5:12 p.m.
I had an issue like this where I was using a centos7 (targetcli iscsi)
server which accidentally had LVM enabled upon reboot
which grabbed the RAID device and stopped targetcli from exporting the RAID
disk as iscsi.
It only showed up after a power outage and it took me a while to figure out
what happened.
I had to stop and disable LVM on the iscsi server, use 'dmsetup ls' to see
what it had touched and 'dmsetup remove' to clear them,
then restart the target service.
Somewhere along the way of troubleshooting targetcli decided to forget the
volume,
but an earlier backup config had it so I copied that into place and got it
running again.
On Tue, Jul 7, 2020 at 9:51 AM Kevin Doyle <kevin.doyle(a)manchester.ac.uk>
wrote:
I am running a hosted engine using iscsi. I had to reboot the array,
I
took down all the VM's and put the VM data storage into maintenance mode. I
also put the hosted engine "hosted-engine --set-maintenance --mode =global"
and shut down the engine "hosted-engine --vm-shutdown" I also stopped the
broker and agent systemctl stop ovirt-ha-broker' ; 'systemctl stop
ovirt-ha-agent' The array was rebooted. I started the broker and agent
systemctl start ovirt-ha-broker' ; 'systemctl start ovirt-ha-agent' However
I now see errors in the vdsm log
INFO (jsonrpc/4) [storage.TaskManager.Task]
(Task='76547cc5-e4f0-454c-ac46-c341e7f6d54c') aborting: Task is aborted:
"Storage domain does not exist:
(u'5626eba7-ebd8-4578-baf0-ca4f4af5889b',)"
- code 358 (task:1181)
2020-07-07 14:01:25,098+0100 ERROR (jsonrpc/4) [storage.Dispatcher] FINISH
prepareImage error=Storage domain does not exist:
(u'5626eba7-ebd8-4578-baf0-ca4f4af5889b',) (dispatcher:83)
2020-07-07 14:01:25,098+0100 INFO (jsonrpc/4) [jsonrpc.JsonRpcServer] RPC
call Image.prepare failed (error 358) in 0.07 seconds (__init__:312)
INFO (vmrecovery) [vdsm.api] START
getConnectedStoragePoolsList(options=None) from=internal,
task_id=93d7e2d6-17ee-4370-b8c4-fb32a3887021 (api:48)
2020-07-07 14:01:25,592+0100 INFO (vmrecovery) [vdsm.api] FINISH
getConnectedStoragePoolsList return={'poollist': []} from=internal,
task_id=93d7e2d6-17ee-4370-b8c4-fb32a3887021 (api:54)
2020-07-07 14:01:25,592+0100 INFO (vmrecovery) [vds] recovery: waiting
for storage pool to go up (clientIF:709)
I have 6 hosts. I have tried rebooting them all, I have tried just running
1 host that was originally hosting the engine, but I cannot bring up the
hosted engine. Has anyone any ideas ? how to reconnect the storage domain
The hosted engine had its own iscsi disk separate from the VM's
thanks
Kevin
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