Openstack无法删除存储卷

Openstack ⽆法删除存储卷

报错⽇志

[root@st-controller03 ~]# tailf /var/log/cinder/volume.log

2021-05-31 16:39:31.710 22870 WARNING cinder.volume.drivers.rbd [req-902b0232-155f-4a65-9796-bcb20d70f716

083a5c802fc748658db1821f3f778ddf dd3bc80d13fb431bacc466cbaaf7dbd7 - - -] ImageBusy error raised while deleting rbdvolume. This may have been caused by a connection from a client that has crashed and, if so, may be resolved by retrying thedelete after 30 seconds has elapsed.

2021-05-31 16:39:31.715 22870 ERROR cinder.volume.manager [req-902b0232-155f-4a65-9796-bcb20d70f716083a5c802fc748658db1821f3f778ddf dd3bc80d13fb431bacc466cbaaf7dbd7 - - -] Unable to delete busy volume.找到没有连接的卷，闲置的表现故障是删除这个卷之后显⽰删除成功，但是之后还是显⽰可⽤，⽇志有上⾯的提⽰。

[root@st-controller01 ~]# cinder list|grep ava

| 1a318065-c649-4d6a-883a-5fe442e1fb79 | available | | 22 | - | true | || da605031-49d3-49c9-9b7d-968b100dcb87 | available | | 54 | - | true | || edf140c7-afdc-4e8f-a105-7881106d785a | available | | 43 | - | true | |

在存储集群中找打这个卷

[root@st-ceph01 ~]# rbd ls -p volumes |grep da605031-49d3-49c9-9b7d-968b100dcb87volume-da605031-49d3-49c9-9b7d-968b100dcb87

查看卷的信息

[root@st-ceph01 ~]# rbd info volume-da605031-49d3-49c9-9b7d-968b100dcb87 -p volumesrbd image 'volume-da605031-49d3-49c9-9b7d-968b100dcb87': size 54GiB in 13824 objects order 22 (4MiB objects)

block_name_prefix: rbd_data.2be40e33483d1e format: 2

features: layering, exclusive-lock, object-map, fast-diff, deep-flatten flags:

create_timestamp: Wed Feb 10 23:51:03 2021 # 有⼀个快照

parent: volumes/0ad7ae89-8b34-4db4-a873-7904c46ce17b@snap overlap: 50GiB

# 查看这个卷有没有客户端，如果有可以吧客户端断开之后再删除，⽐如rbd map

[root@st-ceph01 ~]# rbd status volume-da605031-49d3-49c9-9b7d-968b100dcb87 -p volumesWatchers: none

# 查看快照信息，可以看出这个快照，并且是受保护状态，如果要删除，确定对集群不会产⽣影响，删除快照再删除块设备即可。[root@st-ceph01 ~]# rbd info volumes/0ad7ae89-8b34-4db4-a873-7904c46ce17b@snaprbd image '0ad7ae89-8b34-4db4-a873-7904c46ce17b': size 50GiB in 6400 objects order 23 (8MiB objects)

block_name_prefix: rbd_data.2b6dd7341ee655 format: 2

features: layering, exclusive-lock, object-map, fast-diff, deep-flatten flags:

create_timestamp: Wed Feb 10 23:18:07 2021 protected: True

处理⽅法⼆

# 查看快照的⼦信息，

[root@st-ceph01 ~]# rbd children volumes/0ad7ae89-8b34-4db4-a873-7904c46ce17b@snapvolumes/volume-da605031-49d3-49c9-9b7d-968b100dcb87# 直接吧这个快照给独⽴出来成为⼀个单独的rbd

[root@st-ceph01 ~]# rbd flatten volumes/volume-da605031-49d3-49c9-9b7d-968b100dcb87Image flatten: 34% complete...# 然后，在删除镜像就可以了。

[root@st-ceph01 ~]# rbd info volume-da605031-49d3-49c9-9b7d-968b100dcb87 -p volumesrbd image 'volume-da605031-49d3-49c9-9b7d-968b100dcb87': size 54GiB in 13824 objects order 22 (4MiB objects)

block_name_prefix: rbd_data.2be40e33483d1e format: 2

features: layering, exclusive-lock, object-map, fast-diff, deep-flatten flags:

create_timestamp: Wed Feb 10 23:51:03 2021

查看块设备实际占⽤⼤⼩

rbd diff volumes/volume-14b85304-b5cf-4005-a846-2e1858368c28 | awk '{ SUM += $2 } END { print SUM/1024/1024 \" MB\" }'