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From "Animesh Chaturvedi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CLOUDSTACK-5371) Maitenance mode for secondary store.
Date Wed, 11 Dec 2013 02:14:08 GMT

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-5371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Animesh Chaturvedi updated CLOUDSTACK-5371:
-------------------------------------------

    Fix Version/s: Future

> Maitenance mode for secondary store.
> ------------------------------------
>
>                 Key: CLOUDSTACK-5371
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5371
>             Project: CloudStack
>          Issue Type: New Feature
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.3.0
>         Environment: Build from 4.3
>            Reporter: Sangeetha Hariharan
>            Assignee: edison su
>            Priority: Critical
>             Fix For: Future
>
>
> Set up:
> Advanced Zone with 2 Xenserver 6.2 hosts:
> 1. Deploy 5 Vms in each of the hosts with 10 GB ROOT volume size , so we start with 10
Vms.
> 2. Start concurrent snapshots for ROOT volumes of all the Vms by creating hourly snapshots.
> 3. Shutdown the Secondary storage server when the snapshots are in the progress. ( In
my case i stopped the nfs server)
> 4. Bring the Secondary storage server up after 12 hours. ( In my case started the nfs
server).
> When secondary server was down (NFS server down) for about 12 hours , I see that hourly
snapshots get attempted every hour and fail with “CreatedOnPrimary" state . I see many entries
( 2 per failed snapshot attempt) being created on the primary store.
> In such cases , if the admin is aware of  connectivity issues/ running out of disk space
on secondary store , he should be able to set  “Maintenance Mode” for secondary store
, so that we have to ability to not even attempt snapshots instead of attempting and failing
and leaving behind snapshots in failed state.



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