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From SudharmaJain <...@git.apache.org>
Subject [GitHub] cloudstack pull request: CLOUDSTACK-8911: VM start job got stuck i...
Date Mon, 28 Sep 2015 12:18:33 GMT
GitHub user SudharmaJain opened a pull request:

    https://github.com/apache/cloudstack/pull/895

    CLOUDSTACK-8911: VM start job got stuck in loop looking for suitable …

    …host
    
    VM instance creation job get stuck in the loop, when VMs require local storage there are
host that reached max guest limit and remain hosts does have storage available.  This happens
because the hosts that reach the max guest limit were not getting added to the avoid list
and hence the cluster. 
    
    Verified the fix on my local setup.
    
    Repro Steps:
    1. Take an environment with single cluster and 2 hosts.
    2. change the max guest limit for the hypervisor such that on one host max guest limit
should reach.
    3. change thresholds so that other host should not have enough storage. If required create
a VM for sufficient bigger disk.
    4. Now deploy a VM with local storage.
    5. cluster will never be put in the avoid set and job will keep looking for suitable host.
    6. once we increase the max guest limit, VM will deploy or will fail if there is a lack
of storage.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/SudharmaJain/cloudstack cs-8911

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/cloudstack/pull/895.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #895
    
----
commit 17050a07dbcf1ac1430c6b0dae8e415d9fcd5181
Author: SudharmaJain <sudharma.jain@citrix.com>
Date:   2015-09-25T12:35:54Z

    CLOUDSTACK-8911: VM start job got stuck in loop looking for suitable host

----


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