Performing Common Tasks
Note: In some operating systems, deleting an array and associated
logical drives might change the drive letters assigned to the
existing drives.
Redefining Space in an Array
You can redefine space in a disk array in a number of ways. For
example, you can combine a number of small logical drives to create
a larger one, or you can redefine the existing logical drive into
several smaller drives. Also, you can install additional hard disk
drives and create a larger logical drive than was possible with the
existing storage capacity.
One method to redefine space in an array is to change the RAID
level assigned to a logical drive. For example, if you assigned RAID
level 1 to a logical drive and then decided you needed the capacity
offered with RAID level 5, you can use this procedure to replace the
existing logical drive with a logical drive assigned the new RAID
level.
To redefine the space in a disk array, first you must delete the array.
In all cases, when you delete an array, all the data and programs in
the array are lost.
If you have data and programs that you want to save, they must be
backed up and then restored. You might want to use a high-speed
backup device, such as a tape drive, for that purpose.
To redefine the space in an array:
Note: You need a 3.5-inch, formatted diskette to backup the
configuration file, as described in this procedure.
1. Back up all data and programs in the array.
2. If needed, install additional hard disk drives.
See “Hard Disk Drive Capacities” on page 82 for information
about drive sizes.
Attention: In all cases, when you delete an array, all the data
and programs in the array are lost.
102 PC Server 520 User's Handbook for PCI/EISA
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