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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-5853) cannot deploy vm with differing service storage tag and data disk storage tag
Date Fri, 10 Jan 2014 18:57:00 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-5853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868130#comment-13868130
] 

ASF subversion and git services commented on CLOUDSTACK-5853:
-------------------------------------------------------------

Commit fc082832d3f9741cb06f09593e58db78e8c887d8 in branch refs/heads/master from [~mlsorensen]
[ https://git-wip-us.apache.org/repos/asf?p=cloudstack.git;h=fc08283 ]

CLOUDSTACK-5853
Create two storage pools, one with storage tag X, one with storage tag Y.
Create a service offering with storage tag X.
Create a disk offering with storage tag Y.
Attempt to deploy a virtual machine with a datadisk, using given offerings, it fails.

Deployment planner keeps a global object 'avoid'. It loops through each volume to
be created, asking storage allocators for matching pools, passing this avoid object.

First disk matches a pool or pools, adds ALL other pools to avoid object, then
deployment planner attaches matching pools to a list for that disk.

Second disk matches a pool, adds all other pools to avoid object, then deployment
planner says "wait, matching pool is in avoid, can't use it". Oops. In fact, at this
point ALL pools are in avoid (unless there are other pools that have both tags).

Need to remove matching pool from the avoid set during each select phase.


> cannot deploy vm with differing service storage tag and data disk storage tag
> -----------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-5853
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5853
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server
>    Affects Versions: 4.2.0, 4.3.0, 4.4.0
>            Reporter: Marcus Sorensen
>            Assignee: Marcus Sorensen
>
> Create two storage pools, one with storage tag X, one with storage tag Y.
> Create a service offering with storage tag X.
> Create a disk offering with storage tag Y.
> Attempt to deploy a virtual machine with a datadisk, using given offerings, it fails.
> Deployment planner keeps a global object 'avoid'. It loops through each volume to be
created, asking storage allocators for matching pools, passing this avoid object.
> First disk matches a pool or pools, adds ALL other pools to avoid object, then deployment
planner attaches matching pools to a list for that disk.
> Second disk matches a pool, adds all other pools to avoid object, then deployment planner
says "wait, matching pool is in avoid, can't use it". Oops. In fact, at this point ALL pools
are in avoid (unless there are other pools that have both tags).
> Need to remove matching pool from the avoid set during each select phase.



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