd.info file related to snapshot daemon for user
-         * serviceable snapshots. So as part of upgrade when the new glusterd
-         * starts, as part of restore (restoring the volume to be precise), it
-         * tries to snapd related info from snapd.info file. But since there was
-         * no such file till now, the restore operation fails. Thus, to prevent
-         * it from happening check whether user serviceable snapshots features
-         * is enabled before restoring snapd. If its disbaled, then simply
-         * exit by returning success (without even checking for the snapd.info).
+         * to or greater than GD_OP_VERSION_RHS_3_0. The older glusterd would
+         * not have created the snapd.info file related to snapshot daemon for
+         * user serviceable snapshots. So as part of upgrade when the new
+         * glusterd starts, as part of restore (restoring the volume to be
+         * precise), it tries to snapd related info from snapd.info file. But
+         * since there was no such file till now, the restore operation fails.
+         * Thus, to prevent it from happening check whether user serviceable
+         * snapshots features is enabled before restoring snapd. If its
+         * disbaled, then simply exit by returning success (without even
+         * checking for the snapd.info).
          */
 
         if (!dict_get_str_boolean (volinfo->dict, "features.uss", _gf_false)) {
diff --git a/xlators/mgmt/glusterd/src/glusterd-syncop.c b/xlators/mgmt/glusterd/src/glusterd-syncop.c
index 4be3d97..066c7f9 100644
--- a/xlators/mgmt/glusterd/src/glusterd-syncop.c
+++ b/xlators/mgmt/glusterd/src/glusterd-syncop.c
@@ -1863,7 +1863,7 @@ gd_sync_task_begin (dict_t *op_ctx, rpcsvc_request_t * req)
                 goto out;
         }
 
-        if (conf->op_version < GD_OP_VERSION_3_6_0)
+        if (conf->op_version < GD_OP_VERSION_RHS_3_0)
                 cluster_lock = _gf_true;
 
         /* Based on the op_version, acquire a cluster or mgmt_v3 lock */
diff --git a/xlators/mgmt/glusterd/src/glusterd-tier.c b/xlators/mgmt/glusterd/src/glusterd-tier.c
index 45f6ac3..28f02e75 100644
--- a/xlators/mgmt/glusterd/src/glusterd-tier.c
+++ b/xlators/mgmt/glusterd/src/glusterd-tier.c
@@ -921,7 +921,7 @@ glusterd_op_stage_tier (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
          * 'force'
          */
         ret = glusterd_check_client_op_version_support
-                (volname, GD_OP_VERSION_3_6_0, NULL);
+                (volname, GD_OP_VERSION_RHS_3_0, NULL);
         if (ret) {
                 ret = gf_asprintf (op_errstr, "Volume %s has one or "
                                    "more connected clients of a version"
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c
index e38f963..f34e218 100644
--- a/xlators/mgmt/glusterd/src/glusterd-utils.c
+++ b/xlators/mgmt/glusterd/src/glusterd-utils.c
@@ -11758,10 +11758,10 @@ gd_update_volume_op_versions (glusterd_volinfo_t *volinfo)
         }
 
         if (volinfo->type == GF_CLUSTER_TYPE_DISPERSE) {
-                if (volinfo->op_version < GD_OP_VERSION_3_6_0)
-                        volinfo->op_version = GD_OP_VERSION_3_6_0;
-                if (volinfo->client_op_version < GD_OP_VERSION_3_6_0)
-                        volinfo->client_op_version = GD_OP_VERSION_3_6_0;
+                if (volinfo->op_version < GD_OP_VERSION_3_7_0)
+                        volinfo->op_version = GD_OP_VERSION_3_7_0;
+                if (volinfo->client_op_version < GD_OP_VERSION_3_7_0)
+                        volinfo->client_op_version = GD_OP_VERSION_3_7_0;
         }
 
