On Tue, Mar 05, 2019 at 02:42:51PM -0700, Jim Fehlig wrote: > On 3/5/19 3:17 AM, Daniel P. Berrangé wrote: > > On Mon, Mar 04, 2019 at 04:00:01PM -0700, Jim Fehlig wrote: > > > Xen 4.10 introduced the max_grant_frames xl config setting, which > > > can be set globally in xl.conf(5) or per-domain in xl.cfg(5). > > > max_grant_frames specifies the maximum number of grant frames the > > > domain is allowed to have, which in turn controls the number of > > > pages the domain can share. > > > > Does the grant frame value have any impact on the live migration > > compatibility ? ie if both source and dest host are required to > > have identical grant frame values, then it is preferrable to /not/ > > have this as a host tunable, but only as XML. You generally don't > > want anything affecting mig compatibility in host level configs. > > Thanks for the reminder. Yes, grant frame value could have an affect on > migration. I didn't put much thought into it since Xen has a similar concept > in their host level config. Difference is, they also support the setting in > their per-domain config. > > So I'm back to figuring out how to model this in XML > > https://www.redhat.com/archives/libvir-list/2019-February/msg01218.html > > Your opinion would be much appreciated! Thus far my preferred option is the > last one described in that thread > > https://www.redhat.com/archives/libvir-list/2019-March/msg00124.html Yes, I concur with that preference, Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list
