attaching cinder-volume with defaul LVM backand fails with `LUN 0 on iSCSI portal x.x.x.x:3260 not found`
Issue
Trying to start an instance which uses a cinder-volume fails with:
2018-05-01 08:55:18.453 5002 WARNING nova.virt.osinfo [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] Cannot find OS information - Reason: (No configuration information found for operating system Empty)
2018-05-01 08:55:18.510 5002 INFO os_brick.initiator.connector [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] Trying to connect to iSCSI portal x.x.x.x:3260
2018-05-01 08:56:14.084 5002 WARNING os_brick.initiator.connector [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] LUN 0 on iSCSI portal x.x.x.x:3260 not found on sysfs after logging in.
2018-05-01 08:56:16.639 5002 INFO os_brick.initiator.connector [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] Trying to connect to iSCSI portal x.x.x.x:3260
2018-05-01 08:57:12.295 5002 WARNING os_brick.initiator.connector [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] LUN 0 on iSCSI portal x.x.x.x:3260 not found on sysfs after logging in.
2018-05-01 08:57:16.841 5002 INFO os_brick.initiator.connector [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] Trying to connect to iSCSI portal x.x.x.x:3260
2018-05-01 08:58:12.640 5002 WARNING os_brick.initiator.connector [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] LUN 0 on iSCSI portal x.x.x.x:3260 not found on sysfs after logging in.
2018-05-01 08:58:13.618 5002 INFO nova.compute.manager [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] [instance: bd045772-1391-4268-adc1-bdffd746b422] Successfully reverted task state from powering-on on failure for instance.
2018-05-01 08:58:13.622 5002 ERROR oslo_messaging.rpc.dispatcher [req-da33f8dd-fc35-4a52-a1e7-0cce5422d841 9c5a96cb2e4941de90ddad2963a19497 a510587526a14208b1f827dd6ef93db3 - - -] Exception during message handling: Volume device not found at .
Environment
- Red Hat OpenStack Platform
- openstack-cinder LVM backend
- no block device used for the cinder-volume group to manage the volumes
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