I don't know why this is happening, but it sure seems like something you should file a bug for.
https://bugs.launchpad.net/nova/+filebug Thanks, Michael On Saturday, September 13, 2014, Stephen Cousins <[email protected]> wrote: > Just confirmed that it isn't happening with 4-core VM's either. Just 8. I > haven't tried a 16-core VM but I can guess. > > The flavors are matched with 1 GB per core so an 8-core VM has 8 GB of > RAM. Does that lead to any ideas? > > On Fri, Sep 12, 2014 at 3:10 PM, Stephen Cousins <[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: > >> Thanks for the information. I just tried doing it with a VM with only 2 >> cores and it has been working fine. So it seems that it may be specific to >> the number of cores that are involved. I'll try with 4 to see if that works >> ok. Thankfully we don't have many 8-core machines but we still have the >> need to migrate them for maintenance. >> >> Does this core-specific information help to figure out what the problem >> is? >> >> >> >> On Fri, Sep 12, 2014 at 2:31 PM, Jonathan Proulx <[email protected] >> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >> >>> On Fri, Sep 12, 2014 at 1:44 PM, Stephen Cousins >>> <[email protected] >>> <javascript:_e(%7B%7D,'cvml','[email protected]');>> wrote: >>> >>> > Does anyone live-migrate VM's successfully when volumes are attached? >>> >>> My setup is significantly different so probably not terribly helpful, >>> but to answer the question I did do live migrations with Volumes >>> attached on my Grizzly cloud (since upgraded to Icehouse). We don't >>> have shared storage for the ephemeral disks and our Volumes are iSCSI >>> attached (from an equallogic san), so something like: >>> >>> nova live-migration --block-migrate <server> [<host>] >>> >>> I wouldn't say it was 100% but the volume piece wasn't a problem. Well >>> once I figured out in my case I needed to flip some bits on the SAN >>> side to allow multiple logins to the same target as source and >>> destination are both connected during a migration, but I wouldn't >>> expect that to be an issue with NFS >>> >>> -Jon >>> >> >> >> >> > > > -- > ________________________________________________________________ > Steve Cousins Supercomputer Engineer/Administrator > Advanced Computing Group University of Maine System > 244 Neville Hall (UMS Data Center) (207) 561-3574 > Orono ME 04469 steve.cousins at maine.edu > > -- Rackspace Australia
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