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Create different layout volumes using vxassist command

The “vxassist” Utility

Syntax: vxassist –g diskgroup make volname length [attributes]

# vxassist –g datadg make vol1 50m

# vxassist –g datadg make vol1 50m datadg01

# vxassist –g datadg make vol1 500m layout=stripe

# vxassist –g datadg make vol1 500m layout=stripe stripeunit=64k

# vxassist –g datadg make vol1 200m layout=mirror disk01 disk02

veritas volume manager remove volumes

Syntax : vxassist –g diskgroup remove volume volname

Example One.

# vxassist –g oradg remove volume oravol1

Example Two.

# vxedit –rf rm oravol

The above command will complete remove all the underlying plexes and subdisks of the volume “oravol”

veritas volume manager – Add mirror volume

Syntax : vxassist –g diskgroup mirror volume_name

Example:

# vxassist –g oradg mirror oracle

The above command mirrors the oracle volume

# vxassist –g oradg mirror oracle oradg01

The above command mirrors oracle volume on to the disk oradg01

# vxmirror –g oradg –a

The above command mirrors all the unmirrored volumes in oradg

Enable disk in Veritas Volume Manager

Enabling a disk

If you move a disk from one system to another during normal system operation, VxVM does not recognize the disk automatically. The enable disk task enables VxVM to identify the disk and to determine if this disk is part of a disk group. Also, this task re-enables access to a disk […]

Reattaching Failed Disks in Veritas Volume Manager

Veritas volume manager troubleshooting guide info.

Reattaching failed disks You can perform a reattach operation if a disk could not be found at system startup, or if VxVM is started with some disk drivers unloaded and unloadable (causing disks to enter the failed state). If the underlying problem has been fixed (such as a cable […]