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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 “Partitioning disks
with the format command” on page 76. 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