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Date:      Sat, 03 Dec 2005 16:00:40 -0800
From:      "M. Royce" <mroyce@gmail.com>
To:        freebsd-geom@freebsd.org
Subject:   gmirror forget question - why forget gm0 instead of ad4?
Message-ID:  <6.2.5.6.2.20051203155803.05950eb0@baac.net>

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I want to be sure I understand how to replace a drive if it fails now 
that I have gmirror working. I don't understand the forget command.

I saw this in comments section of Ralf's web page about gmirror:

--------
If a drive fails (eg. drive /dev/ad4):

# gmirror forget gm0
# shutdown -h

replace the drive with a fresh one

# gmirror insert gm0 /dev/ad4

And it should start synchronizing if autosynchronization is turned on.
--------

Why do you forget gm0? I would think if ad4 failed I'd "forget /dev/ad4".

would really appreciate a brief explanation.

thanks!
Royce



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