[102568] in RedHat Linux List
Re: SCSI hot swap questions
daemon@ATHENA.MIT.EDU (Toby Herring)
Thu Dec 3 21:17:38 1998
Reply-To: "Toby Herring" <therring@syncroflo.com>
From: "Toby Herring" <therring@syncroflo.com>
To: <redhat-list@redhat.com>
Date: Thu, 3 Dec 1998 21:12:21 -0500
Resent-From: redhat-list@redhat.com
Theoretically, any SCSI drive can be installed in a hot-swap chassis.
However, to prevent damage to the drive, you need a SCSI adapter that allows
you to "down" the drive prior to removal, and bring it "up" after you insert
it. You also need the appropriate software to use this feature of the card.
Note that hot-swap is normally a feature found only on RAID hardware, and to
the best of my knowledge, there are very few RAID adapters that are natively
supported in Linux, and none of those provide feature software for Linux.
However, Adaptec has recently decided to jump on the "Linux bandwagon" and
is providing more support for their various adapters under Linux.
Hopefully, in the near future, Adaptec will be providing Linux drivers and
software for some or all of their RAID adapters.
--
Toby Herring
IS Coordinator
SyncroFlo, Inc.
-----Original Message-----
From: Eric Bohn <ebohn@apci.net>
To: redhat-list@redhat.com <redhat-list@redhat.com>
Date: Thursday, December 03, 1998 6:49 PM
Subject: SCSI hot swap questions
>I currently run a duel boot Linux/Win98 machine. I would like to upgrade
to
>SCSI and am looking for hardware to support a single hot swappable drive as
>well as the main drive. Can someone tell me if this is possible?
>
>I want to have it so that I can do a complete HD backup from one harddrive
>to another. I would be doing this from Linux on a nightly basis.
>Therefore, I would plug in the extra drive at night so that the backup
would
>be done by morning and I would then unplug the drive.
>
>Would I need any specific hardware to do this? Does the card itself have
to
>support hot swapping or will any card work? Does the harddrive have to
>support hot swapping? I've seen hot swap UW SCSI drive bays for sale but
>will any UW SCSI harddrive work in them? Will I need to do this through
>Win98 instead of Linux?
>
>If anyone has any experience in doing this please respond.
>
>Thanks,
>
>- Eric
>
>
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