>>>> root@controller:/var/log/cinder# more cinder-scheduler.log
>>>> 2014-09-12 22:47:41.757 10328 ERROR cinder.scheduler.flows.create_volume
>>>> [req-5c268fcf-5c4d-49ed-be1b-0460411e76b0 33444db757c14559add65a2e606c2102
>>>> d4c3bf6ee2af44129fc38bf76f4a5623 - - -] Failed
>>>> to schedule_create_volume: No valid host was found.
>>>> 2014-09-12 22:56:01.742 10328 WARNING cinder.context [-] Arguments dropped
>>>> when creating context: {'user': u'dfbdec26a06a4c5cb35f994937b092fb',
>>>> 'tenant': u'0faf8d7dfdac4a53af195b5436992976', 'use
>>>> r_identity': u'dfbdec26a06a4c5cb35f994937b092fb
>>>> 0faf8d7dfdac4a53af195b5436992976 - - -'}
>>>> 2014-09-12 22:56:01.765 10328 ERROR cinder.scheduler.flows.create_volume
>>>> [req-230d0a9c-851c-4612-9549-cc9fb07a2197 dfbdec26a06a4c5cb35f994937b092fb
>>>> 0faf8d7dfdac4a53af195b5436992976 - - -] Failed
>>>> to schedule_create_volume: No valid host was found.
>>>> root@controller:/var/log/cinder#
IMHO, tke key to resolve this problem is to look back on cinder-scheduler.log
where you see this error:
>> Failed to schedule_create_volume: No valid host was found.
Also looking on your cinder.conf, you seem to be using LVM over iSCSI as a
storage, is that correct?
"No valid host was found" probably means some cinder or iSCSI misconfiguration,
ie:
1.I don't see any LVM filters in your config so schedululer may be confised
2. double check if your hosts really have woorking iSCSI access to your
storage? this is often source of many problems
Cheers,
Radek.
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