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Maintaining Mirrored Systems 
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Adding new disks to a nonstandard mirrored system
66
Adding new disks to a nonstandard mirrored system
3
A “nonstandard” disk drive addition is one that cannot take advantage of 
advanced features of the 
olds setup scripts because the disk 
configuration is not standard. The procedure is as follows:
1. Turn off CMS. (From the command line, enter the
 cmsadm 
or
 
cmssvc 
command, and select the 
cms_run
 option. When the run
 
option menu displays, select
 Turn off cms
.)
2. Halt the system by entering the following command:
3. Install the new disk drives by plugging them into the appropriate 
empty drive slots.
Follow the instructions you received with the disk drives or with your 
basic system, or see the hardware installation or maintenance and 
troubleshooting document for your platform and version of CMS.
4. Reboot the system by entering the following command:
5. Determine the total amount of disk space available to /cms by 
entering the following command:
The system responds by displaying file system information for /cms. 
For example:
Check the response. Look for the “avail” figure for 
/cms (shown as 
“yyyyyy” in the example above). Record that figure here:
/cms “avail” figure:
______________________
6. Partition the new disks. Follow the instructions in 
. Double check the partitioning 
before continuing.
#
/usr/sbin/shutdown
-y
-g0
-i0
ok
boot
-r
#
df
-k
/cms
Filesystem
kbytes
used
avail
capacity
Mounted on
/dev/md/dsk/d21
xxxxxxxx
9
yyyyyy
0%
/cms