SANRAD I3.1.1205 - Manual (Page 111)

Chapter 6: Volume Configuration 6-19
10
0
2 4
Virtual
Volume
Physical
Volume
Mirrored
Volume
B1 B2 B3 B4
Disk 1
S10 S11 S9 S12
S6 S7 S5 S8
S14 S15 S13 S16
S2 S3 S1 S4
S10 S11 S9 S12
S6 S7 S5 S8
S14 S15 S13 S16
S2 S3 S1 S4
Disk 2
Figure 6-13. Mirrored Volume Block Distribution
volume create mirror
You need to define four parameters to create a mirrored volume:
S WITCH P ARAMETER D EFINITION S TATUS E XAMPLE
–vol V OLUME ALIAS USER - ASSIGNED
ALAIS FOR THE
MIRRORED VOLUME
MANDATORY Mirrored1
-nbc NUMBER OF
CHILDREN
NUMBER OF
CHILDREN IN
MIRRORED VOLUME
OPTIONAL
DEFAULT : 2
MAX : 4
–ch CHILD NAME OF EACH
CHILD TO INCLUDE
IN THE MIRROR MANDATORY Simple6
–ch CHILD NAME OF EACH
CHILD TO INCLUDE
IN THE MIRROR MANDATORY Simple11
Example:
If you are working in
a V-Switch cluster,
this volume must be
configured on both
V-Switches.
In Figure 6-14, a mirrored volume, Mirrored 1, is created using two
children, Simple 6 and Simple 11.
volume create mirror –vol Mirrored1 –ch Simple6 –ch
Simple11