<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title></title><style type="text/css">.felamimail-body-blockquote {margin: 5px 10px 0 3px;padding-left: 10px;border-left: 2px solid #000088;} </style></head><body><div>btw:</div><div><br></div><div>The VM are configured to use cache=writethrough</div><div>since cache=none doesn't work (can't install the machine</div><div>because of i/o errors when I try to use the disk)</div><div>can't start an installed machine with cache=none</div><div>with cache=writethrough and cache=writeback</div><div>the machines starts and runs, but lifemigration</div><div>shows both time the same issue that</div><div>the disk will become readonline on successful migration</div><div>remount, reboot failed</div><div>only a shutdown and a restart works.</div><div><br></div><div>TIA</div><div><br></div><div>Bernhard </div><div><br></div><div><br></div><div><br></div><blockquote class="felamimail-body-blockquote"><blockquote class="felamimail-body-blockquote">I experienced a strange behavior of glusterfs during livemigration<br>of a qemu-kvm guest<br>using a 10GB file on a mirrored gluster 3.4.2 volume<br>(both on ubuntu 13.04)<br>I run<br>virsh migrate --verbose --live --unsafe --p2p --domain atom01 --desturi<br>qemu+ssh://<target_ip>/system<br>and the migration works,<br>the running machine is pingable and keeps sending pings.<br>nevertheless, when I let the machine touch a file during migration<br>it stops, complaining that it's filesystem is read only (from that moment<br>that<br>migration finished)<br>A reboot from inside the machine failes,<br>machine goes down and comes up with an error<br>unable to write to sector xxxxxx on hd0<br>(than falling into the initrd).<br>a<br>virsh destroy VM && virsh start VM<br>leads to a perfect running VM again,<br>no matter on which of the two hosts I start the machine<br>anybody better experience with livemigration?<br>any hint on a procedure how to debug that?<br></blockquote></blockquote><style type="text/css">.felamimail-body-blockquote {margin: 5px 10px 0 3px;padding-left: 10px;border-left: 2px solid #000088;} </style></body></html>