Fujitsu DX8100 S2 Manual Do Utilizador

ETERNUS Web GUI User’s Guide

Copyright 2013 FUJITSU LIMITED

P2X0-1090-10ENZ0

Appendix E  

Basic Size and MWC Input Condition for RAID 

Groups

This chapter describes the basic size for each RAID type and the input conditions for the Multi Writeback Count
(MWC) of each RAID group.

E.1

Basic Size for each RAID Group

This section describes the basic size for each RAID type.
The allowed input for the basic size varies depending on the RAID type, the drive configuration, and the Stripe
Depth value.

E.1.1

Basic Size when Using the Default Stripe Depth Value (For Standard, TPV, or 
SDPV Type Volumes)

When using the default Stripe Depth value, refer to the following table for basic size:

■

Basic size of each RAID group when using the default Stripe Depth value

RAID type

Drive configuration (*1)

Basic size (MB) (Lowest exact MB multiple) (*2)

(Stripe Depth = 64KB (default))

Mirroring (RAID1)

1D+1M

1

High Performance 
(RAID1+0)

2D+2M

1

3D+3M

3

4D+4M

1

5D+5M

5

6D+6M

3

7D+7M

7

8D+8M

1

9D+9M

9

10D+10M

5

11D+11M

11

12D+12M

3

13D+13M

13

14D+14M

7

15D+15M

15

16D+16M

1