Misc. Sys Admin related notes, Linux tips, tricks, notes to self, etc.
We ran xe-toolstack-restart The services stopped ok, but did not restart.BANG!!Error - deamon missingWe had to shut down all VM's and restart the HostAll up again, but the downtime was not welcomed. SLAP!!
I've since found that the most common reason my VM's won't shut down is that they're using a storage repository (such as an ISO library) that is offline.In other words, if the virtual cd of a VM is pointing at an ISO that's on an offline storage repository, then that VM can't be shut down! (bug)
Have also found this problem also to be caused by...The behavior was, I clicked “start”, and it went amber in the pool, but never actually started running on one of the servers; once I sent it a “start”, I could not send it any more signals (start, stop, force reboot, force shutdown); nor could I snapshot it nor clone it. Figured out that any disk-related operations would hang or fail.Problem was, somehow the storage repository NFS share on the NetApp had been made non-writeable by root. Thus, all write requests from the XenServer were rejected.Solution: export it read-write and root-modifiable (browse as domain admin to \\ausnafs04\vol0\etc\exports and modify it in wordpad), then ssh in to fs04 and “exportfs -a” I suspect someone modified the run-time exports and forgot to save it out to the exports file. So, when I did "exportfs -a" to export another filesystem, the export parameters for this SR share were changed (to non-root r/w).
I have same issue, i find instructions on how to fix here on this tech site -sysdigg
Thanks, after a few tries with the tasks renewing itself I finally managed to cancel them and kill the VM
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