Nothing in your bug report is related to Glance. If Glance were to use another backend, you could still show the same commands and the same outputs. Your issue is with Cinder itself.
I will mark this as Invalid, feel free to reopen if I'm wrong. ** Changed in: glance Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to Glance. https://bugs.launchpad.net/bugs/1990946 Title: Dell PowerFlex: Size shown for a volume doesn't match powerflex backend allocation Status in Cinder: New Status in Glance: Invalid Bug description: Description When creating a volume, powerflex will round the value of the capacity by a multiple of 8GB leaving inconsistency between cinder which shows the value requested by the user and powerflex which shows the current allocation. Step to reproduce Create a volume with a size different from 8GB multiplier stack@SRA-Left-Openstack1:~/devstack$ openstack volume create --size 3 --type powerflex test_vol_pflex /usr/lib/python3/dist-packages/secretstorage/dhcrypto.py:15: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead from cryptography.utils import int_from_bytes /usr/lib/python3/dist-packages/secretstorage/util.py:19: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead from cryptography.utils import int_from_bytes +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | attachments | [] | | availability_zone | nova | | bootable | false | | consistencygroup_id | None | | created_at | 2022-09-27T09:05:36.735298 | | description | None | | encrypted | False | | id | ebcc7949-2777-4841-9001-6da2b081b6d2 | | migration_status | None | | multiattach | False | | name | test_vol_pflex | | properties | | | replication_status | None | | size | 3 | | snapshot_id | None | | source_volid | None | | status | creating | | type | powerflex | | updated_at | None | | user_id | cf67ca76a2924d21988a3d21101324dd | +---------------------+--------------------------------------+ stack@SRA-Left-Openstack1:~/devstack$ openstack volume list /usr/lib/python3/dist-packages/secretstorage/dhcrypto.py:15: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead from cryptography.utils import int_from_bytes /usr/lib/python3/dist-packages/secretstorage/util.py:19: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead from cryptography.utils import int_from_bytes +--------------------------------------+----------------+-----------+------+-------------------------------------+ | ID | Name | Status | Size | Attached to | +--------------------------------------+----------------+-----------+------+-------------------------------------+ | ebcc7949-2777-4841-9001-6da2b081b6d2 | test_vol_pflex | available | 3 | | | 048a3748-8517-48df-9d37-e16ec2789408 | vol_pflex4 | in-use | 8 | Attached to server1 on /dev/vdb | | 470839d8-bfcf-45c5-ba9f-e6608c42bc49 | voltosnap | available | 9 | | | 620b2198-47bc-4d2a-9a60-2df4c35e91f4 | | in-use | 9 | Attached to serversnap on /dev/vda | | 24e11e0b-44ad-4bee-9dc9-09e64f9413a1 | vol_pflex3 | available | 9 | | | aadf3632-8419-47a2-bbe7-950b51f93fae | vol_pflex3 | error | 8 | | | 4c6092bd-75c0-4546-9360-e3e0ef224779 | vol_pflex2 | in-use | 8 | Attached to server1 on /dev/vda | | 80e0751c-4849-4981-a7cc-2b98d7d360ea | vol_pflex | available | 10 | | +--------------------------------------+----------------+-----------+------+-------------------------------------+ This introduces multiple side effects: 1. Allocation capacity not being monitored correctly 2. Extension of volume withing the same range will fail as the volume is already at that size (Example: volume extenstion from 5 to 7, backend already set to 8) 3. Quota also affected This bug consolidates other bugs opened for various behavior but still happens because of the same issue: https://bugs.launchpad.net/cinder/+bug/1915015 https://bugs.launchpad.net/cinder/+bug/1935028 https://bugs.launchpad.net/cinder/+bug/1952355 To manage notifications about this bug go to: https://bugs.launchpad.net/cinder/+bug/1990946/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp