diff --git a/README.md b/README.md
index 165a1bb..0240414 100644
--- a/README.md
+++ b/README.md
@@ -13,14 +13,36 @@ can be found in the following places:
 
 * [Comunity Build System](https://wiki.centos.org/HowTos/CommunityBuildSystem)
 * [Storage SIG landing page](https://wiki.centos.org/SpecialInterestGroup/Storage/Gluster)
+* [SIGGuide](https://wiki.centos.org/SIGGuide#SIGGuide.2FContent.2FImport.Pushing_first_to_lookaside_cache)
 
-
-Create a src.rpm with:
+E.g. build a src.rpm with:
     $ rpmbuild -bs \
                --define "_sourcedir $PWD/SOURCES" --define "_srcrpmdir $PWD" \
                --define "dist .el8" SPECS/ceph.spec
 
+Get the lookaside uploader script from ssh://git@git.centos.org/centos-git-common.git
+
 To build:
 
+1. Upload the source tar file to the lookaside cache, e.g.:
+    $ lookaside_upload -f SOURCES/ceph-16.2.4.tar.gz -n ceph -b c8-sig-storage-ceph-pacific
+
+2. update the .glusterfs.metadata with the hash from step 1:
+    $ cat .ceph.metadata
+e9c6a6a482b8e46117c2a6c37b50c569bd62d92e  SOURCES/ceph-16.4.tar.gz
+
+3. commit and push SPECS/ceph.spec and .ceph.metadata, e.g.:
+    $ git add SPECS/ceph.spec .ceph.metadata
+    $ git push origin c8-sig-storage-ceph-pacific
+
+4. retrieve the commit for step 3:
+    $ git log|head -n 1
+commit 29f19456be12986e86392652331e3a56ff0a88a0
+
+5. build
+    $ cbs build storage8-ceph-pacific-el8 git+https://git.centos.org/rpms/ceph.git#29f19456be12986e86392652331e3a56ff0a88a0
+
+
+
     $ cbs build [--scratch] storage8-ceph-pacific-el8 ceph-16.2.4-1.el8.src.rpm
 
diff --git a/SPECS/ceph.spec b/SPECS/ceph.spec
index 32a44e6..77dcf03 100644
--- a/SPECS/ceph.spec
+++ b/SPECS/ceph.spec
@@ -127,7 +127,7 @@
 #################################################################################
 Name:		ceph
 Version:	16.2.4
-Release:	1%{?dist}
+Release:	2%{?dist}
 %if 0%{?fedora} || 0%{?rhel}
 Epoch:		2
 %endif
@@ -2517,6 +2517,9 @@ exit 0
 %config %{_sysconfdir}/prometheus/ceph/ceph_default_alerts.yml
 
 %changelog
+* Thu Jul 1 2021 Kaleb S. KEITHLEY <kkeithle[at]redhat.com> - 2:16.2.4-2
+- 16.2.4 build from lookaside
+
 * Thu May 13 2021 Kaleb S. KEITHLEY <kkeithle[at]redhat.com> - 2:16.2.4-1
 - 16.2.4 GA