Thank you for your advice, yesterday, after 5 hours vm ovirt-engine starts.
I suffered all the virtual machines on the old server Xen., except for one
large volume. Later, when I can move and it will be to understand what
happened to the ISCSI storage.

пн, 20 февр. 2017 г. в 9:44, Yedidyah Bar David <d...@redhat.com>:

> On Sun, Feb 19, 2017 at 12:42 PM, Денис Мишанин <mishani...@gmail.com>
> wrote:
> > Hello.
> > After restarting the ISCSI storage I can not run ovirt-engine in
> prodation
> > use I am looking for help
>
> You have this in vdsm.log:
>
> Thread-640::DEBUG::2017-02-19
> 13:40:35,756::lvm::288::Storage.Misc.excCmd::(cmd) /usr/bin/taskset
> --cpu-list 0-23 /usr/bin/sudo -n /usr/sbin/lvm vgs --config ' devices
> { preferred_names = [
> "^/dev/mapper/"] ignore_suspended_devices=1 write_cache_state=0
> disable_after_error_count=3 filter = [
> '\''a|/dev/mapper/3600605b00a20bf201e29c6bf236a6651|'\'',
> '\''r|.*|'\'' ] }  global {
>  locking_type=1  prioritise_write_locks=1  wait_for_locks=1
> use_lvmetad=0 }  backup {  retain_min = 50  retain_days = 0 } '
> --noheadings --units b --nosuffix --separator '|' --ignoreskippe
> dcluster -o
> uuid,name,attr,size,free,extent_size,extent_count,free_count,tags,vg_mda_size,vg_mda_free,lv_count,pv_count,pv_name
> c7c466c5-983d-40b2-8f8c-d569755281f5 (cwd None)
> Thread-640::DEBUG::2017-02-19
> 13:40:35,784::lvm::288::Storage.Misc.excCmd::(cmd) FAILED: <err> = '
> WARNING: Not using lvmetad because config setting use_lvmetad=0.\n
> WARNING: To avoid cor
> ruption, rescan devices to make changes visible (pvscan --cache).\n
> Volume group "c7c466c5-983d-40b2-8f8c-d569755281f5" not found\n
> Cannot process volume group c7c466c5-983d-40b2-8f8c-d56
> 9755281f5\n'; <rc> = 5
> Thread-640::WARNING::2017-02-19
> 13:40:35,785::lvm::376::Storage.LVM::(_reloadvgs) lvm vgs failed: 5 []
> ['  WARNING: Not using lvmetad because config setting use_lvmetad=0.',
> '  WARNING: To
> avoid corruption, rescan devices to make changes visible (pvscan
> --cache).', '  Volume group "c7c466c5-983d-40b2-8f8c-d569755281f5" not
> found', '  Cannot process volume group c7c466c5-983d-
> 40b2-8f8c-d569755281f5']
>
> Not sure what might have caused this.
>
> Is your iSCSI storage ok after the reboot?
>
> You might try to reboot the client (host) or further debug it on
> kernel/iSCSI level. Check e.g. 'lsblk', iscsiadm, etc.
>
> Best,
> --
> Didi
>
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