Lucent Technologies CentreVu Release 3 Version 8 Disk-Mirrored Systems User Manual page 70

Maintaining Mirrored Systems
Adding new disks to a standard mirrored system
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
6. Reboot the system and log in as the root user:
ok boot -r
. . .
<hostname> login: root
password: <password>
. . .
#
7. Partition the new disks by following the instructions in
disks with the format command" on page
8. Check disk space by entering a df -k command. For example:
# df -k
Filesystem
/dev/md/dsk/d13
/proc
fd
/dev/md/dsk/d21
#
Record the avail figure for /cms here: ______________________
9. Create new versions of the setup files by entering the following
commands:
# cd /olds
# olds -mirrored -mk_files
<newdisk1> and <newdisk2> represent the device names of the
disk drives added (remember that in a mirrored system, disk drives
are always added in pairs). For example:
# olds -mirrored -mk_files c0t10d0 c0t11d0
10. Load the file /etc/opt/SUNWmd/md.tab.new into an editor and make
certain it names all of your disks, including the ones you just added.
(For an example of the md.tab file format, see
system files" on page
11. Save a copy of the existing md.tab file by entering the following
command:
# cp /etc/opt/SUNWmd/md.tab /etc/opt/SUNWmd/md.tab.mirror
12. Replace the existing md.tab file with the one you created in
# cp /etc/opt/SUNWmd/md.tab.new /etc/opt/SUNWmd/md.tab
kbytes used avail
772038 538683 156155
0 0
0 0
3059955 192497 2867458
79.)
"Partitioning
76.
capacity Mounted on
78% /
0 0% /proc
0 0% /dev/fd
7% /cms
<newdisk1> <newdisk2>
"Examples of valid
Step
64
10: