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Bug 1221043

Summary: new static uid/gid for ceph
Product: Red Hat Enterprise Linux 7 Reporter: Ondrej Vasik <ovasik>
Component: setupAssignee: Ondrej Vasik <ovasik>
Status: CLOSED ERRATA QA Contact: qe-baseos-daemons
Severity: medium Docs Contact:
Priority: unspecified    
Version: 7.2CC: branto, emajorsi, extras-qa, jscotka, kdreyer, mbroz, ovasik, pknirsch
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: setup-2.8.71-6.el7 Doc Type: Bug Fix
Doc Text:
With this update, the static uidgid pair 167:167 has been reserved for user ceph. The Ceph file system is a distributed object storage file system that can have nodes on several machines. For consistency purposes, it requires the same user ID on all machines in the cluster. The ceph packages can now use this static ID pair and have a consistent static ID across all systems in the cluster.
 Story Points: ---
Clone Of: 1220846 Environment:
Last Closed: 2015-08-12 07:48:28 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1220846    
Bug Blocks: 1217817, 1221042    

Description Ondrej Vasik 2015-05-13 08:13:36 UTC 
+++ This bug was initially created as a clone of Bug #1220846 +++

Please assign a static UID/GID for ceph (this was approved by the FPC at https://fedorahosted.org/fpc/ticket/524). The user and group names can simply be "ceph".

It would be ideal if we could have the same numeric UID on RHEL 5/6/7 as on Fedora.

--- Additional comment from Ondrej Vasik on 2015-05-12 11:44:10 EDT ---

Thanks for the ticket and bz.
RHEL 5 is not possible, I can't make static reservation above 100 there and there are no free slots under 100. Should be safe to use static ID from RHEL6/7 there, though.

Any prefered homedir? (can be just / or /var/ceph ...)
What package will "own" that user creation?
I'll set /sbin/nologin as user shell, if there are no objections.

Once the information is provided, I'll assign some id to ceph in next Rawhide setup build.

--- Additional comment from Ken Dreyer (Red Hat) on 2015-05-12 12:15:03 EDT ---

Thanks Ondřej, it's fine to skip RHEL 5. RHEL 6 and 7 will be great.

Preferred homedir: /var/lib/ceph
Package that will "own" the UID: "ceph"
No objections to /sbin/nologin.

--- Additional comment from Ken Dreyer (Red Hat) on 2015-05-12 17:35:09 EDT ---

(In reply to Ken Dreyer (Red Hat) from comment #2)
> Package that will "own" the UID: "ceph"

Sage pointed out to me that the actual binary RPM is "ceph-common" (which comes from the "ceph" SRPM). Not sure what you want to put into https://git.fedorahosted.org/cgit/setup.git/tree/uidgid for that.

--- Additional comment from Ondrej Vasik on 2015-05-13 03:56:24 EDT ---

ceph	167	167	/var/lib/ceph		/sbin/nologin	ceph-common

Entry added to https://git.fedorahosted.org/cgit/setup.git/tree/uidgid and built in Rawhide. 
I'm going to clone this into RHEL 6/7 - but feel free to start with using it there even if the bz is not yet resolved (it is just documentation and I expect to get this fixed in next minor RHEL update through fastrack). Built as setup-2.9.8-1.fc23 - closing Rawhide.
Comment 6 errata-xmlrpc 2015-08-12 07:48:28 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHEA-2015-1599.html