<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Hi all,</div><div class=""><br class=""></div><div class="">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”.</div><div class="">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.</div><div class=""><br class=""></div><div class=""><div class="">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? </div><div class="">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.</div></div><div class=""><br class=""></div><div class=""><div class="">BR,</div><div class="">Martin</div></div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="7C1C29C1-190D-4F27-8415-AA5440B34D3B" width="714" height="360" src="cid:653E3748-08F7-4D4E-89A8-E0C665BEB3BC" class=""></div><div class=""><br class=""></div><div class="">These are volume settings :</div><div class=""><br class=""></div>Type: Replicate<br class="">Volume ID: b021bbb6-fa99-4cc7-88f6-49152a22cb9e<br class="">Status: Started<br class="">Number of Bricks: 1 x 3 = 3<br class="">Transport-type: tcp<br class="">Bricks:<br class="">Brick1: node1:/imagestore/brick1<br class="">Brick2: node2:/imagestore/brick1<br class="">Brick3: node3:/imagestore/brick1<br class="">Options Reconfigured:<br class="">performance.client-io-threads: on<br class="">performance.quick-read: off<br class="">performance.read-ahead: off<br class=""><a href="http://performance.io" class="">performance.io</a>-cache: off<br class="">performance.stat-prefetch: on<br class="">cluster.min-free-disk: 10%<br class="">cluster.server-quorum-type: server<br class="">cluster.quorum-type: auto<br class="">cluster.eager-lock: enable<br class="">cluster.data-self-heal-algorithm: full<br class="">network.remote-dio: enable<br class="">network.ping-timeout: 30<br class="">diagnostics.count-fop-hits: on<br class="">diagnostics.latency-measurement: on<br class="">client.event-threads: 4<br class="">server.event-threads: 4<br class="">storage.owner-gid: 9869<br class="">storage.owner-uid: 9869<br class="">server.allow-insecure: on<br class="">nfs.disable: on<br class="">performance.readdir-ahead: on<div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div></body></html>