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From 0c5b8096cb23701f8048dba33a38e1b55249cab3 Mon Sep 17 00:00:00 2001
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From: Michal Sekletar <msekleta@redhat.com>
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Date: Wed, 28 Mar 2018 17:22:30 +0200
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Subject: [PATCH] rules: introduce old-style by-path symlinks for FCP based
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SCSI devices
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Related: #1523227
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---
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rules/40-redhat.rules | 20 ++++++++++++++++++++
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1 file changed, 20 insertions(+)
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diff --git a/rules/40-redhat.rules b/rules/40-redhat.rules
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index c3df320234..8ac96933c3 100644
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--- a/rules/40-redhat.rules
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+++ b/rules/40-redhat.rules
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@@ -15,3 +15,23 @@ SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_target", TEST!="[module/sg]", RUN+="/sbin
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# Rule for prandom character device node permissions
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KERNEL=="prandom", MODE="0644"
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+
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+# Rules for creating the ID_PATH for SCSI devices based on the CCW bus
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+# using the form: ccw-<BUS_ID>-zfcp-<WWPN>:<LUN>
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+#
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+ACTION=="remove", GOTO="zfcp_scsi_device_end"
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+
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+#
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+# Set environment variable "ID_ZFCP_BUS" to "1" if the devices
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+# (both disk and partition) are SCSI devices based on FCP devices
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+#
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+KERNEL=="sd*", SUBSYSTEMS=="ccw", DRIVERS=="zfcp", ENV{.ID_ZFCP_BUS}="1"
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+
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+# For SCSI disks
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+KERNEL=="sd*[!0-9]", SUBSYSTEMS=="scsi", ENV{.ID_ZFCP_BUS}=="1", ENV{DEVTYPE}=="disk", SYMLINK+="disk/by-path/ccw-$attr{hba_id}-zfcp-$attr{wwpn}:$attr{fcp_lun}"
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+
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+
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+# For partitions on a SCSI disk
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+KERNEL=="sd*[0-9]", SUBSYSTEMS=="scsi", ENV{.ID_ZFCP_BUS}=="1", ENV{DEVTYPE}=="partition", SYMLINK+="disk/by-path/ccw-$attr{hba_id}-zfcp-$attr{wwpn}:$attr{fcp_lun}-part%n"
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+
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+LABEL="zfcp_scsi_device_end"
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