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]> 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]> > wrote: > >> On Fri, Sep 12, 2014 at 1:44 PM, Stephen Cousins >> <[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
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