Re: SCSI question
Wakko Warner (wakko@ani.animx.ml.org)
Fri, 27 Mar 1998 20:32:57 -0500
> > 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
Ok...
> (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.
The 2gb devices are part of a 3 disk micropolis raidion lt. So I believe
it's hot swappable.
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