Re: [ovirt-users] Memory and swap issue

On 06/05/2014 10:30 PM, Jeff Clay wrote: > 126455 MB total, 863 MB used, 125592 MB free > That's what I'm showing right now, but I don't have as many VM's > running at the moment. There are currently 8 running and I was getting > that issue yesterday when I got around the 15 vm mark. > > > > > > > > > > > > On Thu, Jun 5, 2014 at 2:07 PM, Itamar Heim <iheim(a)redhat.com > <mailto:iheim@redhat.com>> wrote: > > On 06/05/2014 02:24 AM, Jeff Clay wrote: > > I'm getting the following error trying to start a VM. I have 64 > gb of > RAM on this host. I got this error once before and found that my > swap > partition was only 2gb or so. I increased the swap size to 124GB > and the > problem went away. Below is the error when trying to start a VM > and > below that is what my output from "free -g". I don't see why I'm > getting > a swap file error when there's plenty of it available. > > > * Cannot run VM. Host swap percentage is above the defined > threshold. > > - Check your configuration parameters for Host Swap > Percentage. > * Cannot run VM. There is no host that satisfies current > scheduling > > constraints. See below for details: > * The host USARPAOVRTHOST02 did not satisfy internal filter > Memory. > > > > > [root@usarpaovrthost02 ~]# free -g > total used free shared buffers > cached > Mem: 62 62 0 0 0 > 12 > -/+ buffers/cache: 50 12 > Swap: 123 12 110 > [root@usarpaovrthost02 ~]# > [root@usarpaovrthost02 ~]# > [root@usarpaovrthost02 ~]# swapon -s > Filename Type Size > Used > Priority > /dev/dm-1 partition 129490936 > 12811000 -1 > [root@usarpaovrthost02 ~]# > > > > _________________________________________________ > Users mailing list > Users(a)ovirt.org <mailto:Users@ovirt.org> > http://lists.ovirt.org/__mailman/listinfo/users > <http://lists.ovirt.org/mailman/listinfo/users> > > > what do you see under host general subtab for swap percentage? > > > iirc, you can either disable the swap check via the config EnableSwapCheck, or change the threshold via BlockMigrationOnSwapUsagePerce ntage (which would be a confusing name if it affects RunVm and not only migration...)