2014-03-14 13:14:45 :: Unable to create snapshot (EMC VSS Hardware Provider) (mode: Veeam application-aware processing). Details: Unknown status of async operation
Another shadow copy creation is already in progress. Wait a few moments and try again.
--tr:Failed to create VSS snapshot.
--tr:Failed to perform pre-backup tasks.
Mrdoff wrote:If we change our design and go for offhost-proxy, can we connect a offhost proxy running 2012 R2 to both the 2012 cluster and the 2012R2 cluster?
rskinner wrote:The registry key has fixed the problem whereby more than one snapshot was created at a time. However, I now get errors from the EqualLogic SAN because the Veeam off host proxy tries to connect to the snapshot before the Hyper-V host has closed its connection to the snapshot. This results in the error:
"iSCSI login to target '...' from initiator '...' failed for the following reason: Initiator cannot access this target because an iSCSI session from another initiator already exists and multihost access is not enabled for this target."
This doesn't happen for every VM backup within the jobs, it only happened for one VM out of 13, but I never got this error when chaining the jobs one after the other.
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