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https://github.com/ceph/ceph
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39 lines
1.2 KiB
Plaintext
39 lines
1.2 KiB
Plaintext
v9.1.0
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======
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v9.0.4
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======
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Upgrading
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---------
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* Ceph daemons now run as user and group ceph by default. During upgrade,
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administrators have two options:
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#. Add the following line to ``ceph.conf`` on all hosts::
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setuser match path = /var/lib/ceph/$type/$cluster-$id
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This will make the daemon remain root (i.e., not drop privileges and
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switch to user ceph) if the daemon's data directory is still owned by
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root. Newly deployed daemons will be created with data owned by user
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ceph and will run with reduced privileges, but upgraded daemons will
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continue to run as root.
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#. Fix the data ownership during the upgrade. This is the preferred option,
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but is more work. The process for each host would be to:
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#. Upgrade the ceph package. This creates the ceph user and group.
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#. Stop the daemon(s)
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#. Fix the ownership. E.g.,::
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chown -R ceph:ceph /var/lib/ceph/mon/ceph-foo
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ceph-disk chown /dev/sdb1
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#. Restart the daemon(s)
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* The on-disk format for the experimental KeyValueStore OSD backend has
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changed. You will need to remove any OSDs using that backend before you
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upgrade any test clusters that use it.
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