> Isaac Aaron wrote:
>
> > If you only need hot-swapping, then you don't need a RAID card.
> > I bought myself a computer that has a hot swap deck (but not with raid) the
> > kernel calls it:
> >
> > Host: scsi1 Channel: 00 Id: 06 Lun: 00
> > Vendor: ESG-SHV Model: SCA HSBP M7 Rev: 0.08
> > Type: Processor ANSI SCSI revision: 02
> >
> > Anyway, check out "Scsi-Programming HOWTO - where it says:
> >
> > 4.3.1. Dynamically insert and remove SCSI devices
> >
> > If a newer kernel and the /proc file system is running, a non-busy
> > device can be removed and installed 'on the fly'.
[snip]
Hmmm... Have you actually used this feature?
What I'm wondering about is: Say you have 2 disks (say SCSI ID 1 and
SCSI ID 2). Upon boot, the kernel assigns them the devices /dev/sda and
/dev/sdb. Now, say that you dynamically remove the first disk. Will the
second disk become /dev/hda, or will it stay /dev/hdb? If
you later add back the first disk (or a replacement with the same ID) --
will it become /dev/hda again, or will it be /dev/hdc?
Thinks,
Gavrie.
--
Gavrie Philipson
Netmor Applied Modeling Research Ltd.
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