Fujitsu Eternus web GUI - Page 100

Chapter 5 Volume Management
5.2 Functions in the Action Area for Volume
ETERNUS Web GUI User’s Guide
100
Copyright 2011 FUJITSU LIMITED P2X0-1090-02ENZ0
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 Drive configuration Initial state Allowed input
RAID0
2D 4 1 - 16
3D 3 1 - 10
4D 2 1 - 8
5D 2 1 - 6
6D 2 1 - 5
7D 2 1 - 4
8D 1 1 - 4
9D 1 1 - 3
10D 1 1 - 3
11D - 16D 1 1 - 2
RAID1 1D+1M 8 1 - 16
RAID1+0
2D+2D 4 1 - 16
3D+3D 3 1 - 10
4D+4D 2 1 - 8
5D+5D 2 1 - 6
6D+6D 2 1 - 5
7D+7D 2 1 - 4
8D+8D 1 1 - 4
9D+9D 1 1 - 3
10D+10D 1 1 - 3
11D+11D - 16D+16D 1 1 - 2
RAID5
2D+1P 4 1 - 8
3D+1P 3 1 - 8
4D+1P 2 1 - 8
5D+1P 2 1 - 6
6D+1P 2 1 - 5
7D+1P 2 1 - 4
8D+1P 1 1 - 4
9D+1P 1 1 - 3
10D+1P 1 1 - 3
11D+1P - 15D+1P 1 1 - 2
RAID5+0
(2D+1P) x2 4 4 (fixed)
(3D+1P) x2 2 2 (fixed)
(4D+1P) x2 2 2 (fixed)
(5D+1P) x 2 - (15D+1P) x 2 1 1 (fixed)
RAID6
3D+2P 3 1 - 8
4D+2P 2 1 - 8
5D+2P 2 1 - 6
6D+2P 2 1 - 5