Lucent Technologies 585-210-940 User Manual

Page of 106
 
 
Maintaining Mirrored Systems 
CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Adding new disks to a standard mirrored system
64
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:
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 
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