Logan B created CLOUDSTACK-6938:
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Summary: Cannot create template from snapshot when using S3 storage
Key: CLOUDSTACK-6938
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6938
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Snapshot
Affects Versions: 4.4.0
Environment: KVM + S3 Secondary Storage
Reporter: Logan B
Priority: Blocker
When trying to create a template from a snapshot with S3 secondary storage, the
command immediately fails with a NullPointerException.
This appears to only happen when there is a pre-existing snapshot folder in the
NFS staging store. This indicates that there is something wrong with the copy
command (e.g., it's using 'mkdir' instead of 'mkdir -p').
The issue can be worked around by deleting the existing snapshot folder on the
staging store every time you want to create a new template. This is obviously
not viable for end users.
This issue should be fixed before 4.4 ships because it should be a stupid
simple thing to correct, but completely breaks restoring snapshots for end
users. Waiting for 4.5 would be far too long for an issue like this.
2014-06-18 21:13:54,789 DEBUG [cloud.agent.Agent] (agentRequest-Handler-2:null)
Processing command: org.apache.cloudstack.storage.command.CopyCommand
2014-06-18 21:13:54,789 INFO [storage.resource.NfsSecondaryStorageResource]
(agentRequest-Handler-2:null) Determined host 172.16.48.99 corresponds to IP
172.16.48.99
2014-06-18 21:13:54,797 ERROR [storage.resource.NfsSecondaryStorageResource]
(agentRequest-Handler-2:null) Unable to create directory
/mnt/SecStorage/6b9bdec9-fdc9-3fdd-a5f8-0481df177ae8/snapshots/2/25 to copy
from S3 to cache.
I'm guessing it's an issue with the mkdirs() function in the code, but I've
been unable to find it.
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