Fujitsu DX80 S2/DX90 S2 Manual Do Utilizador
Appendix E Basic Size and MWC Input Condition for RAID Groups
E.2 Input Conditions for MWC
E.2 Input Conditions for MWC
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED
P2X0-1090-10ENZ0
1009
*1: D: Data
drives,
M: Mirror drives, P: Parity
drives
E.2.2
Allowed Input for the MWC when Performance is Tuned
Refer to the following table for the allowed MWC value when the Stripe Depth value is changed:
■
Allowed Input for MWC when the Stripe Depth value is tuned (Volume)
*1: D: Data
drives,
M: Mirror drives, P: Parity
drives, –
:
Stripe Depth cannot be changed
High Reliability (RAID6)
4D+2P
1 – 8 (2)
6D+2P
1 –- 5 (2)
8D+2P
1 – 4 (1)
RAID type
Drive configuration (*1)
Allowed input for MWC (initial state)
Stripe Depth = 64KB (default)
RAID type
Drive configuration
(*1)
Allowed input for MWC (initial state)
When the Stripe Size is ...
128KB
256KB
512KB
1024KB
Striping (RAID0)
2D
1 – 8 (4)
1 – 4 (4)
1 – 2 (2)
1 (fixed)
3D
1 – 5 (3)
1 – 2 (2)
1 (fixed)
1 (fixed)
4D
1 – 4 (2)
1 – 2 (2)
1 (fixed)
1 (fixed)
5D
1 – 3 (2)
1 (fixed)
1 (fixed)
1 (fixed)
6D
1 – 2 (2)
1 (fixed)
1 (fixed)
1 (fixed)
7D
1 – 2 (2)
1 (fixed)
1 (fixed)
1 (fixed)
8D
1 – 2 (1)
1 (fixed)
1 (fixed)
1 (fixed)
9D – 16D
1 (fixed)
1 (fixed)
1 (fixed)
1 (fixed)
High Performance
(RAID1+0)
(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)
–
–
–