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Message #02264
[Bug 1026153] Re: Need to deal with XenAPI pool master election
Pools hardy work, this is just the tip of ice burg and noise.
** Changed in: nova
Status: Confirmed => Won't Fix
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https://bugs.launchpad.net/bugs/1026153
Title:
Need to deal with XenAPI pool master election
Status in OpenStack Compute (Nova):
Won't Fix
Bug description:
The XenAPI host aggregates support is currently unable to deal with
the case when the pool master dies.
The master re-election should be left to the administrator (unless we
are able to leverage XenServer HA), because it is hard in general to
tell if the master is truly dead, or there was just a loss of
management network connectively. It is tricky to ensure the master
does not write the VM disk during the process.
The best approach is to ensure to find out which memeber of the
aggregate has become the master, in the case where the master is
changed.
This is important because all VM operations are sent to the master of
the pool (such as VM start and stop)
Pools were added in Essex, and this issue was not address in the
initial implementation.
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