Lucent Technologies 585-210-940 User Manual
Maintaining Mirrored Systems
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Adding new disks to a standard mirrored system
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6. Reboot the system and log in as the root user:
7. Partition the new disks by following the instructions in
.
8. Check disk space by entering a
df -k
command. For example:
Record the
avail figure for /cms here: ______________________
9. Create new versions of the setup files by entering the following
commands:
<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:
disk drives added (remember that in a mirrored system, disk drives
are always added in pairs). For example:
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
(For an example of the md.tab file format, see
11. Save a copy of the existing
md.tab file by entering the following
command:
12. Replace the existing
md.tab file with the one you created in
:
ok
boot
-r
.
.
.
<hostname> login:
root
password:
<password>
.
.
.
#
#
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 2867458
7%
/cms
#
#
cd
/olds
#
olds
-mirrored
-mk_files
<newdisk1> <newdisk2>
#
olds
-mirrored
-mk_files
c0t10d0
c0t11d0
#
cp
/etc/opt/SUNWmd/md.tab
/etc/opt/SUNWmd/md.tab.mirror
#
cp
/etc/opt/SUNWmd/md.tab.new
/etc/opt/SUNWmd/md.tab