         return;
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
index 9d34073..834acab 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-ops.c
@@ -1325,7 +1325,7 @@ glusterd_op_stage_create_volume (dict_t *dict, char **op_errstr,
                         /* A bricks mount dir is required only by snapshots which were
                          * introduced in gluster-3.6.0
                          */
-                        if (priv->op_version >= GD_OP_VERSION_3_6_0) {
+                        if (priv->op_version >= GD_OP_VERSION_RHS_3_0) {
                                 ret = glusterd_get_brick_mount_dir
                                         (brick_info->path, brick_info->hostname,
                                          brick_info->mount_dir);
@@ -1611,7 +1611,7 @@ glusterd_op_stage_start_volume (dict_t *dict, char **op_errstr,
                 /* A bricks mount dir is required only by snapshots which were
                  * introduced in gluster-3.6.0
                  */
-                if (priv->op_version >= GD_OP_VERSION_3_6_0) {
+                if (priv->op_version >= GD_OP_VERSION_RHS_3_0) {
                         if (strlen(brickinfo->mount_dir) < 1) {
                                 ret = glusterd_get_brick_mount_dir
                                         (brickinfo->path, brickinfo->hostname,
@@ -2320,10 +2320,10 @@ glusterd_op_create_volume (dict_t *dict, char **op_errstr)
                                  "redundancy count for volume %s", volname);
                         goto out;
                 }
-                if (priv->op_version < GD_OP_VERSION_3_6_0) {
+                if (priv->op_version < GD_OP_VERSION_3_7_0) {
                         gf_msg (this->name, GF_LOG_ERROR, 0,
                                 GD_MSG_UNSUPPORTED_VERSION, "Disperse volume "
-                                "needs op-version 3.6.0 or higher");
+                                "needs op-version 30700 or higher");
                         ret = -1;
                         goto out;
                 }
@@ -2428,7 +2428,7 @@ glusterd_op_create_volume (dict_t *dict, char **op_errstr)
                 /* A bricks mount dir is required only by snapshots which were
                  * introduced in gluster-3.6.0
                  */
-                if (priv->op_version >= GD_OP_VERSION_3_6_0) {
+                if (priv->op_version >= GD_OP_VERSION_RHS_3_0) {
                         brick_mount_dir = NULL;
                         snprintf (key, sizeof(key), "brick%d.mount_dir", i);
                         ret = dict_get_str (dict, key, &brick_mount_dir);
@@ -2623,7 +2623,7 @@ glusterd_op_start_volume (dict_t *dict, char **op_errstr)
         /* A bricks mount dir is required only by snapshots which were
          * introduced in gluster-3.6.0
          */
-        if (conf->op_version >= GD_OP_VERSION_3_6_0) {
+        if (conf->op_version >= GD_OP_VERSION_RHS_3_0) {
                 cds_list_for_each_entry (brickinfo, &volinfo->bricks,
                                          brick_list) {
                         brick_count++;
diff --git a/xlators/mgmt/glusterd/src/glusterd-volume-set.c b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
index 14b9e21..982275e 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volume-set.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volume-set.c
@@ -1263,7 +1263,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = "cluster.subvols-per-directory",
           .voltype     = "cluster/distribute",
           .option      = "directory-layout-spread",
-          .op_version  = 2,
+          .op_version  = 1,
           .validate_fn = validate_subvols_per_directory,
           .flags       = OPT_FLAG_CLIENT_OPT
         },
@@ -1275,27 +1275,27 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key        = "cluster.rsync-hash-regex",
           .voltype    = "cluster/distribute",
           .type       = NO_DOC,
-          .op_version = 3,
+          .op_version = 2,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.extra-hash-regex",
           .voltype    = "cluster/distribute",
           .type       = NO_DOC,
-          .op_version = 3,
+          .op_version = 2,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.dht-xattr-name",
           .voltype    = "cluster/distribute",
           .option     = "xattr-name",
           .type       = NO_DOC,
-          .op_version = 3,
+          .op_version = 2,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.randomize-hash-range-by-gfid",
           .voltype    = "cluster/distribute",
           .option     = "randomize-hash-range-by-gfid",
           .type       = NO_DOC,
-          .op_version = GD_OP_VERSION_3_6_0,
+          .op_version = GD_OP_VERSION_3_7_0,
           .flags      = OPT_FLAG_CLIENT_OPT,
         },
         { .key         = "cluster.rebal-throttle",
@@ -1327,12 +1327,12 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype    = "cluster/nufa",
           .option     = "local-volume-name",
           .type       = NO_DOC,
-          .op_version = 3,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.weighted-rebalance",
           .voltype    = "cluster/distribute",
-          .op_version = GD_OP_VERSION_3_6_0,
+          .op_version = GD_OP_VERSION_3_7_0,
         },
 
