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Unable to enable NFS Cinder Backup

We are trying to set up NFS backup in Ocata Openstack Version. Instances are created with volumes (cinder) coming from Dell EMC Unity 300F. We enabled cinder-backup (NFS coming from Storage Dell MD3420) and gave configuration as below under default in cinder.conf

backup_driver = cinder.backup.drivers.nfs backup_share = x.x.x.:/nfsshares backup_mount_options = rw,vers=4.1 backup_mount_point_base = /nfs_backup backup_compression_algorithm = zlib backup_sha_block_size_bytes = 32768 backup_file_size = 1999994880

#

iSCSI Custom start

enabled_backends = unity unity_io_ports = spa_eth4, spa_eth5, spb_eth4, spa_eth5 use_multipath_for_image_xfer = False initiator_auto_registration = True

[unity] storage_protocol = iSCSI san_ip = x.x.x.x san_login = xxxxx san_password = xxxxxx volume_driver = cinder.volume.drivers.dell_emc.unity.Driver unity_storage_pool_names = Openstack_pool-01 volume_backend_name = Storage_ISCSI_0

iSCSI Custom end

#

while creating backup its erroring out and an volume is created in Dell EMC Unity 300F itself .

openstack volume backup list +--------------------------------------+-------------+-------------+--------+------+ | ID | Name | Description | Status | Size | +--------------------------------------+-------------+-------------+--------+------+ | 584c8947-2f0b-42e1-955c-384b17a08104 | backup1 | None | error | 20 | | a7ca7b3c-ffc0-437b-a2ce-374a48d7a763 | test-backup | None | error | 6 | | 77211d91-07b1-493c-8133-3faff34f7428 | test-backup | None | error | 6 | +--------------------------------------+-------------+-------------+--------+------+

Unable to enable NFS Cinder Backup

We are trying to set up NFS backup in Ocata Openstack Version. Instances are created with volumes (cinder) coming from Dell EMC Unity 300F. We enabled cinder-backup (NFS coming from Storage Dell MD3420) and gave configuration as below under default in cinder.conf

backup_driver = cinder.backup.drivers.nfs
backup_share = x.x.x.:/nfsshares
backup_mount_options = rw,vers=4.1
backup_mount_point_base = /nfs_backup
backup_compression_algorithm = zlib
backup_sha_block_size_bytes = 32768
backup_file_size = 1999994880

#

1999994880 # #################### # iSCSI Custom start

start enabled_backends = unity unity_io_ports = spa_eth4, spa_eth5, spb_eth4, spa_eth5 use_multipath_for_image_xfer = False initiator_auto_registration = True

True [unity] storage_protocol = iSCSI san_ip = x.x.x.x san_login = xxxxx san_password = xxxxxx volume_driver = cinder.volume.drivers.dell_emc.unity.Driver unity_storage_pool_names = Openstack_pool-01 volume_backend_name = Storage_ISCSI_0

Storage_ISCSI_0 # iSCSI Custom end

#

end # ####################

while creating backup its erroring out and an volume is created in Dell EMC Unity 300F itself .

openstack volume backup list
+--------------------------------------+-------------+-------------+--------+------+
| ID                                   | Name        | Description | Status | Size |
+--------------------------------------+-------------+-------------+--------+------+
| 584c8947-2f0b-42e1-955c-384b17a08104 | backup1     | None        | error  |   20 |
| a7ca7b3c-ffc0-437b-a2ce-374a48d7a763 | test-backup | None        | error  |    6 |
| 77211d91-07b1-493c-8133-3faff34f7428 | test-backup | None        | error  |    6 |
+--------------------------------------+-------------+-------------+--------+------+

+--------------------------------------+-------------+-------------+--------+------+