Veritas™ File System 5.0.1 Administrator's Guide

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If the disk layout version is less than 6, upgrade to Version 7. For example,
if the disk layout version is 4, upgrade to Version 7 as follows:
# vxupgrade -n 5 /mnt1
# vxupgrade -n 6 /mnt1
# vxupgrade -n 7 /mnt1
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Unmount the file system:
# umount /mnt1
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Convert the volume into a volume set:
# vxvset -g dg1 make vset1 vol1
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Edit the /etc/fstab file to replace the volume device name, vol1, with the
volume set name, vset1.
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Mount the file system:
# mount -F vxfs /dev/vx/dsk/dg1/vset1 /mnt1
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As necessary, create and add volumes to the volume set:
# vxassist -g dg1 make vol2 256M
# vxvset -g dg1 addvol vset1 vol2
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Set the placement class tags on all volumes that do not have a tag:
# vxvoladm -g dg1 settag vol1 vxfs.placement_class.tier1
# vxvoladm -g dg1 settag vol2 vxfs.placement_class.tier2
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Add the new volumes to the file system:
# fsvoladm add /mnt1 vol2 256m
Removing a volume from a multi-volume file system
Use the fsvoladm remove command to remove a volume from a multi-volume file
system. The fsvoladm remove command fails if the volume being removed is the
only volume in any allocation policy.
Multi-volume file systems
Removing a volume from a multi-volume file system
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