Root mirroring in SVM, in Veritas ?

Question Posted / p.sekhar.1984

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Root mirroring in SVM, in Veritas ?..

Answer / pawan

its for SVM only what about veritas...
for Veritas choose first run vxdiskadm command then choose
option 6 for mirroring.

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Root mirroring in SVM, in Veritas ?..

Answer / saravanan

SVM

first we take backup /etc/system and /etc/vfstab file
copy some size of two hard disk using prtvtoc cmd with
fmthard -s -

then create 3 replica using metadb -a -f -c c#t0d#s#
C#t1d#s# c#t2d#s#
create primary submirror metainit d21 1 1 c#t#d3s#
create 2nd submir metainit d22 1 1 c#t#d#s#
mappingg primry mir metainit d20 -m d21
metaroot d20 ( update /eyc/system to /etc/vfstab)
metaattach d20 d22

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Root mirroring in SVM, in Veritas ?..

Answer / sreenath

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Root mirroring in SVM, in Veritas ?..

Answer / deepak kumar

In SVM, get new disk and partion the new disk same as boot
disk

# prtvtoc /dev/rdsk/<> |fmthard -s - <new_disk>
# create meta with metainit command and do metattach with
all volumes

# On root partion, run metaroot command to convert it under
meta. Also need to edit /etc/system with set
md:mirrored_root_flag=1

with veritas root mirroring.

1. Iniitalize the both disk under veritas and add into root
disk group
2. once initialize, encapsulate the disk so that no data to
be lost.

3. use vxrootmir command or vxdiskadm and option 6.