         /* Switch xlator options (Distribute special case) */
@@ -1340,14 +1340,14 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype    = "cluster/distribute",
           .option     = "!switch",
           .type       = NO_DOC,
-          .op_version = 3,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.switch-pattern",
           .voltype    = "cluster/switch",
           .option     = "pattern.switch.case",
           .type       = NO_DOC,
-          .op_version = 3,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
 
@@ -1475,18 +1475,18 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         },
         { .key        = "cluster.readdir-failover",
           .voltype    = "cluster/replicate",
-          .op_version = 2,
+          .op_version = 1,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.ensure-durability",
           .voltype    = "cluster/replicate",
-          .op_version = 3,
+          .op_version = 2,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.consistent-metadata",
           .voltype    = "cluster/replicate",
           .type       = DOC,
-          .op_version = GD_OP_VERSION_3_7_0,
+          .op_version = GD_OP_VERSION_RHS_3_0_4,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "cluster.heal-wait-queue-length",
@@ -1562,45 +1562,45 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = "diagnostics.brick-logger",
           .voltype     = "debug/io-stats",
           .option      = "!logger",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key        = "diagnostics.client-logger",
           .voltype    = "debug/io-stats",
           .option     = "!logger",
-          .op_version = GD_OP_VERSION_3_6_0,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "diagnostics.brick-log-format",
           .voltype     = "debug/io-stats",
           .option      = "!log-format",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key        = "diagnostics.client-log-format",
           .voltype    = "debug/io-stats",
           .option     = "!log-format",
-          .op_version = GD_OP_VERSION_3_6_0,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "diagnostics.brick-log-buf-size",
           .voltype     = "debug/io-stats",
           .option      = "!log-buf-size",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key        = "diagnostics.client-log-buf-size",
           .voltype    = "debug/io-stats",
           .option     = "!log-buf-size",
-          .op_version = GD_OP_VERSION_3_6_0,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "diagnostics.brick-log-flush-timeout",
           .voltype     = "debug/io-stats",
           .option      = "!log-flush-timeout",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key        = "diagnostics.client-log-flush-timeout",
           .voltype    = "debug/io-stats",
           .option     = "!log-flush-timeout",
-          .op_version = GD_OP_VERSION_3_6_0,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "diagnostics.stats-dump-interval",
@@ -1688,6 +1688,10 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "performance/io-threads",
           .op_version  = 1
         },
+        { .key         = "performance.least-rate-limit",
+          .voltype     = "performance/io-threads",
+          .op_version  = 1
+        },
 
         /* Other perf xlators' options */
         { .key        = "performance.cache-size",
@@ -1705,7 +1709,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key        = "performance.nfs.flush-behind",
           .voltype    = "performance/write-behind",
           .option     = "flush-behind",
-          .op_version = 1,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.write-behind-window-size",
@@ -1731,43 +1735,43 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key        = "performance.nfs.write-behind-window-size",
           .voltype    = "performance/write-behind",
           .option     = "cache-size",
-          .op_version = 1,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.strict-o-direct",
           .voltype    = "performance/write-behind",
           .option     = "strict-O_DIRECT",
-          .op_version = 2,
+          .op_version = 1,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.nfs.strict-o-direct",
           .voltype    = "performance/write-behind",
           .option     = "strict-O_DIRECT",
-          .op_version = 2,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.strict-write-ordering",
           .voltype    = "performance/write-behind",
           .option     = "strict-write-ordering",
-          .op_version = 2,
+          .op_version = 1,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.nfs.strict-write-ordering",
           .voltype    = "performance/write-behind",
           .option     = "strict-write-ordering",
-          .op_version = 2,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.lazy-open",
           .voltype    = "performance/open-behind",
           .option     = "lazy-open",
-          .op_version = 3,
+          .op_version = 2,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.read-after-open",
           .voltype    = "performance/open-behind",
           .option     = "read-after-open",
-          .op_version = 3,
+          .op_version = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key        = "performance.read-ahead-page-count",
@@ -1815,29 +1819,29 @@ struct volopt_map_entry glusterd_volopt_map[] = {
 
