VxVM vxassist ERROR V-5-1-438 Cannot allocate space to replace subdisks
VxVM vxevac ERROR V-5-2-3537 Aborting disk evacuation
Since the LUNs have thin reclamation enabled, the 'vxevac' command (which triggers 'vxassist' command as well) requires the relevant filesystem on the corresponding volume to be mounted.
After mounting the relevant filesystem, the 'vxevac -g dg source_dm target_dm' command completed susccessfully without any errors.
Applies To
As per 'vxdisk list' command, the LUNs have thin reclamation enabled.