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Chapter 5 Volume Management
5.2 Functions in the Action Area for Volume
Input conditions for Multi Writeback Count
The setting values that are available for Multi Writeback Count vary depending on the RAID level
and drive configuration.
RAID level
RAID0
RAID1
RAID1+0
RAID5
RAID5+0
RAID6
Drive configuration
2D
3D
4D
5D
6D
7D
8D
9D
10D
11D - 16D
1D+1M
2D+2D
3D+3D
4D+4D
5D+5D
6D+6D
7D+7D
8D+8D
9D+9D
10D+10D
11D+11D - 16D+16D
2D+1P
3D+1P
4D+1P
5D+1P
6D+1P
7D+1P
8D+1P
9D+1P
10D+1P
11D+1P - 15D+1P
(2D+1P) x2
(3D+1P) x2
(4D+1P) x2
(5D+1P) x 2 - (15D+1P) x 2
3D+2P
4D+2P
5D+2P
6D+2P
100
ETERNUS Web GUI User's Guide
Copyright 2011 FUJITSU LIMITED
Initial state
Allowed input
4
1 - 16
3
1 - 10
2
1 - 8
2
1 - 6
2
1 - 5
2
1 - 4
1
1 - 4
1
1 - 3
1
1 - 3
1
1 - 2
8
1 - 16
4
1 - 16
3
1 - 10
2
1 - 8
2
1 - 6
2
1 - 5
2
1 - 4
1
1 - 4
1
1 - 3
1
1 - 3
1
1 - 2
4
1 - 8
3
1 - 8
2
1 - 8
2
1 - 6
2
1 - 5
2
1 - 4
1
1 - 4
1
1 - 3
1
1 - 3
1
1 - 2
4
4 (fixed)
2
2 (fixed)
2
2 (fixed)
1
1 (fixed)
3
1 - 8
2
1 - 8
2
1 - 6
2
1 - 5
P2X0-1090-02ENZ0
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