user manual

247Creating volumes

Creating a volume on specific disks

Figure 7-3 Example of using concatenated disk space to create a mirrored-

stripe volume

Other storage specification classes for controllers, enclosures, targets and trays

can be used with ordered allocation. For example, the following command

creates a 3-column mirrored-stripe volume between specified controllers:

# vxassist -b -g mydg -o ordered make mirstr2vol 80g \

layout=mirror-stripe ncol=3 \

ctlr:c1 ctlr:c2 ctlr:c3 ctlr:c4 ctlr:c5 ctlr:c6

This command allocates space for column 1 from disks on controllers c1, for

column 2 from disks on controller c2, and so on as illustrated in Figure 7-4.

Mirrored-stripe volume

Striped plex

Mirror

Column 1

Column 2

mydg01-01

mydg02-01

mydg05-01

mydg06-01

mydg03-01

mydg04-01

mydg07-01

mydg08-01