Encrypted Volume and File System v1.1 Administrator's Guide

# vxplex -g testdg dis -v vol05 vol05-02
# vxmake -g testdg -U gen vol backupvol plex=vol05-02
# vxvol -g testdg start backupvol
# evfsvol map /dev/vx/dsk/testdg/backupvol
# evfsvol check -r /dev/evfs/vx/dsk/testdg/backupvol
# evfsvol raw /dev/evfs/vx/dsk/testdg/backupvol (EVFS prompts if you want to continue.)
# dd bs=64k if=/dev/evfs/vx/dsk/testdg/backupvol of=/dev/rmt/0m
# evfsvol close /dev/evfs/vx/dsk/testdg/backupvol
# evfsadm unmap /dev/evfs/vx/dsk/testdg/backupvol
# vxvol -g testdg stop backupvol
# vxplex -g testdg -v backupvol dis vol05-02
# vxplex -g testdg -v vol05 att vol05-02
# vxassist -g testdg remove volume backupvol
114 Backing Up and Restoring Data on EVFS Volumes