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Maintaining Mirrored Systems CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Adding new disks to a standard mirrored system 65
13. Add the new disks to the existing metadevices by entering the
following command:
(where, again,
<newdisk1>
and
<newdisk2>
are the device names
of the disks you have added).
The system responds with the following:
14. Restart CMS by entering the
cmsadm
or
cmssvc
command and
selecting the
cms_run
option. When the run
option menu displays,
select
start cms
.
15. Check the available disk space by entering a
df -k
command. For
example:
Compare the
avail
figure for
/cms
to the figure you recorded in
Step 8
; it should show an increase roughly equal to one-half of the
total capacity of the drives added.
# olds -mirrored -setup
<newdisk1> <newdisk2>
Warning: Current Disk has mounted partitions.
device: c0t6d0 will not be used
. . .
d19: component is attached
d20: component is attached
...
d21: submirror d20 is attached
Success, growing d21
Success, the capacity of the /cms mirror has increased.
#
#df-k
Filesystem kbytes used avail capacity Mounted on
/dev/md/dsk/d13 772038 538683 156155 78% /
/proc 0 0 0 0% /proc
fd 0 0 0 0% /dev/fd
/dev/md/dsk/d21 3059955 192497 4967458 7% /cms