Fujitsu ETERNUS DX60 S3 - Page 1069

Appendix F Basic Size and MWC Input Condition for RAID Groups
F.2 Input Conditions for MWC
ETERNUS Web GUI User’s Guide (Settings)
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*1: D: Data drives, M: Mirror drives, P: Parity drives, –: Stripe Depth cannot be changed
■ Allowed Input for MWC when the Stripe Depth value is tuned (TPP)
*1: D: Data drives, M: Mirror drives, P: Parity drives, –: Stripe Depth cannot be changed
High Performance
(RAID1+0)
2D+2M 1 – 8 (4) 1 – 4 (4) 1 – 2 (2) 1 (fixed)
3D+3M 1 – 5 (3) 1 – 2 (2) 1 (fixed) 1 (fixed)
4D+4M 1 – 4 (2) 1 – 2 (2) 1 (fixed) 1 (fixed)
5D+5M 1 – 3 (2) 1 (fixed) 1 (fixed) 1 (fixed)
6D+6M 1 – 2 (2) 1 (fixed) 1 (fixed) 1 (fixed)
7D+7M 1 – 2 (2) 1 (fixed) 1 (fixed) 1 (fixed)
8D+8M 1 – 2 (1) 1 (fixed) 1 (fixed) 1 (fixed)
9D+9M – 16D+16M 1 (fixed) 1 (fixed) 1 (fixed) 1 (fixed)
High Capacity (RAID5)
2D+1P 1 – 4 (4) 1 – 2 (2) 1 (fixed) –
3D+1P 1 – 4 (3) 1 – 2 (2) 1 (fixed) –
4D+1P 1 – 4 (2) 1 – 2 (2) 1 (fixed) –
5D+1P 1 – 3 (2) 1 (fixed) – –
6D+1P 1 – 2 (2) 1 (fixed) – –
7D+1P 1 – 2 (2) 1 (fixed) – –
8D+1P 1 – 2 (1) 1 (fixed) – –
9D+1P – 15D+1P 1 (fixed) – – –
RAID level Drive configuration
(*1)
Allowed input for MWC (initial state)
When the Stripe Depth is ...
128KB 256KB 512KB 1024KB
RAID level Drive configuration
(*1)
Allowed input for MWC (initial state)
When the Stripe Depth is ...
128KB 256KB 512KB 1024KB
Striping (RAID0) 4D 1 – 4 (2) 1 – 2 (2) 1 (fixed) 1 (fixed)
High Performance
(RAID1+0)
2D+2M 1 – 8 (4) 1 – 4 (4) 1 – 2 (2) 1 (fixed)
4D+4M 1 – 4 (2) 1 – 2 (2) 1 (fixed) 1 (fixed)
8D+8M 1 – 2 (1) 1 (fixed) 1 (fixed) 1 (fixed)
12D+12M 1 (fixed) 1 (fixed) 1 (fixed) 1 (fixed)
High Capacity (RAID5)
3D+1P 1 – 4 (3) 1 – 2 (2) 1 (fixed) –
4D+1P 1 – 4 (2) 1 – 2 (2) 1 (fixed) –
7D+1P 1 – 2 (2) 1 (fixed) – –
8D+1P 1 – 2 (1) 1 (fixed) – –
12D+1P 1 (fixed) – – –