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https://issues.apache.org/jira/browse/CLOUDSTACK-1531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13594507#comment-13594507
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Hongtu Zang commented on CLOUDSTACK-1531:
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It happens in vmware only.
we use the same code to handle both snapshot and template.
The diffrent is in secondary storage, template has only 1 ova and ovf files,
while snapshot has all ova in a same directory named by volume id.
so, we will fetch the same ovf if we created a volume from a snapshot before,
no matter how match snapshot created.
A solution is making a directory for each snapshot.
I fixed it in https://reviews.apache.org/r/9772/
> vmware create volume from snapshot will missing data
> ----------------------------------------------------
>
> Key: CLOUDSTACK-1531
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1531
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Snapshot, VMware
> Affects Versions: 4.1.0
> Environment: esx5.0, management server in centos6.3, centos vm
> Reporter: Hongtu Zang
> Fix For: 4.1.0
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Reproduce:
> 1. deploy a centos vm
> 2. create a volume v0 and attached to the vm
> 3. before formatting v0, take a snapshot s1, then format it and touch some
> files
> 4. take another snapshot s2, and detach v0
> 5. create volume v1 from s1 and then create volume v2 from s2
> 6. attach v1 and v2 to the vm respectively, we will find v1 and v2 are the
> same volume, no partition in it.
> if we create v2 first, we will find v1 and v2 has the same file we touched
> before.
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