          /* Crypt xlator options */
 
-        { .key         = "features.encryption",
-          .voltype     = "encryption/crypt",
-          .option      = "!feat",
-          .value       = "off",
-          .op_version  = 3,
-          .description = "enable/disable client-side encryption for "
+	{ .key         = "features.encryption",
+	  .voltype     = "encryption/crypt",
+	  .option      = "!feat",
+	  .value       = "off",
+	  .op_version  = GD_OP_VERSION_RHS_3_0,
+	  .description = "enable/disable client-side encryption for "
                          "the volume.",
           .flags       = OPT_FLAG_CLIENT_OPT | OPT_FLAG_XLATOR_OPT
         },
 
         { .key         = "encryption.master-key",
           .voltype     = "encryption/crypt",
-          .op_version  = 3,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "encryption.data-key-size",
           .voltype     = "encryption/crypt",
-          .op_version  = 3,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "encryption.block-size",
           .voltype     = "encryption/crypt",
-          .op_version  = 3,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
 
@@ -1881,7 +1885,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key        = "network.remote-dio",
           .voltype    = "protocol/client",
           .option     = "filter-O_DIRECT",
-          .op_version = 2,
+          .op_version = 1,
           .flags      = OPT_FLAG_CLIENT_OPT
         },
         { .key         = "client.own-thread",
@@ -1892,7 +1896,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         },
         { .key         = "client.event-threads",
           .voltype     = "protocol/client",
-          .op_version  = GD_OP_VERSION_3_7_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0_4,
         },
         { .key         = "client.tcp-user-timeout",
           .voltype     = "protocol/client",
@@ -1960,17 +1964,17 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = "server.root-squash",
           .voltype     = "protocol/server",
           .option      = "root-squash",
-          .op_version  = 2
+          .op_version  = 1
         },
         { .key         = "server.anonuid",
           .voltype     = "protocol/server",
           .option      = "anonuid",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key         = "server.anongid",
           .voltype     = "protocol/server",
           .option      = "anongid",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key         = "server.statedump-path",
           .voltype     = "protocol/server",
@@ -1981,7 +1985,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "protocol/server",
           .option      = "rpc.outstanding-rpc-limit",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "features.lock-heal",
           .voltype     = "protocol/server",
@@ -2007,11 +2011,11 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .option      = "!ssl-allow",
           .value       = "*",
           .type        = NO_DOC,
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_3_7_0,
         },
         { .key         = "server.manage-gids",
           .voltype     = "protocol/server",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "server.dynamic-auth",
           .voltype     = "protocol/server",
@@ -2020,11 +2024,11 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = "client.send-gids",
           .voltype     = "protocol/client",
           .type        = NO_DOC,
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "server.gid-timeout",
           .voltype     = "protocol/server",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "server.own-thread",
           .voltype     = "protocol/server",
@@ -2034,7 +2038,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         },
         { .key         = "server.event-threads",
           .voltype     = "protocol/server",
-          .op_version  = GD_OP_VERSION_3_7_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0_4,
         },
         { .key         = "server.tcp-user-timeout",
           .voltype     = "protocol/server",
@@ -2095,12 +2099,12 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = SSL_CERT_DEPTH_OPT,
           .voltype     = "rpc-transport/socket",
           .option      = "!ssl-cert-depth",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_3_7_0,
         },
         { .key         = SSL_CIPHER_LIST_OPT,
           .voltype     = "rpc-transport/socket",
           .option      = "!ssl-cipher-list",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_3_7_0,
         },
         { .key        = SSL_DH_PARAM_OPT,
           .voltype     = "rpc-transport/socket",
@@ -2140,8 +2144,8 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = "performance.readdir-ahead",
           .voltype     = "performance/readdir-ahead",
           .option      = "!perf",
-          .value       = "on",
-          .op_version  = 3,
+          .value       = "off",
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .description = "enable/disable readdir-ahead translator in the volume.",
           .flags       = OPT_FLAG_CLIENT_OPT | OPT_FLAG_XLATOR_OPT
         },
@@ -2263,7 +2267,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         /* Feature translators */
         { .key         = "features.uss",
           .voltype     = "features/snapview-server",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .value       = "off",
           .flags       = OPT_FLAG_CLIENT_OPT | OPT_FLAG_XLATOR_OPT,
           .validate_fn = validate_uss,
@@ -2273,7 +2277,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
 
