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https://issues.apache.org/jira/browse/CLOUDSTACK-1302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13828983#comment-13828983
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ASF subversion and git services commented on CLOUDSTACK-1302:
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Commit dc037b8d2fdeffc8d26dea57a4e13bcdca3885ca in branch refs/heads/master
from [~widodh]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=dc037b8 ]
Revert "CLOUDSTACK-1302: Add cache mode to SQL upgrade file"
This reverts commit 7f1168cec74c704257f2d6040cd352b240d5d299.
> Add per storage setting for cache="none/writeback/writethrough" options for
> VMs on KVM hypervisor
> -------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-1302
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-1302
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: Management Server
> Affects Versions: 4.0.0
> Environment: Ubuntu 12.04.2 Host, KVM hypervisor
> Reporter: Jason Villalta
> Assignee: Wido den Hollander
> Priority: Minor
>
> Version 4.0.0 of Cloudstack has a hard coded value of cache=none for virtual
> machines deployed. This causes conflict with filesystems mounted with fuse
> such as ZFS, GlusterFs and CEPH as fuse does not support directio with these
> file systems. When starting VMs libvirt throws an error "could not open disk
> image <disk> Invalid argument"
> Changing the cache= setting to writethough or writeback solves this problem
> but there currently is no way to set this. Ideally this would get set on a
> per datastore basis.
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