HP 11i Manual do Utilizador descarregar pdf (Página 270)

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271Administering volumes

Starting a volume

Starting a volume makes it available for use, and changes the volume state from

DISABLED or DETACHED to ENABLED. To start a DISABLED or DETACHED

volume, use the following command:

# vxvol [-g diskgroup] start volume ...

If a volume cannot be enabled, it remains in its current state.

To start all DISABLED or DETACHED volumes in a disk group, enter:

# vxvol -g diskgroup startall

Alternatively, to start a DISABLED volume, use the following command:

# vxrecover -g diskgroup -s volume ...

To start all DISABLED volumes, enter:

# vxrecover -s

To prevent any recovery operations from being performed on the volumes,

additionally specify the

-n option to vxrecover.

Adding a mirror to a volume

A mirror can be added to an existing volume with the vxassist command, as

follows:

# vxassist [-b] [-g diskgroup] mirror volume

Note: If specified, the -b option makes synchronizing the new mirror a

background task.

For example, to create a mirror of the volume voltest in the disk group, mydg,

use the following command:

# vxassist -b -g mydg mirror voltest

Another way to mirror an existing volume is by first creating a plex, and then

attaching it to a volume, using the following commands:

# vxmake [-g diskgroup] plex plex sd=subdisk ...

# vxplex [-g diskgroup] att volume plex

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