[lug] ide hotswap

[Nate Duehr]

How cheap?

If it was less than $50 it was probably built for cold-swap only.  I have two of the $15 ones you can find at places
like Micro Center / CompUSA and they work great, but they're definitely cold-swap only.  All they have inside is a
cable header for the IDE bus and a multipin connector the drive bay passes through the data on.  There's a small fan
for cooling and a power connector to the PC and inside the bay one to the drive.  There's no electronics or IDE
chipsets in it.

Nate WY0X

j davis wrote:

> yes , i am sure the drive is ment for at least warm swap, i dont really need
> hot swap, i decided do to my accendital formating of important partitons i
> am
> going to have a "warp swap" setup with my ftp box, ill swap the drive to my
> new box to update it or when i need a iso to burn, otherwise my data archive
> will
> remain on my ftp box, not on my dev box :) i just want warm swap so i dont
> have
> to transfer 600 meg files, even on lan this takes..6-8 min, and i dont want
> any
> important data, even a copy, on my dev box unless its being used in a
> current
> project.anyway.....im sure the bay is ment for warm-hotswap, it was really
> cheap,
> so if anyone knows of a quality ,reliable, tested warm-swap ide setup could
> you please let me know.
>
> also...i always umount before swap
>
> thanks,
> jd
>
> >From: "D. Stimits" <stimits at idcomm.com>
> >Reply-To: lug at lug.boulder.co.us
> >To: lug at lug.boulder.co.us
> >Subject: Re: [lug] ide hotswap
> >Date: Sun, 02 Jun 2002 16:34:00 -0600
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> >j davis wrote:
> > >
> > > Hi,
> > > i have a ide hotswap bay. I tried it on a old p1 running rh7.1 the
> > > drive would work fine untill i tried to hot swap it. Would comeout
> > > ok but when i tried to remount i get message in /var/log/messages that
> > > mk kernel seems to have a problem giving the drive a irq or something.
> > > I am reinstalling my main box with7.3. I would like to put a 40 gig ibm
> > > drive in the hotswap bay and use it for a production ftp server. I would
> > > like to hear anyones experience with ide hotswap.
> > >
> > > thanks
> > > jd
> > >
> >
> >Not all removeable bays are capable of hotswap or warmswap. Warm swap
> >means an unmounted drive can be added or removed while power is on, hot
> >swap requires software in addition to warm swap, to deal with a drive
> >being removed (or failing) while mounted. Looks like you are wanting
> >warm swap, and the drive does not have to tolerate insert/remove while
> >mounted. If there is a problem with this, then perhaps your bay is
> >removeable but not warm swappable (it would have to have extra circuitry
> >on it to deal with irq or other details, beyond simple cooling and power
> >surge protection). I use a hot swap scsi backplane, which works fine,
> >but I suspect an IDE version would have different requirements. Are you
> >positive that the bay is designed for power-on swapping, and is not just
> >removeable? And are you sure that all partitions are umount'ed prior to
> >removal?
> >
> >D. Stimits, stimits at idcomm.com
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