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vxrootadm - create boot disk snapshots
vxrootadm
[-v]
[-g srcdg]
[-s srcdisk]
mksnap
targetdisk
targetdg
The
vxrootadm
utility performs basic administrative operations on encapsulated boot disks.
Operations include taking snapshots of a boot disk and growing boot volumes.
The first operand is a keyword that determines the operation.
The remaining operands specify the configuration objects to which the
operation is to be applied.
Not more than one instance of the utility can be executed at anytime.
Each operation can be applied to only one disk group and one source
disk at a time.
The source disk can be the current boot disk by default or another
boot disk in a different disk group. If the source disk is ambiguous,
a combination of the options
-g
and
-s
is necessary.
-
srcdisk
-
Specifies the source disk.
-
srcdg
-
Specifies the source disk group.
-
targetdisk
-
Specifies the target disk.
-
targetdg
-
Specifies the target disk group.
vxrootadm requires the Storage Foundation Enterprise license.
The specified target disk must be a bootable disk.
-
mksnap
-
Makes a snapshot of a boot disk for safekeeping in case of failure
to the source disk.
The
targetdisk
must have enough capacity
to store all volumes on the source disk.
The
targetdisk
should not be in use.
The
vxrootadm
command sets up
and adds the disk to the source disk group.
vxrootadm
mirrors all the volumes from the source disk onto the
targetdisk,
then the
targetdisk
splits from the source disk group and
vxrootadm
creates a new
targetdg.
-
-g
-
Specifies the source disk group.
-
-s
-
Specifies the source disk.
-
-v
-
Verbose mode.
Displays current status and other utilities that are called during
execution of
vxrootadm.
Take a snapshot of the boot disk in the disk group,
mydg,
and put a snapshot of the boot disk on the
targetdisk
in the new disk group,
mynewdg:
-
\f(CW# vxrootadm -g mydg mksnap sda mynewdg
-
-
/etc/vx/reconfig.d/state.d/vxrootadm
-
Directory containing the saved file and state information.
vxassist(1M),
vxbootsetup(1M),
vxdg(1M),
vxdisk(1M),
vxmirror(1M),
vxplex(1M),
vxprint(1M)
Last updated: 17 Jul 2008
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