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From Andrija Panic <>
Subject ACS 4.5 - volume snapshots NOT removed from CEPH (only from Secondaryt NFS and DB)
Date Wed, 09 Sep 2015 20:03:43 GMT
Hi folks,

we enounter issue in ACS 4.5.1 (perhaps other versions also affected) -
when we delete some snapshot (volume snapshot) in ACS, ACS marks it as
deleted in DB, deletes from NFS Secondary Storage but fails to delete
snapshot on CEPH primary storage (doesn even try to delete it AFAIK)

So we end up having 5 live snapshots in DB (just example) but actually in
CEPH there are more than i.e. 16 snapshots.

More of the issue, when ACS agent tries to obtain list of snapshots from
CEPH for some volume or so - if number of snapshots is over 16, it raises
exception  (and perhaps this is the reason Agent crashed for us - need to
check with my colegues who are investigatin this in details). This number
16 is for whatever reasons hardcoded in ACS code.

Wondering if anyone experienced this, or have any info - we plan to try to
fix this, and I will inlcude my dev colegues here, but we might need some
help at least for guidance or-

Any help is really apreaciated or at list confirmation that this is known
issue etc.



Andrija Panić

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