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List:       opensolaris-lvm-discuss
Subject:    Re: [lvm-discuss] disk replacement ?
From:       John Wren Kennedy <jwk () sun ! com>
Date:       2006-08-16 16:45:15
Message-ID: 20060816164515.GB29494 () melkor ! boulder ! Central ! Sun ! COM
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Hi Leon,

> > my volume is built as a concatenation of several LUNs (disks).
> > Is it possible to replace one disk [b]online[/b] - without stopping the I/O - by \
> > mirroring it to another one ?
> 
> Yep.  Provided the disk you're worried about lasts through the
> mirroring procedure, you should be all set.  You can replace the
> disk without taking an outage.

Just to clarify one possible point of confusion:  You need to
make a mirror of the entire concatenation for this to work; you
can't just mirror the one disk in question.  So for this to work,
you need to have free storage available equal to the size of your
concatenation.

--
John Wren Kennedy
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