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From "Devdeep Singh (JIRA)" <>
Subject [jira] [Commented] (CLOUDSTACK-647) Snapshot failing on XenServer 6.1
Date Wed, 06 Feb 2013 05:15:12 GMT


Devdeep Singh commented on CLOUDSTACK-647:

The issue is that while backing up a snapshot when cloudstack tries to update the parent (of
the backed up vhd), vhd-util isn't present at the desired location and setParent function
in vmopsSnapshot fails. This issue is observed only on Xenserver 6.1. The reason for this
is, when CloudStack connects to a Xenserver and executes the SetupCommand, it copies vhd-util
tool to /opt/xensource/bin directory on the host. However, in vmopsSnapshot python file 'VHD_UTIL'
is initialized to /usr/sbin/. The issue is not observed on 6.0.2 (and I guess previous versions)
because vhd-util is present in /usr/sbin/ directory by default (after a clean install). Whereas,
in Xenserver 6.1, vhd-util is present in '/usr/bin'. Fixed the issue by updating VHD_UTIL
to point to /opt/xensource/bin/vhd-util in vmopsSnapshot file.
> Snapshot failing on XenServer 6.1
> ---------------------------------
>                 Key: CLOUDSTACK-647
>                 URL:
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>            Reporter: Devdeep Singh
>            Assignee: Devdeep Singh
> On XenServer 6.1 launch an instance and take a snapshot of a any volume. It'll go through
successfully. Try taking another snapshot of the same volume, it'll fail.

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