Lucent Technologies 585-210-940 manual Set up the /cms mirror, Installing Mirrored Systems

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

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:

#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	Start Block	Dbase State Hot Spare
c0t1d0s3	0	No	Okay
Stripe 1:
Device	Start Block	Dbase State Hot Spare
c0t3d0s1	0	No	Okay

#

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