This causes an annoying problem with rbd resource agent in pacemaker. In a situation where pacemaker needs to stop a rbd resource agent on a node where there is no network connection, the rbd unmap command hangs. This causes the resource agent stop command to timeout and the node is fenced.
On Thu, May 7, 2015 at 4:37 PM, Ilya Dryomov <[email protected]> wrote: > On Thu, May 7, 2015 at 10:20 PM, Vandeir Eduardo > <[email protected]> wrote: > > Hi, > > > > when issuing rbd unmap command when there is no network connection with > mons > > and osds, the command hangs. Isn't there a option to force unmap even on > > this situation? > > No, but you can Ctrl-C the unmap command and that should do it. In the > dmesg you'll see something like > > rbd: unable to tear down watch request > > and you may have to wait for the cluster to timeout the watch. > > Thanks, > > Ilya >
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