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From "Khosrow Moossavi (JIRA)" <>
Subject [jira] [Created] (CLOUDSTACK-10222) Snaphosts remain on primary storage
Date Tue, 09 Jan 2018 17:09:00 GMT
Khosrow Moossavi created CLOUDSTACK-10222:

             Summary: Snaphosts remain on primary storage
                 Key: CLOUDSTACK-10222
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Secondary Storage, Snapshot, XenServer
    Affects Versions:
         Environment: XenServer, Swift
            Reporter: Khosrow Moossavi
             Fix For:

When user creates a snapshot (manual or recurring), snapshot remains on the primary storage,
even if the snapshot is transferred successfully to secondary storage. This is causing issues
because XenServer can only hold a limited number of snapshots in its VDI chain, preventing
the user from creating new snapshots after some time, when too many old snapshots are present
on the primary storage. 
reason: SR_BACKEND_FAILURE_109 The snapshot chain is too long

Proposed solution:
Keep only one snapshot (last successful) on the primary storage regardless that it was a full
or partial snapshot.

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