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From France <>
Subject Error: The snapshot chain is too long
Date Wed, 05 Feb 2014 12:54:27 GMT

i'm using CS 4.1.1 on XS6.0.2 + Hotfixes up to XS602E026.
Recently one of our volumes will not get new snapshots created, because 
of this error:

WARN  [xen.resource.CitrixResourceBase] (DirectAgent-278:) 
ManageSnapshotCommand operation: create Failed for snapshotId: 478, 
reason: SR_BACKEND_FAILURE_109The snapshot chain is too long
SR_BACKEND_FAILURE_109The snapshot chain is too long

If I check in XenCenter, there are around 30 disks like 
If i check cloudstack GUI there are only 8 snapshots visible.
There are also two errors listed, which i would like to remove.

How can i reduce the snapshot chain?
Why didn't the old snapshots in the chain get removed?
Who's job it is to remove those, Cloudstacks or XenServers?
How can I display the snapshot chain for ROOT-NUM?

Any answers will be appreciated.
Thank you for your help.

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