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https://issues.apache.org/jira/browse/CLOUDSTACK-9586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Burwell updated CLOUDSTACK-9586:
-------------------------------------
Priority: Critical (was: Major)
> When using shared storage with Xenserver prepareTemplate does not work when
> there are more than 1 hosts
> -------------------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-9586
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9586
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Affects Versions: 4.5.2
> Reporter: Abhinandan Prateek
> Assignee: Abhinandan Prateek
> Priority: Critical
> Fix For: 4.10.0.0, 4.9.1.0, 4.8.2.0
>
>
> 2016-11-09 15:05:15,876 DEBUG [c.c.h.x.r.XenServerStorageProcessor]
> (DirectAgent-29:ctx-8d890b55) Failed to destroy pbd
> SR_BACKEND_FAILURE_40The SR scan failed [opterr=['INTERNAL_ERROR',
> 'Db_exn.Uniqueness_constraint_violation("VDI", "uuid",
> "703f59ca-6e5e-38d3-bbef-707b5b14c704")']]
> at com.xensource.xenapi.Types.checkResponse(Types.java:2021)
> at com.xensource.xenapi.Connection.dispatch(Connection.java:395)
> at
> com.cloud.hypervisor.xenserver.resource.XenServerConnectionPool$XenServerConnection.dispatch(XenServerConnectionPool.java:462)
> at com.xensource.xenapi.SR.scan(SR.java:1257)
> at
> com.cloud.hypervisor.xenserver.resource.Xenserver625StorageProcessor.createFileSR(Xenserver625StorageProcessor.java:113)
> at
> com.cloud.hypervisor.xenserver.resource.Xenserver625StorageProcessor.createFileSr(Xenserver625StorageProcessor.java:139)
> at
> com.cloud.hypervisor.xenserver.resource.Xenserver625StorageProcessor.copyTemplateToPrimaryStorage(Xenserver625StorageProcessor.java:173)
> Root Cause: CloudPlatform creates a SR on each host, which points to the
> template location on the secondary storage
> (secondary_Storage/template/tmpl/<account_id>/<template_id>). This causes the
> database unique constraint violation when each XenServer tries to scan the SR
> created on each host. The host that scans the SR last, throws the exception
> because VDI was recognized already from the SR scan of the first host.
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