On Fri, Apr 03, 2009 at 06:00:56PM +0800, Kirby Zhou wrote: > How to recover from gnbd "Open Disconnected Pending" state? > > When the machine which exported gnbd is broken or shutdown, the client > machine would fall into the state 'Open Disconnected Pending'. > Any process accessing the dead gnbd will fall into state 'D'. > How can I remove the dead gnbd block device on the client machine? > > #On the client machine > [root@xen-727057 ~]# gnbd_import -n -l > Device name : 63.131.xvdb > ---------------------- > Minor # : 0 > sysfs name : /block/gnbd0 > Server : 10.10.63.131 > Port : 14567 > State : Open Disconnected Pending > Readonly : No > Sectors : 16777216 > > [root@xen-727057 ~]# pvs & > [1] 4561 > [root@xen-727057 ~]# ps aux | fgrep pvs > root 4561 0.6 0.1 79364 1544 pts/0 D 14:50 0:00 pvs > root 4563 0.0 0.0 61112 608 pts/0 S+ 14:50 0:00 fgrep pvs > > [root@xen-727057 ~]# gnbd_import -n -R > gnbd_import: ERROR cannot disconnect device #0 : Device or resource busy Did you try #gnbd_import -n -RO The override option should allow you to remove the device and fail the IO. -Ben -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
