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Posted to dev@vcl.apache.org by "Josh Thompson (JIRA)" <ji...@apache.org> on 2018/01/31 18:36:00 UTC

[jira] [Created] (VCL-1084) set cache mode for libvirt VMs

Josh Thompson created VCL-1084:
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             Summary: set cache mode for libvirt VMs
                 Key: VCL-1084
                 URL: https://issues.apache.org/jira/browse/VCL-1084
             Project: VCL
          Issue Type: Improvement
          Components: vcld (backend)
            Reporter: Josh Thompson


The recommend cache mode for VMs depends on the storage type being used. If the qcow2 file is on an NFS mount, the cache mode should be none. If it is on a local filesystem, it should be writethrough or writeback. Additionally, when trying to perform a live migration with a shared NFS mount, it fails if the cache mode is not none because data corruption could result.



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