ISSUE: Cannot create volume from source volume where volume-type differs ======================================================================== 1. Confirm volume-types in use ------------------------------ stack@dev-master:~/devstack$ cinder type-list +--------------------------------------+---------------------+---------------------+-----------+ | ID | Name | Description | Is_Public | +--------------------------------------+---------------------+---------------------+-----------+ | 174f2d6b-672f-4da9-b09e-ee4ad8c2bf83 | BRONZE_PLAIN | - | True | | 30b8750a-89c7-4ea8-b630-be5cdaa84ecb | __DEFAULT__ | Default Volume Type | True | | 4c20614d-cf05-4867-942c-4be0c3b30538 | OPTIM_PLAIN | - | True | | 7c71f33f-fc8b-4ee0-b72f-ee73286e9cd1 | POWERMAX_ISCSI_NONE | - | True | | f4b71a80-21fa-4d3d-940b-c84d55268b7b | PLAT_PLAIN | - | True | +--------------------------------------+---------------------+---------------------+-----------+ stack@dev-master:~/devstack$ cinder type-show PLAT_PLAIN +---------------------------------+-------------------------------------------+ | Property | Value | +---------------------------------+-------------------------------------------+ | description | None | | extra_specs | pool_name : Platinum+SRP_1+000111222333 | | | volume_backend_name : POWERMAX_ISCSI_NONE | | id | f4b71a80-21fa-4d3d-940b-c84d55268b7b | | is_public | True | | name | PLAT_PLAIN | | os-volume-type-access:is_public | True | | qos_specs_id | None | +---------------------------------+-------------------------------------------+ stack@dev-master:~/devstack$ cinder type-show BRONZE_PLAIN +---------------------------------+-------------------------------------------+ | Property | Value | +---------------------------------+-------------------------------------------+ | description | None | | extra_specs | pool_name : Bronze+SRP_1+000111222333 | | | volume_backend_name : POWERMAX_ISCSI_NONE | | id | 174f2d6b-672f-4da9-b09e-ee4ad8c2bf83 | | is_public | True | | name | BRONZE_PLAIN | | os-volume-type-access:is_public | True | | qos_specs_id | None | +---------------------------------+-------------------------------------------+ 2. Create a blank volume with type PLAT_PLAIN -- OPERATION SUCCESSSFUL ---------------------------------------------------------------------- stack@dev-master:~/devstack$ cinder create --name vol_a --volume-type PLAT_PLAIN 1 stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+-------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+-------------+----------+-------------+ | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+-------------+----------+-------------+ stack@dev-master:~/devstack$ cinder show vol_a +--------------------------------+--------------------------------------------------------------+ | Property | Value | +--------------------------------+--------------------------------------------------------------+ | attached_servers | [] | | attachment_ids | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2020-04-21T11:44:21.000000 | | description | None | | encrypted | False | | id | e0281f59-6550-421c-b408-fd9edc4e6c63 | | metadata | ArrayID : 000111222333 | | | ArrayModel : VMAX950F | | | CompressionDisabled : False | | | Configuration : TDEV | | | DeviceID : 004B6 | | | DeviceLabel : OS-e0281f59-6550-421c-b408-fd9edc4e6c63 | | | Emulation : FBA | | | ReplicationEnabled : False | | | ServiceLevel : Platinum | | | Workload : None | | migration_status | None | | multiattach | False | | name | vol_a | | os-vol-host-attr:host | dev-master@POWERMAX_ISCSI_NONE#Platinum+SRP_1+000111222333 | | os-vol-mig-status-attr:migstat | None | | os-vol-mig-status-attr:name_id | None | | os-vol-tenant-attr:tenant_id | 0f1c1416778d4af9b15055294375df6a | | replication_status | None | | size | 1 | | snapshot_id | None | | source_volid | None | | status | available | | updated_at | 2020-04-21T11:44:36.000000 | | user_id | 96f3d05f9afe43de8274253e1cfef666 | | volume_type | PLAT_PLAIN | +--------------------------------+--------------------------------------------------------------+ 3. Create another volume using vol_a as source with same volume type -- OPERATION SUCCESSSFUL --------------------------------------------------------------------------------------------- stack@dev-master:~/devstack$ cinder create --name vol_b --volume-type PLAT_PLAIN --source-volid e0281f59-6550-421c-b408-fd9edc4e6c63 1 stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+-------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+-------------+----------+-------------+ | cdc04381-29f7-45fe-8df0-149e38559084 | available | vol_b | 1 | PLAT_PLAIN | false | | | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+-------------+----------+-------------+ stack@dev-master:~/devstack$ cinder show vol_b +--------------------------------+--------------------------------------------------------------+ | Property | Value | +--------------------------------+--------------------------------------------------------------+ | attached_servers | [] | | attachment_ids | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2020-04-21T11:46:57.000000 | | description | None | | encrypted | False | | id | cdc04381-29f7-45fe-8df0-149e38559084 | | metadata | ArrayID : 000111222333 | | | ArrayModel : VMAX950F | | | CompressionDisabled : False | | | Configuration : TDEV | | | DeviceID : 00F3E | | | DeviceLabel : OS-cdc04381-29f7-45fe-8df0-149e38559084 | | | Emulation : FBA | | | ReplicationEnabled : False | | | ServiceLevel : Platinum | | | Workload : None | | migration_status | None | | multiattach | False | | name | vol_b | | os-vol-host-attr:host | dev-master@POWERMAX_ISCSI_NONE#Platinum+SRP_1+000111222333 | | os-vol-mig-status-attr:migstat | None | | os-vol-mig-status-attr:name_id | None | | os-vol-tenant-attr:tenant_id | 0f1c1416778d4af9b15055294375df6a | | replication_status | None | | size | 1 | | snapshot_id | None | | source_volid | e0281f59-6550-421c-b408-fd9edc4e6c63 | | status | available | | updated_at | 2020-04-21T11:47:19.000000 | | user_id | 96f3d05f9afe43de8274253e1cfef666 | | volume_type | PLAT_PLAIN | +--------------------------------+--------------------------------------------------------------+ 4. Create another volume using vol_a as source with no volume type specified, default VT gets selected POWERMAX_ISCSI_NONE -- OPERATION UNSUCCESSSFUL ----------------------------------------------------------------------------- stack@dev-master:~/devstack$ cinder create --name vol_c --source-volid e0281f59-6550-421c-b408-fd9edc4e6c63 1 OPERATION FAILS -- NO WEIGHED BACKENDS FOUND Apr 21 12:48:39 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.base_filter [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Filter CapabilitiesFilter returned 1 host(s) {{(pid=5579) get_filtered_objects /opt/stack/cinder/cinder/scheduler/base_filter.py:125}} Apr 21 12:48:39 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.filter_scheduler [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Filtered [host 'dev-master@POWERMAX_ISCSI_NONE#None+None+SRP_1+000111222333':free_capacity_gb: 95068.15999999999, total_capacity_gb: 98037.76,allocated_capacity_gb: 0, max_over_subscription_ratio: 20.0,reserved_percentage: 10, provisioned_capacity_gb: 19281.92,thin_provisioning_support: True, thick_provisioning_support: False,pools: None,updated at: 2020-04-21 11:48:10.300733] {{(pid=5579) _get_weighted_candidates /opt/stack/cinder/cinder/scheduler/filter_scheduler.py:348}} Apr 21 12:48:39 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.base_weight [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Weigher CapacityWeigher returned, weigher value is {max: 1931670.28, min: 1931670.28} {{(pid=5579) get_weighed_objects /opt/stack/cinder/cinder/scheduler/base_weight.py:153}} Apr 21 12:48:39 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.host_manager [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Weighed [WeighedHost [host: dev-master@POWERMAX_ISCSI_NONE#None+None+SRP_1+000111222333, weight: 0.0]] {{(pid=5579) get_weighed_backends /opt/stack/cinder/cinder/scheduler/host_manager.py:502}} Apr 21 12:48:39 dev-master cinder-scheduler[5579]: WARNING cinder.scheduler.filter_scheduler [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] No weighed backend found for volume with properties: {'id': '7c71f33f-fc8b-4ee0-b72f-ee73286e9cd1', 'name': 'POWERMAX_ISCSI_NONE', 'description': None, 'is_public': True, 'projects': [], 'extra_specs': {'volume_backend_name': 'POWERMAX_ISCSI_NONE', 'pool_name': 'None+None+SRP_1+000111222333'}, 'qos_specs_id': None, 'created_at': '2020-04-21T09:34:07.000000', 'updated_at': None, 'deleted_at': None, 'deleted': False} Apr 21 12:48:39 dev-master cinder-scheduler[5579]: INFO cinder.message.api [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Creating message record for request_id = req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 