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How to configure root mirroring in veritas volume manager
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Answer Posted / mahender reddy
we have 2 ways to configure the root mirroring in veritas
1.use vxdisadm
2.vxencap (encpsulation the disk)
mostly we are using the vxencap because vxdiskadm is the
lenthy process
===================
PROCEDURE
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1.take the onther disk egual size of root disk
2.for example the 2 disks c1t0d0(root disk) and c1t2d0
3.encaplating the root disk
vxencap -c -f -g <diskgroupname> sliced d0=c1t0d0
4.reboot the server
reboot the server only modify the disk in vfstab and in
etcsysem
5.take the second disk under control of veritas
vxdisksetup -i c1t2do
vxdg -g <diskgroupname> adddisk c1t2d0
6.add the mirror disk to root disk
vxmirror -g <diskgroup name> c1t0d0 c1t2d0
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