Delete or detach volume fails in SVC
You might encounter issues when you attempt to delete or detach a volume in SVC.
2022-05-05 04:36:17.639 3342605 ERROR oslo_messaging.rpc.server stdout: 2022-05-05 04:36:17.639 3342605 ERROR oslo_messaging.rpc.server stderr: CMMVC8478E The mapping cannot be removed because the volume being unmapped has received I/O within the defined volume protection period.
Volume protection prevents active volumes or host mappings from being deleted inadvertently if the system detects recent I/O activity. This global setting is enabled by default on new systems. For more details check Volume protection.
To resolve this issue, disable volume protection and retry deleting or detaching a volume.
IBM_Storwize:Cluster_9.x.x.x:superuser>svctask chsystem -vdiskprotectionenabled no IBM_Storwize:Cluster_9.x.x.x:superuser>lssystem | grep vdisk space_allocated_to_vdisks 1.96TB total_vdiskcopy_capacity 7.59TB total_vdisk_capacity 7.59TB vdisk_protection_time 15 vdisk_protection_enabled no automatic_vdisk_analysis_enabled on IBM_Storwize:Cluster_9.x.x.x:superuser>