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Appendix E Basic Size and MWC Input Condition for RAID Groups
E.1 Basic Size for each RAID Group
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
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E.1.3 Basic Size When Stripe Depth is Tuned (For Standard, TPV, or SDPV Type
Volumes)
Refer to the following table for the basic size of RAID groups when the Stripe Depth value is changed:
■ Basic size of each RAID group when the Stripe Depth value is tuned
RAID type Drive configuration
(*1)
Basic size (MB)
(Lowest exact MB multiple) (*2)
When the Stripe Size is ...
128KB 256KB 512KB 1024KB
High Performance (RAID1+0)
2D+2M 1112
3D+3M 3333
4D+4M 1124
5D+5M 5555
6D+6M 3336
7D+7M 7777
8D+8M 1248
9D+9M 9999
10D+10M 5 5 5 10
High Performance (RAID1+0)
11D+11M 11 11 11 11
12D+12M 3 3 6 12
13D+13M 13 13 13 13
14D+14M 7 7 7 14
15D+15M 15 15 15 15
16D+16M 2 4 8 16
High Capacity (RAID5)
2D+1P 111–
3D+1P 333–
4D+1P 112–
5D+1P 55––
6D+1P 33––
7D+1P 77––
8D+1P 12––
9D+1P 9–––
10D+1P 5–––
11D+1P 11 – – –
12D+1P 3–––
13D+1P 13 – – –
14D+1P 7–––
15D+1P 15 – – –