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Maintaining Mirrored Systems CentreVu CMS Release 3 Version 8 Disk-Mirrored Systems
Replacing a faulty disk 71
Step 3: Detach the
submirrors
3
To detach a submirror means to put it off line so you can access its
constituent disk drives. You detach a submirror with a
metadetach
command. The command is in the format:
metadetach
<metamirror> <submirror>
where
<metamirror>
is the mirror and
<submirror>
is the submirror to be
detached.
To continue our example, since c0t2d0 is part of d20, which is a submirror
of d21, the detach command would be as follows:
If the faulty disk is a boot disk, a
metastat
command also shows the
disk as part of the d11 or d12 submirror. Be sure to detach both the
submirrors of which it is a member. For example:
# metadetach d21 d20
d21: submirror d20 is detached
# metadetach d13 d12
d13: submirror d12 is detached
# metadetach d21 d20
d21: submirror d20 is detached