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PendingReleaseNotes: more notes about the 'ceph' user 

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2015-08-12 16:54:55 -04:00
parent b89d752181
commit 7cd07490f2
1 changed files with 16 additions and 7 deletions
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23
PendingReleaseNotes
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@ -7,18 +7,27 @@ v9.0.4
Upgrading
---------
* Ceph daemons now run as user and group ceph by default. During upgrade,
administrators have two options:
* Ceph daemons now run as user and group ceph by default. The ceph user has a
static UID assigned by Fedora and Debian (also used by derivative distributions
like RHEL/CentOS and Ubuntu). On SUSE the ceph user will currently get a
dynamically assigned UID when the user is created.
If your systems already have a ceph user, upgrading the package will cause
problems. We suggest you first remove or rename the existing 'ceph' user
before upgrading.
When upgrading, administrators have two options:
#. Add the following line to ``ceph.conf`` on all hosts::
setuser match path = /var/lib/ceph/$type/$cluster-$id
This will make the daemon remain root (i.e., not drop privileges and
switch to user ceph) if the daemon's data directory is still owned by
root. Newly deployed daemons will be created with data owned by user
ceph and will run with reduced privileges, but upgraded daemons will
continue to run as root.
This will make the Ceph daemons run as root (i.e., not drop
privileges and switch to user ceph) if the daemon's data
directory is still owned by root. Newly deployed daemons will
be created with data owned by user ceph and will run with
reduced privileges, but upgraded daemons will continue to run as
root.
#. Fix the data ownership during the upgrade. This is the preferred option,
but is more work. The process for each host would be to: