yes thx tobias, did you try live-migration after this change? I will try on my end too and share whether it worked with the DiskFilter disabled or not. thx will
On Mon, Aug 15, 2016 at 4:22 PM, Tobias Urdin <tobias.ur...@crystone.com> wrote: > Hello, > > We are having this issue in production and I have since pushed for a fix > for this. > > We solved it by removing the DiskFilter filter, ignore any RT data from > nova and seen in horizon and keep close monitoring on our block storage > usage. > > nova.conf: > > #scheduler_default_filters = RetryFilter, AvailabilityZoneFilter, > RamFilter, DiskFilter, ComputeFilter, ComputeCapabilitiesFilter, > ImagePropertiesFilter, ServerGroupAntiAffinityFilter, > ServerGroupAffinityFilter > scheduler_default_filters = RetryFilter, AvailabilityZoneFilter, > RamFilter, ComputeFilter, ComputeCapabilitiesFilter, > ImagePropertiesFilter, ServerGroupAntiAffinityFilter, > ServerGroupAffinityFilter > > Default options is the one commented out, the other one has DiskFilter > removed. > > We haven't had any issues after removing the DiskFilter. > > > Best regards > > > On 08/15/2016 10:17 AM, kostiantyn.volenbovs...@swisscom.com wrote: >> Hi, >> >> Just to add that this bug was recently brought up in openstack-dev [1] >> >> it sounds that you are waiting for fix via [2] or, probably more likely [3] >> Disabling DiskFilter sounds like OK workaround in case your VMs are never >> booted from image in your OpenStack Region(s). >> But if I understand the fault - the migrate/resize/live >> migrate/rebuild/evacuate will not work because >> . assuming that on target Compute Host you don't have local disk - and your >> flavor has more than 0 GB for root and/or ephemeral disk >> -it would fail. >> >> So I would say that setting your root disk space to '0' in the flavor might >> be a better workaround >> >> BR, >> Konstantin >> [1] >> http://lists.openstack.org/pipermail/openstack-dev/2016-August/101566.html >> [2] https://review.openstack.org/#/c/200870/ >> [3] https://review.openstack.org/#/c/355091/ >> >> >>> -----Original Message----- >>> From: William Josefsson [mailto:william.josef...@gmail.com] >>> Sent: Sunday, August 14, 2016 5:47 PM >>> To: openstack-operators@lists.openstack.org >>> Subject: [Openstack-operators] DiskFilter Disabled - No valid host was found >>> >>> Hello, I got Error, no valid host was found while trying to provision and I >>> could in >>> nova-scheduler.log see that the DiskFilter failed to find a compute host. >>> My OS is >>> CentOS7/ running Liberty. >>> >>> If I'm not mistaken, it is a bug that DiskFilter checks space available on >>> compute- >>> host / partition even when I'm using iSCSI and RBD backends. The / is no way >>> near full. >>> https://bugs.launchpad.net/nova/+bug/1358566 >>> >>> Can anyone confirm whether it is fine to disable DiskFilter if I'm using >>> iSCSI and >>> RBD backend or would anything else brake? thx will >>> >>> _______________________________________________ >>> OpenStack-operators mailing list >>> OpenStack-operators@lists.openstack.org >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators >> _______________________________________________ >> OpenStack-operators mailing list >> OpenStack-operators@lists.openstack.org >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators >> > _______________________________________________ OpenStack-operators mailing list OpenStack-operators@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
