On Mon, May 13, 2019 at 08:47:45AM +0200, Martin Toth wrote: > Hi all, Hi > > I am running replica 3 on SSDs with 10G networking, everything works OK but VMs stored in Gluster volume occasionally freeze with “Task XY blocked for more than 120 seconds”. > Only solution is to poweroff (hard) VM and than boot it up again. I am unable to SSH and also login with console, its stuck probably on some disk operation. No error/warning logs or messages are store in VMs logs. > As far as I know this should be unrelated, I get this during heals without any freezes, it just means the storage is slow I think. > KVM/Libvirt(qemu) using libgfapi and fuse mount to access VM disks on replica volume. Can someone advice how to debug this problem or what can cause these issues? > It’s really annoying, I’ve tried to google everything but nothing came up. I’ve tried changing virtio-scsi-pci to virtio-blk-pci disk drivers, but its not related. > Any chance your gluster goes readonly ? Have you checked your gluster logs to see if maybe they lose each other some times ? /var/log/glusterfs For libgfapi accesses you'd have it's log on qemu's standard output, that might contain the actual error at the time of the freez. _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users
