Installation guide

• To use nonreserved disks to create a 1024 Kb volume in the dg1 disk

group, enter the following command:

# volassist -g dg1 make vol02 1024k

• To create a volume on a speciﬁed disk in the rootdg disk group, enter

the following command:

# volassist -g rootdg make vol03 200000s rz7

• To use nonreserved disks to create a 200,000 sector volume in the

rootdg disk group and exclude the rz9 disk, enter the following

command:

# volassist -g rootdg make vol03 200000s !rz9

• To create a 20 MB striped volume from the rootdg disk group using

three LSM disks with a stripe width of 64 Kb (the default), enter the

following command:

# volassist -g rootdg make vol04 20m layout=stripe nstripe=3

8.6.5 Mirroring a Volume

Once a volume is created and enabled, use the volassist utility to create

and attach new plexes to the volume.

• The following command creates three plexes of the vol02 volume in the

dg1 disk group. The command is executed in the background because it

may take a long time for the command to complete:

# volassist -g dg1 mirror vol02 nmirror=3 &

• The following command creates a 30 MB mirrored volume named vol05

from the rootdg disk group. The mirror=yes option speciﬁes the

number of mirrors as two. This is the default.

# volassist -g rootdg make vol05 30m mirror=yes

8.6.6 Changing the Size of a Volume

You can use the volassist utility to increase or decrease the size of a

volume. To change the size of a volume, use the following examples as

guidelines:

• Enter the following command to increase the size of the vol01 volume

by 2 MB:

# volassist growby vol01 2m

• Enter the following command to decrease the size of the vol01 volume

by 1024 Kb:

Administering the Logical Storage Manager 8–17