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From syed <...@git.apache.org>
Subject [GitHub] cloudstack issue #1600: Support Backup of Snapshots for Managed Storage
Date Mon, 04 Jul 2016 15:27:37 GMT
Github user syed commented on the issue:

    https://github.com/apache/cloudstack/pull/1600
  
    A bit of background on how this feature works. When locationType is specified as `Archve`,
a snaphsot is taken at the storage, but the copy to seconday storage is done via the hypervisor
as it is able to correctly attach the LUN and extract the underlying virtual disk. This was
done as an alternative to taking the snapshot on the hypervisor and upload it to secondary
storage directly becuse, we've seen cases where hypervisor snapshots cause a significant delay
in read/write performance and snapshot on storage device allows us to take snaspots without
sacrificing performance.


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