Step 9: Set Up The /Cms Mirror - Lucent Technologies CentreVu Release 3 Version 8 Disk-Mirrored Systems User Manual

Installing Mirrored Systems
How to upgrade an Enterprise platform to disk mirroring
Step 9: Set up the
/cms mirror
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
1. Edit /etc/vfstab. Copy the d19 entry to the succeeding line. Then
comment out the original and change "d19" to "d21". For example:
2
---------------- /etc/vfstab - EXAMPLE ONLY -----------------
. . .
#/dev/md/dsk/d19
/dev/md/dsk/d21
-------------------------------------------------------------
2. Save the /etc/vfstab file and exit the editor.
3. Alter your path:
# export PATH=$PATH:/usr/opt/SUNWmd/sbin:/olds
4. Activate the new metadevice (d20):
# metainit d20
d20: Concat/stripe is set up
#
5. Verify that d20 is active:
# metastat d20
d20: Concat/Stripe
Size: 14398560 blocks
Stripe 0:
Device
c0t1d0s3
Stripe 1:
Device
c0t3d0s1
#
6. Initialize the newly created mirror (d21):
# metainit -f d21
d21: Concat/stripe is set up
#
7. Attach the new metadevice (d20) to the newly created mirror (d21):
# metattach d21 d20
d21: submirror d20 is attached
#
8. Reboot the system by entering the following command:
# /usr/sbin/shutdown -y -i6 -g0
/dev/md/rdsk/d19
/dev/md/rdsk/d21
Start Block Dbase State Hot Spare
0 No
Start Block Dbase State
0 No
/cms ufs 2 yes
/cms ufs 2 yes
Okay
Hot Spare
Okay
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