A.Backup the filesystem and recreate smaller
B.Use the chfs to reduce the filesystem size
C.Use cplv to copy filesystem to smaller size
D.Use migratepv to copy filesystem to smaller size

A.Both options back up user and partition profile data. Only the Backup Critical Console Data backs up TCP/IP settings or preferences
B.Both options back up partition profile information. Only the Backup Critical Console Data backs up service function settings, such as Inventory Scout, Service Agent, and Service Focal Point
C.The Backup Critical Console Data should be performed just before the HMC software update operation. The Save Upgrade Data should be performed each time configuration changes are made to the system or the HMC
D.The Save Upgrade Data should be performed just before the HMC software update operation. The Backup Critical Console Data should be performed each time configuration changes are made to the system or the HMC