From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-raid@vger.kernel.org
Subject: Re: SW-RAID 1 and kernel 2.4.18
Date: 26 Nov 2002 14:52:38 -0800 [thread overview]
Message-ID: <as0tvm$lu$1@cesium.transmeta.com> (raw)
In-Reply-To: 3DE3CC8D.2080104@mvista.com
Followup to: <3DE3CC8D.2080104@mvista.com>
By author: Steven Dake <sdake@mvista.com>
In newsgroup: linux.dev.raid
>
> IDE was not designed to hotswap. The trays are not "hot swappable" in
> that they can only be swapped while the system is off.
>
There are IDE cards which can tristate -- effectively disconnect -- their
outputs. Some of them can even control the power to the drive. Such
drives are safe to hotswap, if they have been disconnected before
removing them. This requires driver support, however, and I'm not
sure if Linux has that.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2002-11-26 22:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-11-26 13:56 SW-RAID 1 and kernel 2.4.18 SCHEP. - Schepke, Arnt
2002-11-26 19:33 ` Steven Dake
2002-11-26 22:52 ` H. Peter Anvin [this message]
2002-11-26 23:05 ` Alvin Oga
2002-12-03 16:01 ` some IDE trays are bad (was Re: SW-RAID 1 and kernel 2.4.18) Louis-David Mitterrand
2002-12-03 21:06 ` Maurice Hilarius
2002-12-03 22:10 ` Gregory Leblanc
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