Re: SCSI question

Wakko Warner (wakko@ani.animx.ml.org)
Fri, 27 Mar 1998 20:54:53 -0500


> The hwtools package includes a GUI called scsi-config that should
> allow you to manually reconnect the device. If you do not have X you can
> probably issue the command manually with scsiinfo but be careful and read
> all the docs first. It might be worth a try.

Thanx.. I had just downloaded that package a few minutes ago.

> > > Does linux support hot swapping of scsi devices w/o having to restart? If
> > > there is, then how do I get it to redetect devices? I swapped a 2gb drive
> > > for another 2gb drive while testing. They are exactly the same drive and on
> > > the same id and linux refused to acknoledge the new disk.
> > >
> >
> > Yes, it dosn't automatically, but you can do it manually. Look at
> > linux/drivers/scsi/scsi.c for how (line ~2285, and ~2335). Hot pluging
> > (ie powered up scsi bus) is not withing the spec, and can destroy every
> > device attached (including the host adapter).
> >
> > It's not unknown. The only time it is safe is if you have special hot
> > plug connectors which isolate the bus from the devices.
> >
> > Bryn
> > - --
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> > -----BEGIN PGP SIGNATURE-----
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> >
> > iQCVAwUBNRxQZOsaGi8wry1pAQFdhwQAgXpjTUMVxXUzOZ1lpRIClkhruxiaG7st
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> > baqfoPPP3iw=
> > =kWfN
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> >
> >
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>
> George Bonser
> Just be thankful that Microsoft does not manufacture pharmaceuticals.
> http://www.debian.org
> Debian/GNU Linux ... the maintainable operating system.

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