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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-8985) Deleted volume's removed column not updated
Date Fri, 23 Oct 2015 18:56:27 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8985?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971621#comment-14971621
] 

ASF GitHub Bot commented on CLOUDSTACK-8985:
--------------------------------------------

Github user mike-tutkowski commented on the pull request:

    https://github.com/apache/cloudstack/pull/968#issuecomment-150663033
  
    @DaanHoogland At present, I don't have any way to run SolidFire integration tests inside
of the Apache community. Perhaps I can leverage a virtual appliance at some point to make
this happen, though.
    
    @pdube It turns out it's actually the way the storage framework is implemented. When it
invokes the "delete" method on the storage plug-in, the "removed" column has not yet been
updated in the database. That only happens once the plug-in returns "success" on its side
(then a callback method is invoked within the storage framework to update the "removed" column
(among other things)). My assumption in the plug-in was initially that this "removed" column
was updated before the storage framework told me to remove the object, but that was not correct
(so I need to treat the volume like it's still "alive and well" and just ignore it when I
calculate space numbers).


> Deleted volume's removed column not updated
> -------------------------------------------
>
>                 Key: CLOUDSTACK-8985
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8985
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.6.0
>         Environment: All
>            Reporter: Mike Tutkowski
>            Assignee: Mike Tutkowski
>             Fix For: 4.6.0
>
>
> Note: Relates to managed storage only.
> Due to the fact that a volume does not enter the "Expunged" state until after a callback
method is invoked (which happens after the plug-in is notified to delete the volume in question),
the current getUsedBytes implementation (in SolidFirePrimaryDataStoreDriver) was assuming
the volume just deleted would not be included in the used-byte count calculation.
> The fact that the code does try to count this volume in the used-byte count calculation
leads to an exception being thrown and the removed column not being updated.



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