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doc: more details for pool deletion 

Prior to this change, the documention instructed administrators to
delete rulesets and users, but did not go into details regarding how to
do that.

Add example commands that admins may use to search for rulesets and
users that might reference the to-be-deleted pool.

Signed-off-by: Ken Dreyer <kdreyer@redhat.com>
This commit is contained in:
Ken Dreyer 2016-07-07 16:42:42 -06:00
parent 37dbe98a31
commit 3c43185002
1 changed files with 16 additions and 3 deletions
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19
doc/rados/operations/pools.rst
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@ -179,9 +179,22 @@ To delete a pool, execute::
If you created your own rulesets and rules for a pool you created, you should
consider removing them when you no longer need your pool. If you created users
with permissions strictly for a pool that no longer exists, you should consider
deleting those users too.
consider removing them when you no longer need your pool::
ceph osd pool get {pool-name} crush_ruleset
If the ruleset was "123", for example, you can check the other pools like so::
ceph osd dump | grep "^pool" | grep "crush_ruleset 123"
If no other pools use that custom ruleset, then it's safe to delete that
ruleset from the cluster.
If you created users with permissions strictly for a pool that no longer
exists, you should consider deleting those users too::
ceph auth list | grep -C 5 {pool-name}
ceph auth del {user}
Rename a Pool