IBM TOTAL STORAGE DS8000 - Manual (Page 91)

CMUG00024E You must select at least one volume to complete the
operation.
Explanation
Selecting one or more volumes is required for this operation. No volume is selected.
Action
Select at least one volume.
CMUG00025W Volumes will be deleted. Select OK to delete the
volumes. Select Cancel to cancel the operation.
Explanation
You are being asked to confirm that you want to delete the selected volumes.
Action
Select OK to delete the volumes. Select Cancel to cancel the operation.
CMUG00026E You must select one extent pool.
Explanation
You must select an extent pool to continue. No extent pool is selected.
Action
Select an extent pool.
CMUG00027E VALUE_0 must be between VALUE_1 and VALUE_2.
Explanation
The entered value must be within the specified range in the message.
Action
Enter a value within the specified range.
CMUG00028E The ratio of alias volumes to base volumes must be
expressible in whole numbers. Fractional ratios are not permitted.
Explanation
You can specify more aliases than base volumes, or you can specify more base
volumes than aliases. In either case, the larger number must be evenly divisible by
the smaller number, with no remainder.
You can assign 4 aliases to 1 base volume. The ratio is 4:1. You can assign 1 alias
to 3 base volumes. The ratio is 1:3. You cannot assign 2 aliases to 5 base volumes.
The ratio is 1:2.5.
Chapter 3. DS Storage Manager messages 71