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Installing Mirrored Systems CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
How to upgrade an Enterprise platform to disk mirroring 24
Step 9: Set up the
/cms
mirror 2
1. Edit
/etc/vfstab.
Copy the d19 entry to the succeeding line. Then
comment out the original and change “d19” to “d21”. For example:
---------------- /etc/vfstab - EXAMPLE ONLY -----------------
...
#/dev/md/dsk/d19 /dev/md/rdsk/d19 /cms ufs 2 yes -
/dev/md/dsk/d21 /dev/md/rdsk/d21 /cms ufs 2 yes
-------------------------------------------------------------
2. Save the
/etc/vfstab
file and exit the editor.
3. Alter your path:
4. Activate the new metadevice (d20):
5. Verify that d20 is active:
6. Initialize the newly created mirror (d21):
7. Attach the new metadevice (d20) to the newly created mirror (d21):
8. Reboot the system by entering the following command:
# export PATH=$PATH:/usr/opt/SUNWmd/sbin:/olds
# metainit d20
d20: Concat/stripe is set up
#
# metastat d20
d20: Concat/Stripe
Size: 14398560 blocks
Stripe 0:
Device Start Block Dbase State Hot Spare
c0t1d0s3 0 No Okay
Stripe 1:
Device Start Block Dbase State Hot Spare
c0t3d0s1 0 No Okay
#
# metainit -f d21
d21: Concat/stripe is set up
#
# metattach d21 d20
d21: submirror d20 is attached
#
# /usr/sbin/shutdown -y -i6 -g0