Sun Microsystems Netra X4200 M2, Service Manual

Page: 210 / 222

194 Netra X4200 M2 Server Service Manual • May 2007
RAID Level Support
The following items describe the RAID level support for these servers:
■
RAID 1 (mirroring) is supported.
■
RAID 0 (striping) is supported.
■
LSI RAID 1E or IME (mirroring over more than two drives) is not supported.
■
RAID 0+1 and 1+0 are not supported by the SAS1064 controller.
RAID Volume Support
The following items describe the RAID volumes supported for these servers:
■
Up to two active RAID volumes are supported per system (RAID 0, RAID 1 or
both).
■
A striped volume (RAID 0) can contain up to four disk drives.
■
A mirrored volume (RAID 1) can contain up to two disk drives.
■
One disk drive can be set up as hot-spare for a RAID 1 array (one hot-spare disk
per controller maximum).
■
Volumes are transparent to the OS and are seen as a single physical disk drive no
matter how many drives they contain.
RAID Combination Support
Possible RAID Combinations in a four-HDD server are listed below:
■
Two drives RAID 0 + two drives non-RAID
■
Two drives RAID 1 + two drives non-RAID
■
Two drives RAID 0 + two drives RAID 1
■
Two drives RAID 0 + two drives RAID 0
■
Two drives RAID 1 + Two drives RAID 1
■
Three drives RAID 0 + one drive non-RAID
■
Four drives RAID 0
■
Two drives RAID 1 + one hot-spare drive + one drive non-RAID
■
Four drives non-RAID