Lucent Technologies 585-210-940 User Manual

Page of 106
 
 
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