From: Ron House <house@usq.edu.au>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: hdparm and removable IDE?
Date: Fri, 28 Mar 2003 13:03:42 +1000 [thread overview]
Message-ID: <3E83BB8E.6050303@usq.edu.au> (raw)
In-Reply-To: 1048689184.31839.7.camel@irongate.swansea.linux.org.uk
Alan Cox wrote:
> On Wed, 2003-03-26 at 04:41, Ron House wrote:
>
>>The scenario: I have a ViPower hot-swap mobile rack for swapping IDE HDs
>>on the fly. I am assuming that this device properly disconnects the
>>hardware and that I am faced with a software problem. Our technical
>>staff tell me that they have 'tested' hot swapping under RedHat 7.3
>>(Kernel 2.4.18-3) and it 'works'. In other words, they unmounted,
>>swapped, and mounted a new disk and didn't observe data loss. I am sure
>
>
> IDE hotswap at drive level is not supported by Linux. It might work ok.
> Providing you shut the drive down fully and flush the cache before you
> unregister/unplug and replug before registering the new interface
Thanks Alan. What is needed to do this? Is umounting and then
unregistering with hdparm -U enough to do this, or is something else needed?
--
Ron House house@usq.edu.au
http://www.sci.usq.edu.au/staff/house
next prev parent reply other threads:[~2003-03-28 2:48 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-26 4:41 hdparm and removable IDE? Ron House
2003-03-26 14:33 ` Alan Cox
2003-03-26 18:11 ` Bill Davidsen
2003-03-28 3:21 ` Ron House
2003-03-28 14:04 ` Jeremy Jackson
2003-03-28 16:55 ` Alan Cox
2003-03-29 11:34 ` Andre Hedrick
2003-03-31 4:41 ` Ron House
2003-03-31 9:30 ` John Bradford
2003-03-31 11:08 ` Alan Cox
2003-03-31 11:21 ` John Bradford
2003-03-31 11:43 ` Alan Cox
2003-03-31 19:14 ` Bill Davidsen
2003-03-31 20:48 ` Jeremy Jackson
2003-03-28 3:03 ` Ron House [this message]
2003-03-28 17:17 ` Alan Cox
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