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Maintaining Mirrored Systems CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Adding new disks to a nonstandard mirrored system 67
7. Add the
olds
directories to your path:
8. Create new versions of the setup files by entering the following
command:
<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:
9. Load the file
/olds/md.tab.new
into an editor and check to make
certain it names all
of your disks, including the ones you just added.
(For an example of the format of an md.tab file, see “Examples of
valid system files” on page 79.)
10. Save a copy of the existing
md.tab
file by entering the following
command:
11. Replace the existing
md.tab
file with the one you created in Step 8:
12. Attach one of the newly installed disk drives to each of the d21
submirrors (d19 and d20):
where
<newdisk1>
and
<newdisk2>
represent the device names of
the disk drives you have just added. For example:
# PATH=$PATH:/usr/opt/SUNWmd/sbin:/olds
# export PATH
# 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 /olds/md.tab.new /etc/opt/SUNWmd/md.tab
# metattach d19
<newdisk1>
# metattach d20
<newdisk2>
# metattach d19 c0t10d0s1
# metattach d20 c0t11d0s1