         { .key         = "features.snapshot-directory",
           .voltype     = "features/snapview-client",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .value       = ".snaps",
           .flags       = OPT_FLAG_CLIENT_OPT | OPT_FLAG_XLATOR_OPT,
           .validate_fn = validate_uss_dir,
@@ -2284,7 +2288,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
 
         { .key         = "features.show-snapshot-directory",
           .voltype     = "features/snapview-client",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .value       = "off",
           .flags       = OPT_FLAG_CLIENT_OPT | OPT_FLAG_XLATOR_OPT,
           .description = "show entry point in readdir output of "
@@ -2299,35 +2303,35 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "features/cdc",
           .option      = "!feat",
           .value       = "off",
-          .op_version  = 3,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
           .description = "enable/disable network compression translator",
           .flags       = OPT_FLAG_XLATOR_OPT
         },
         { .key         = "network.compression.window-size",
           .voltype     = "features/cdc",
           .option      = "window-size",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key         = "network.compression.mem-level",
           .voltype     = "features/cdc",
           .option      = "mem-level",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key         = "network.compression.min-size",
           .voltype     = "features/cdc",
           .option      = "min-size",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key         = "network.compression.compression-level",
           .voltype     = "features/cdc",
           .option      = "compression-level",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key         = "network.compression.debug",
           .voltype     = "features/cdc",
           .option      = "debug",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
 #endif
 
@@ -2342,25 +2346,25 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype       = "features/quota",
           .option        = "default-soft-limit",
           .type          = NO_DOC,
-          .op_version    = 3,
+          .op_version    = 2,
         },
         { .key           = "features.soft-timeout",
           .voltype       = "features/quota",
           .option        = "soft-timeout",
           .type          = NO_DOC,
-          .op_version    = 3,
+          .op_version    = 2,
         },
         { .key           = "features.hard-timeout",
           .voltype       = "features/quota",
           .option        = "hard-timeout",
           .type          = NO_DOC,
-          .op_version    = 3,
+          .op_version    = 2,
         },
         { .key           = "features.alert-time",
           .voltype       = "features/quota",
           .option        = "alert-time",
           .type          = NO_DOC,
-          .op_version    = 3,
+          .op_version    = 2,
         },
         { .key           = "features.quota-deem-statfs",
           .voltype       = "features/quota",
@@ -2474,25 +2478,25 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "debug/error-gen",
           .option      = "failure",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "debug.error-number",
           .voltype     = "debug/error-gen",
           .option      = "error-no",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "debug.random-failure",
           .voltype     = "debug/error-gen",
           .option      = "random-failure",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "debug.error-fops",
           .voltype     = "debug/error-gen",
           .option      = "enable",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
 
