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Posted to commits@cloudstack.apache.org by "rohityadavcloud (via GitHub)" <gi...@apache.org> on 2023/10/11 15:29:08 UTC
[I] Creating Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
rohityadavcloud opened a new issue, #8078:
URL: https://github.com/apache/cloudstack/issues/8078
Creating Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage:
1. Enable global setting to have vmsnapshot use storage, also enable snapshot feature for KVM
2. Create/take VM snapshot of a VM with root and data disk attached and qemu-guest-agent installed
3. Now go to the VM snapshot, and create (volume) snapshot from the VM Snapshot which may fail
This issue needs reproduction and may be closed if it's found to work. In my test env, I had a local storage enabled adv KVM zone that used Ubuntu 22.04 LTS/KVM hosts.
##### ISSUE TYPE
* Improvement Request
##### COMPONENT NAME
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Categorize the issue, e.g. API, VR, VPN, UI, etc.
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~~~
KVM, VM Snapshots
~~~
##### CLOUDSTACK VERSION
<!--
New line separated list of affected versions, commit ID for issues on main branch.
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~~~
4.18
~~~
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud commented on issue #8078:
URL: https://github.com/apache/cloudstack/issues/8078#issuecomment-1759479895
cc @GutoVeronezi @slavkap if you know of a easy/quick fix to assist on this issue. Thanks.
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud commented on issue #8078:
URL: https://github.com/apache/cloudstack/issues/8078#issuecomment-1759461286
In my env this is consistently failing:
```
Failed to create snapshot due to an internal error creating snapshot from vm snapshot8
```
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "slavkap (via GitHub)" <gi...@apache.org>.
slavkap commented on issue #8078:
URL: https://github.com/apache/cloudstack/issues/8078#issuecomment-1768502936
Hey @rohityadavcloud, probably this is not the perfect fix. The snapshot will be created only on secondary storage. The VM snapshots without memory are volume snapshots. That's why there is no need to copy the data twice on primary storage.
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud commented on issue #8078:
URL: https://github.com/apache/cloudstack/issues/8078#issuecomment-1770714215
Thanks @slavkap I agree, they may be copied to secondary storage directly. Creating volume snapshot from disk-only VM snapshot may still be useful to create backups or create templates from such volume-snapshots.
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "shwstppr (via GitHub)" <gi...@apache.org>.
shwstppr commented on issue #8078:
URL: https://github.com/apache/cloudstack/issues/8078#issuecomment-1786962870
@rohityadavcloud @slavkap do we need anything more here or can it be closed?
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud closed issue #8078: Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage
URL: https://github.com/apache/cloudstack/issues/8078
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Re: [I] Creating Volume Snapshot from VM Snapshot can fail on KVM with Local/NFS Storage [cloudstack]
Posted by "rohityadavcloud (via GitHub)" <gi...@apache.org>.
rohityadavcloud commented on issue #8078:
URL: https://github.com/apache/cloudstack/issues/8078#issuecomment-1759465681
cc @shwstppr - I'm not sure if this is a severe issue though, may be done even in 4.19.1
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