Apr 21 12:48:39 dev-master cinder-scheduler[5579]: ERROR cinder.scheduler.flows.create_volume [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Failed to run task cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: No valid backend was found. No weighed backends available: cinder.exception.NoValidBackend: No valid backend was found. No weighed backends available Apr 21 12:48:39 dev-master cinder-scheduler[5579]: DEBUG cinder.volume.flows.common [None req-3a3bcc8d-e7a5-4b11-907d-0eff231d81d6 admin None] Setting Volume 30ae1fbb-b962-471b-bc99-11d7a93dbf32 to error due to: No valid backend was found. No weighed backends available {{(pid=5579) error_out /opt/stack/cinder/cinder/volume/flows/common.py:83}} stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | 30ae1fbb-b962-471b-bc99-11d7a93dbf32 | error | vol_c | 1 | POWERMAX_ISCSI_NONE | false | | | cdc04381-29f7-45fe-8df0-149e38559084 | available | vol_b | 1 | PLAT_PLAIN | false | | | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ 5. Check POWERMAX_ISCSI_NONE is a valid volume-type -- OPERATION SUCCESSSFUL ---------------------------------------------------------------------------- stack@dev-master:~/devstack$ cinder create --name vol_d --volume-type POWERMAX_ISCSI_NONE 1 stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | 30ae1fbb-b962-471b-bc99-11d7a93dbf32 | error | vol_c | 1 | POWERMAX_ISCSI_NONE | false | | | 3d865c54-5ccc-4df9-b4b5-4ba22c994bfc | available | vol_d | 1 | POWERMAX_ISCSI_NONE | false | | | cdc04381-29f7-45fe-8df0-149e38559084 | available | vol_b | 1 | PLAT_PLAIN | false | | | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ stack@dev-master:~/devstack$ cinder show vol_d +--------------------------------+---------------------------------------------------------------+ | Property | Value | +--------------------------------+---------------------------------------------------------------+ | attached_servers | [] | | attachment_ids | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2020-04-21T11:51:32.000000 | | description | None | | encrypted | False | | id | 3d865c54-5ccc-4df9-b4b5-4ba22c994bfc | | metadata | ArrayID : 000111222333 | | | ArrayModel : VMAX950F | | | CompressionDisabled : True | | | Configuration : TDEV | | | DeviceID : 00F3F | | | DeviceLabel : OS-3d865c54-5ccc-4df9-b4b5-4ba22c994bfc | | | Emulation : FBA | | | ReplicationEnabled : False | | | ServiceLevel : None | | | Workload : None | | migration_status | None | | multiattach | False | | name | vol_d | | os-vol-host-attr:host | dev-master@POWERMAX_ISCSI_NONE#None+None+SRP_1+000111222333 | | os-vol-mig-status-attr:migstat | None | | os-vol-mig-status-attr:name_id | None | | os-vol-tenant-attr:tenant_id | 0f1c1416778d4af9b15055294375df6a | | replication_status | None | | size | 1 | | snapshot_id | None | | source_volid | None | | status | available | | updated_at | 2020-04-21T11:51:46.000000 | | user_id | 96f3d05f9afe43de8274253e1cfef666 | | volume_type | POWERMAX_ISCSI_NONE | +--------------------------------+---------------------------------------------------------------+ 6. Create another volume using vol_a as source with different volume type in command -- OPERATION UNSUCCESSSFUL --------------------------------------------------------------------------------------------------------------- stack@dev-master:~/devstack$ cinder create --name vol_e --volume-type BRONZE_PLAIN --source-volid e0281f59-6550-421c-b408-fd9edc4e6c63 1 OPERATION FAILS -- NO WEIGHED BACKENDS FOUND Apr 21 12:53:52 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.base_filter [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Filter CapabilitiesFilter returned 1 host(s) {{(pid=5579) get_filtered_objects /opt/stack/cinder/cinder/scheduler/base_filter.py:125}} Apr 21 12:53:52 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.filter_scheduler [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Filtered [host 'dev-master@POWERMAX_ISCSI_NONE#Bronze+SRP_1+000111222333':free_capacity_gb: 95068.15999999999, total_capacity_gb: 98037.76,allocated_capacity_gb: 0, max_over_subscription_ratio: 20.0,reserved_percentage: 10, provisioned_capacity_gb: 19281.92,thin_provisioning_support: True, thick_provisioning_support: False,pools: None,updated at: 2020-04-21 11:52:10.306777] {{(pid=5579) _get_weighted_candidates /opt/stack/cinder/cinder/scheduler/filter_scheduler.py:348}} Apr 21 12:53:52 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.base_weight [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Weigher CapacityWeigher returned, weigher value is {max: 1931670.28, min: 1931670.28} {{(pid=5579) get_weighed_objects /opt/stack/cinder/cinder/scheduler/base_weight.py:153}} Apr 21 12:53:52 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.host_manager [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Weighed [WeighedHost [host: dev-master@POWERMAX_ISCSI_NONE#Bronze+SRP_1+000111222333, weight: 0.0]] {{(pid=5579) get_weighed_backends /opt/stack/cinder/cinder/scheduler/host_manager.py:502}} Apr 21 12:53:52 dev-master cinder-scheduler[5579]: WARNING cinder.scheduler.filter_scheduler [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] No weighed backend found for volume with properties: {'id': '174f2d6b-672f-4da9-b09e-ee4ad8c2bf83', 'name': 'BRONZE_PLAIN', 'description': None, 'is_public': True, 'projects': [], 'extra_specs': {'volume_backend_name': 'POWERMAX_ISCSI_NONE', 'pool_name': 'Bronze+SRP_1+000111222333'}, 'qos_specs_id': None, 'created_at': '2020-04-21T11:24:34.000000', 'updated_at': None, 'deleted_at': None, 'deleted': False} Apr 21 12:53:52 dev-master cinder-scheduler[5579]: INFO cinder.message.api [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Creating message record for request_id = req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 Apr 21 12:53:52 dev-master cinder-scheduler[5579]: ERROR cinder.scheduler.flows.create_volume [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Failed to run task cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: No valid backend was found. No weighed backends available: cinder.exception.NoValidBackend: No valid backend was found. No weighed backends available Apr 21 12:53:52 dev-master cinder-scheduler[5579]: DEBUG cinder.volume.flows.common [None req-18cf9fea-657f-43dd-ad0c-a6bcda3405e7 admin None] Setting Volume 76156b62-a24e-40f3-88d2-8b30f6fe3823 to error due to: No valid backend was found. No weighed backends available {{(pid=5579) error_out /opt/stack/cinder/cinder/volume/flows/common.py:83}} stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | 30ae1fbb-b962-471b-bc99-11d7a93dbf32 | error | vol_c | 1 | POWERMAX_ISCSI_NONE | false | | | 3d865c54-5ccc-4df9-b4b5-4ba22c994bfc | available | vol_d | 1 | POWERMAX_ISCSI_NONE | false | | | 76156b62-a24e-40f3-88d2-8b30f6fe3823 | error | vol_e | 1 | BRONZE_PLAIN | false | | | cdc04381-29f7-45fe-8df0-149e38559084 | available | vol_b | 1 | PLAT_PLAIN | false | | | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ stack@dev-master:~/devstack$ cinder show vol_e +--------------------------------+--------------------------------------+ | Property | Value | +--------------------------------+--------------------------------------+ | attached_servers | [] | | attachment_ids | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2020-04-21T11:53:52.000000 | | description | None | | encrypted | False | | id | 76156b62-a24e-40f3-88d2-8b30f6fe3823 | | metadata | | | migration_status | None | | multiattach | False | | name | vol_e | | os-vol-host-attr:host | None | | os-vol-mig-status-attr:migstat | None | | os-vol-mig-status-attr:name_id | None | | os-vol-tenant-attr:tenant_id | 0f1c1416778d4af9b15055294375df6a | | replication_status | None | | size | 1 | | snapshot_id | None | | source_volid | e0281f59-6550-421c-b408-fd9edc4e6c63 | | status | error | | updated_at | 2020-04-21T11:53:52.000000 | | user_id | 96f3d05f9afe43de8274253e1cfef666 | | volume_type | BRONZE_PLAIN | +--------------------------------+--------------------------------------+ 7. Check BRONZE_PLAIN is a valid volume-type -- OPERATION SUCCESSSFUL --------------------------------------------------------------------- stack@dev-master:~/devstack$ cinder create --name vol_f --volume-type BRONZE_PLAIN 1 stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | 1b0f96e7-cf44-42ee-ad7e-2e9bd8b5c6b7 | available | vol_f | 1 | BRONZE_PLAIN | false | | | 30ae1fbb-b962-471b-bc99-11d7a93dbf32 | error | vol_c | 1 | POWERMAX_ISCSI_NONE | false | | | 3d865c54-5ccc-4df9-b4b5-4ba22c994bfc | available | vol_d | 1 | POWERMAX_ISCSI_NONE | false | | | 76156b62-a24e-40f3-88d2-8b30f6fe3823 | error | vol_e | 1 | BRONZE_PLAIN | false | | | cdc04381-29f7-45fe-8df0-149e38559084 | available | vol_b | 1 | PLAT_PLAIN | false | | | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ stack@dev-master:~/devstack$ cinder show vol_f +--------------------------------+------------------------------------------------------------+ | Property | Value | +--------------------------------+------------------------------------------------------------+ | attached_servers | [] | | attachment_ids | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2020-04-21T11:55:21.000000 | | description | None | | encrypted | False | | id | 1b0f96e7-cf44-42ee-ad7e-2e9bd8b5c6b7 | | metadata | ArrayID : 000111222333 | | | ArrayModel : VMAX950F | | | CompressionDisabled : False | | | Configuration : TDEV | | | DeviceID : 00F3A | | | DeviceLabel : OS-1b0f96e7-cf44-42ee-ad7e-2e9bd8b5c6b7 | | | Emulation : FBA | | | ReplicationEnabled : False | | | ServiceLevel : Bronze | | | Workload : None | | migration_status | None | | multiattach | False | | name | vol_f | | os-vol-host-attr:host | dev-master@POWERMAX_ISCSI_NONE#Bronze+SRP_1+000111222333 | | os-vol-mig-status-attr:migstat | None | | os-vol-mig-status-attr:name_id | None | | os-vol-tenant-attr:tenant_id | 0f1c1416778d4af9b15055294375df6a | | replication_status | None | | size | 1 | | snapshot_id | None | | source_volid | None | | status | available | | updated_at | 2020-04-21T11:55:36.000000 | | user_id | 96f3d05f9afe43de8274253e1cfef666 | | volume_type | BRONZE_PLAIN | +--------------------------------+------------------------------------------------------------+ 8. Create a volume in UI from source volume vol_a, cannot specify volume-type for this kind of UI request, default VT POWERMAX_ISCSI_NONE selected -- OPERATION UNSUCCESSSFUL ---------------------------------------------------------------------------------------------- OPERATION FAILS -- NO WEIGHED BACKENDS FOUND Apr 21 13:00:32 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.filter_scheduler [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] Filtered [host 'dev-master@POWERMAX_ISCSI_NONE#None+None+SRP_1+000111222333':free_capacity_gb: 95068.15999999999, total_capacity_gb: 98037.76,allocated_capacity_gb: 1, max_over_subscription_ratio: 20.0,reserved_percentage: 10, provisioned_capacity_gb: 19281.92,thin_provisioning_support: True, thick_provisioning_support: False,pools: None,updated at: 2020-04-21 12:00:10.789259] {{(pid=5579) _get_weighted_candidates /opt/stack/cinder/cinder/scheduler/filter_scheduler.py:348}} Apr 21 13:00:32 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.base_weight [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] Weigher CapacityWeigher returned, weigher value is {max: 1931670.28, min: 1931670.28} {{(pid=5579) get_weighed_objects /opt/stack/cinder/cinder/scheduler/base_weight.py:153}} Apr 21 13:00:32 dev-master cinder-scheduler[5579]: DEBUG cinder.scheduler.host_manager [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] Weighed [WeighedHost [host: dev-master@POWERMAX_ISCSI_NONE#None+None+SRP_1+000111222333, weight: 0.0]] {{(pid=5579) get_weighed_backends /opt/stack/cinder/cinder/scheduler/host_manager.py:502}} Apr 21 13:00:32 dev-master cinder-scheduler[5579]: WARNING cinder.scheduler.filter_scheduler [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] No weighed backend found for volume with properties: {'id': '7c71f33f-fc8b-4ee0-b72f-ee73286e9cd1', 'name': 'POWERMAX_ISCSI_NONE', 'description': None, 'is_public': True, 'projects': [], 'extra_specs': {'volume_backend_name': 'POWERMAX_ISCSI_NONE', 'pool_name': 'None+None+SRP_1+000111222333'}, 'qos_specs_id': None, 'created_at': '2020-04-21T09:34:07.000000', 'updated_at': None, 'deleted_at': None, 'deleted': False} Apr 21 13:00:32 dev-master cinder-scheduler[5579]: INFO cinder.message.api [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] Creating message record for request_id = req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 Apr 21 13:00:32 dev-master cinder-scheduler[5579]: ERROR cinder.scheduler.flows.create_volume [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] Failed to run task cinder.scheduler.flows.create_volume.ScheduleCreateVolumeTask;volume:create: No valid backend was found. No weighed backends available: cinder.exception.NoValidBackend: No valid backend was found. No weighed backends available Apr 21 13:00:32 dev-master cinder-scheduler[5579]: DEBUG cinder.volume.flows.common [None req-ef9d31e4-fa4a-43f8-88dc-407ec073d560 admin None] Setting Volume d6b36b26-b446-4369-8d44-1ccb47a79632 to error due to: No valid backend was found. No weighed backends available {{(pid=5579) error_out /opt/stack/cinder/cinder/volume/flows/common.py:83}} stack@dev-master:~/devstack$ cinder list +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | ID | Status | Name | Size | Volume Type | Bootable | Attached to | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ | 1b0f96e7-cf44-42ee-ad7e-2e9bd8b5c6b7 | available | vol_f | 1 | BRONZE_PLAIN | false | | | 30ae1fbb-b962-471b-bc99-11d7a93dbf32 | error | vol_c | 1 | POWERMAX_ISCSI_NONE | false | | | 3d865c54-5ccc-4df9-b4b5-4ba22c994bfc | available | vol_d | 1 | POWERMAX_ISCSI_NONE | false | | | 76156b62-a24e-40f3-88d2-8b30f6fe3823 | error | vol_e | 1 | BRONZE_PLAIN | false | | | cdc04381-29f7-45fe-8df0-149e38559084 | available | vol_b | 1 | PLAT_PLAIN | false | | | d6b36b26-b446-4369-8d44-1ccb47a79632 | error | vol_g | 1 | POWERMAX_ISCSI_NONE | false | | | e0281f59-6550-421c-b408-fd9edc4e6c63 | available | vol_a | 1 | PLAT_PLAIN | false | | +--------------------------------------+-----------+-------+------+---------------------+----------+-------------+ stack@dev-master:~/devstack$ cinder show vol_g +--------------------------------+--------------------------------------+ | Property | Value | +--------------------------------+--------------------------------------+ | attached_servers | [] | | attachment_ids | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2020-04-21T12:00:33.000000 | | description | | | encrypted | False | | id | d6b36b26-b446-4369-8d44-1ccb47a79632 | | metadata | | | migration_status | None | | multiattach | False | | name | vol_g | | os-vol-host-attr:host | None | | os-vol-mig-status-attr:migstat | None | | os-vol-mig-status-attr:name_id | None | | os-vol-tenant-attr:tenant_id | 0f1c1416778d4af9b15055294375df6a | | replication_status | None | | size | 1 | | snapshot_id | None | | source_volid | e0281f59-6550-421c-b408-fd9edc4e6c63 | | status | error | | updated_at | 2020-04-21T12:00:33.000000 | | user_id | 96f3d05f9afe43de8274253e1cfef666 | | volume_type | POWERMAX_ISCSI_NONE | +--------------------------------+--------------------------------------+ APPENDIX - ENVIRONMENT POOLS ============================ stack@dev-master:~/devstack$ cinder get-pools +----------+-------------------------------------------------------------+ | Property | Value | +----------+-------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+SRP_1+000111222333 | +----------+-------------------------------------------------------------+ +----------+--------------------------------------------------------------+ | Property | Value | +----------+--------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Platinum+SRP_1+000111222333 | +----------+--------------------------------------------------------------+ +----------+----------------------------------------------------------+ | Property | Value | +----------+----------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Gold+SRP_1+000111222333 | +----------+----------------------------------------------------------+ +----------+------------------------------------------------------------+ | Property | Value | +----------+------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Silver+SRP_1+000111222333 | +----------+------------------------------------------------------------+ +----------+------------------------------------------------------------+ | Property | Value | +----------+------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Bronze+SRP_1+000111222333 | +----------+------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Optimized+SRP_1+000111222333 | +----------+---------------------------------------------------------------+ +----------+----------------------------------------------------------+ | Property | Value | +----------+----------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#None+SRP_1+000111222333 | +----------+----------------------------------------------------------+ +----------+----------------------------------------------------------+ | Property | Value | +----------+----------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#NONE+SRP_1+000111222333 | +----------+----------------------------------------------------------+ +----------+------------------------------------------------------------------+ | Property | Value | +----------+------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+OLTP+SRP_1+000111222333 | +----------+------------------------------------------------------------------+ +----------+----------------------------------------------------------------------+ | Property | Value | +----------+----------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+OLTP_REP+SRP_1+000111222333 | +----------+----------------------------------------------------------------------+ +----------+-----------------------------------------------------------------+ | Property | Value | +----------+-----------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+DSS+SRP_1+000111222333 | +----------+-----------------------------------------------------------------+ +----------+---------------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+DSS_REP+SRP_1+000111222333 | +----------+---------------------------------------------------------------------+ +----------+------------------------------------------------------------------+ | Property | Value | +----------+------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+NONE+SRP_1+000111222333 | +----------+------------------------------------------------------------------+ +----------+------------------------------------------------------------------+ | Property | Value | +----------+------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Diamond+None+SRP_1+000111222333 | +----------+------------------------------------------------------------------+ +----------+-------------------------------------------------------------------+ | Property | Value | +----------+-------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Platinum+NONE+SRP_1+000111222333 | +----------+-------------------------------------------------------------------+ +----------+-------------------------------------------------------------------+ | Property | Value | +----------+-------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Platinum+None+SRP_1+000111222333 | +----------+-------------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Gold+NONE+SRP_1+000111222333 | +----------+---------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Gold+None+SRP_1+000111222333 | +----------+---------------------------------------------------------------+ +----------+-----------------------------------------------------------------+ | Property | Value | +----------+-----------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Silver+NONE+SRP_1+000111222333 | +----------+-----------------------------------------------------------------+ +----------+-----------------------------------------------------------------+ | Property | Value | +----------+-----------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Silver+None+SRP_1+000111222333 | +----------+-----------------------------------------------------------------+ +----------+-----------------------------------------------------------------+ | Property | Value | +----------+-----------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Bronze+NONE+SRP_1+000111222333 | +----------+-----------------------------------------------------------------+ +----------+-----------------------------------------------------------------+ | Property | Value | +----------+-----------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Bronze+None+SRP_1+000111222333 | +----------+-----------------------------------------------------------------+ +----------+--------------------------------------------------------------------+ | Property | Value | +----------+--------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Optimized+NONE+SRP_1+000111222333 | +----------+--------------------------------------------------------------------+ +----------+--------------------------------------------------------------------+ | Property | Value | +----------+--------------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#Optimized+None+SRP_1+000111222333 | +----------+--------------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#NONE+NONE+SRP_1+000111222333 | +----------+---------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#NONE+None+SRP_1+000111222333 | +----------+---------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#None+NONE+SRP_1+000111222333 | +----------+---------------------------------------------------------------+ +----------+---------------------------------------------------------------+ | Property | Value | +----------+---------------------------------------------------------------+ | name | dev-master@POWERMAX_ISCSI_NONE#None+None+SRP_1+000111222333 | +----------+---------------------------------------------------------------+