 
@@ -2543,7 +2547,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "nfs/server",
           .option      = "rpc.outstanding-rpc-limit",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "nfs.port",
           .voltype     = "nfs/server",
@@ -2619,7 +2623,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "nfs/server",
           .option      = "nfs.acl",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "nfs.mount-udp",
           .voltype     = "nfs/server",
@@ -2637,13 +2641,13 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "nfs/server",
           .option      = "nfs.rpc-statd",
           .type        = NO_DOC,
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "nfs.log-level",
           .voltype     = "nfs/server",
           .option      = "nfs.log-level",
           .type        = NO_DOC,
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "nfs.server-aux-gids",
           .voltype     = "nfs/server",
@@ -2655,31 +2659,31 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "nfs/server",
           .option      = "nfs.drc",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 1
         },
         { .key         = "nfs.drc-size",
           .voltype     = "nfs/server",
           .option      = "nfs.drc-size",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 1
         },
         { .key         = "nfs.read-size",
           .voltype     = "nfs/server",
           .option      = "nfs3.read-size",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "nfs.write-size",
           .voltype     = "nfs/server",
           .option      = "nfs3.write-size",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "nfs.readdir-size",
           .voltype     = "nfs/server",
           .option      = "nfs3.readdir-size",
           .type        = GLOBAL_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "nfs.rdirplus",
           .voltype     = "nfs/server",
@@ -2714,7 +2718,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key        = "features.read-only",
           .voltype    = "features/read-only",
           .option     = "read-only",
-          .op_version = 1,
+          .op_version = 2,
           .flags      = OPT_FLAG_CLIENT_OPT | OPT_FLAG_XLATOR_OPT
         },
         { .key         = "features.worm",
@@ -2757,15 +2761,15 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         },
         { .key         = "storage.batch-fsync-mode",
           .voltype     = "storage/posix",
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "storage.batch-fsync-delay-usec",
           .voltype     = "storage/posix",
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "storage.xattr-user-namespace-mode",
           .voltype     = "storage/posix",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "storage.owner-uid",
           .voltype     = "storage/posix",
@@ -2779,16 +2783,16 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         },
         { .key         = "storage.node-uuid-pathinfo",
           .voltype     = "storage/posix",
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "storage.health-check-interval",
           .voltype     = "storage/posix",
-          .op_version  = 3
+          .op_version  = 2
         },
         { .option      = "update-link-count-parent",
           .key         = "storage.build-pgfid",
           .voltype     = "storage/posix",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .option      = "gfid2path",
           .key         = "storage.gfid2path",
@@ -2803,7 +2807,7 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         },
         { .key         = "storage.bd-aio",
           .voltype     = "storage/bd",
-          .op_version  = 3
+          .op_version  = GD_OP_VERSION_RHS_3_0
         },
         { .key        = "config.memory-accounting",
           .voltype    = "mgmt/glusterd",
@@ -2819,43 +2823,43 @@ struct volopt_map_entry glusterd_volopt_map[] = {
         { .key         = GLUSTERD_QUORUM_TYPE_KEY,
           .voltype     = "mgmt/glusterd",
           .value       = "off",
-          .op_version  = 2
+          .op_version  = 1
         },
         { .key         = GLUSTERD_QUORUM_RATIO_KEY,
           .voltype     = "mgmt/glusterd",
           .value       = "0",
-          .op_version  = 2
+          .op_version  = 1
         },
         /* changelog translator - global tunables */
         { .key         = "changelog.changelog",
           .voltype     = "features/changelog",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "changelog.changelog-dir",
           .voltype     = "features/changelog",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "changelog.encoding",
           .voltype     = "features/changelog",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "changelog.rollover-time",
           .voltype     = "features/changelog",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "changelog.fsync-interval",
           .voltype     = "features/changelog",
           .type        = NO_DOC,
-          .op_version  = 3
+          .op_version  = 2
         },
         { .key         = "changelog.changelog-barrier-timeout",
           .voltype     = "features/changelog",
           .value       = BARRIER_TIMEOUT,
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "changelog.capture-del-path",
           .voltype     = "features/changelog",
@@ -2866,16 +2870,16 @@ struct volopt_map_entry glusterd_volopt_map[] = {
           .voltype     = "features/barrier",
           .value       = "disable",
           .type        = NO_DOC,
-          .op_version  = GD_OP_VERSION_3_7_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = "features.barrier-timeout",
           .voltype     = "features/barrier",
           .value       = BARRIER_TIMEOUT,
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         { .key         = GLUSTERD_GLOBAL_OP_VERSION_KEY,
           .voltype     = "mgmt/glusterd",
-          .op_version  = GD_OP_VERSION_3_6_0,
+          .op_version  = GD_OP_VERSION_RHS_3_0,
         },
         {
           .key         = GLUSTERD_MAX_OP_VERSION_KEY,
-- 
1.8.3.1