Sanjay Tripathi created CLOUDSTACK-7868:
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Summary: Failed storage.PrimaryStorageDownloadCommand leaves
corrupt VDIs in primary storage
Key: CLOUDSTACK-7868
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-7868
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Environment: XS 6.0.2
Reporter: Sanjay Tripathi
Assignee: Sanjay Tripathi
Priority: Critical
Fix For: 4.5.0
The following situation happened:
1. Deploying VM from a template.
2. As part of the deploy CS would do a storage.PrimaryStorageDownloadCommand to
get the vhd/template to primary storage.
3. If there is some type of MTU problem in the network, as a result the copying
of the VHD will fail. VHD files in primary storage would end up with
corrupt/missing header.
4. Since the copy command fails, CS tried to delete the vdi using VDI.destroy
command
5. VDI.destroy fails because VDI file has missing/corrupt header
6. CS fails on downloading template and moves to another primary storage or
cluster.
This process repeated until all XS clusters in the zone had a corrupt VDI in
the storage. This causes future deploys (because they require sr-scan) to fail
because the primary storages contain corrupt VDIs.
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