From owner-freebsd-hackers  Tue Jul 27  0:28:32 1999
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From: Soren Schmidt <sos@freebsd.dk>
Message-Id: <199907270728.JAA11713@freebsd.dk>
Subject: Re: hot-swapping ata disks
In-Reply-To: <379CDF04.334D0A6F@bulinfo.net> from Iani Brankov at "Jul 27, 1999  1:19:48 am"
To: ian@bulinfo.net (Iani Brankov)
Date: Tue, 27 Jul 1999 09:28:09 +0200 (CEST)
Cc: freebsd-hackers@FreeBSD.ORG
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It seems Iani Brankov wrote:
[Charset koi8-r unsupported, filtering to ASCII...]
> Hi,
> I tried 'camcontrol rescan' and I found it works when I add a SCSI device while
> the system is on. I find it useful for adding/removing devices w/o restarting
> the box. (Maybe it's risky, but useful. I supposed that's the idea of the
> 'rescan' command in camcontrol)
> 
> Is there a way to do the same with the new 'ata' code. (I know IDE isn't SCSI
> anyway).

I have some experimental code that enables one to do this, but it is not
without risk as the IDE channels are not designed for this. You also need
to put the disk in a drawer that is able to shut off power etc so you
dont burn any electronics while changing the drive. Once I get a little
time I'll celan this up and make it available...

-Søren


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