Never specify an ID for a GPT disk. Use the create partition EFI and create partition
MSR as needed to set up GPT disks. When working with an MBR disk, you can use the ID
to set the disk type. The MBR values include C12A7328-F81F-11D2-BA4B-00A0C93EC93B (EFI
system partition), E3C9E316-0B5C-4DB8-817D-F92DF00215AE (MSR partition), EBD0A0A2-B9E5-
4433-87C0-68B6B72699C7 (basic data partition), 5808C8AA-7E8F-42E0-85D2-E1E90434CFB3
(LDM Metadata partition on a dynamic disk), and AF9B60A0-1431-4F62-BC68-3311714A69AD
(LDM Data partition on a dynamic disk). The align argument specifies the alignment of the primary
partition on a disk that isn??™t cylinder aligned. You normally use this value for hardware
Redundant Array of Inexpensive Disks (RAID) setups to improve performance. The value is the
number of kilobytes from the beginning of the disk to the closest alignment boundary.
create volume raid [size=N] disk=N,N,N[,N,...] [noerr] Creates a RAID-5 volume
based on three or more dynamic disks. The utility automatically changes focus to the new
volume once the system creates it. The size argument specifies the amount of space that the
232 CHAPTER 9 MANAGING THE HARD DRIVE
RAID-5 volume consumes on each drive.
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