Tape backup operation can be performed in units of the following:
Slice (GDS Snapshot not used)
Note
Backup in units of logical volumes is not possible.
The Tape Backup function of AdvancedCopy Manager cannot handle the following SDX object (volume):
Volume of a shadow class
Stripe volume
Switch volume
Volume in a concatenation group
Stripe groups and concatenation groups, however, can be used as subordinate groups of a mirror group.
Volume with the physical slice attribute off
If the total number of slices that make up the transaction volume and slices that make up all backup volumes associated with the transaction volume at the start of synchronous processing or snapshot-type backup processing is 33 or greater, copying cannot be processed.
Also, if the source volume (the transaction volume for backup processing or the backup volume for restore processing) is in the invalid state, copying cannot be processed.
Point
To confirm the type of volume being used (single, mirror, stripe, concatenation, or switch), execute "sdxinfo -e long" and see the volume type attribute, which is displayed in the TYPE column on the line indicated for the volume in the OBJ column.
[Volume object type attributes]
single : Single volume (supported)
mirror : Mirror volume (supported)
stripe : Stripe volume (not supported)
concat : Volume in a concatenation group (not supported)
switch : Switch volume (not supported)
