From: Johannes Stezenbach <js@convergence.de>
To: Mike Black <mblack@csi-inc.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Hotswap IDE
Date: Fri, 6 Feb 2004 00:39:34 +0100 [thread overview]
Message-ID: <20040205233934.GC10450@convergence.de> (raw)
In-Reply-To: <000701c3ebe6$ac5b35d0$c8de11cc@black>
Mike Black wrote:
> I use a removable IDE chassis to allow me to mirror my primary drive for offsite storage.
> I'd like to hotswap the IDE but can't seem to get the drive to allow DMA access after restarting it.
> A reboot is necessary for DMA access.
> I'm using idectl from hdparm-5.4 which generates the following hdparm commands:
> /sbin/hdparm -U 1 /dev/hda
> /sbin/hdparm -R 0x170 0 0 /dev/hda
I haven't tried myself, but Alan Cox did:
Linux 2.4.22-rc2-ac3
o Finish off the core IDE hotplug support (me)
| If your hardware supports it you can now
| hdparm -b0 /dev/hdc change drive hdparm -b1 /dev/hdc
Maybe that works better than -U/-R ?
Johannes
next prev parent reply other threads:[~2004-02-05 23:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-05 12:50 Hotswap IDE Mike Black
2004-02-05 23:39 ` Johannes Stezenbach [this message]
2004-02-06 19:02 ` Bill Davidsen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20040205233934.GC10450@convergence.de \
--to=js@convergence.de \
--cc=linux-kernel@vger.kernel.org \
--cc=mblack@csi-inc.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.