Is it possible to assign SCSI device names?

getrpml@terrorist.math.ntu.edu.tw
Fri, 21 Aug 1998 12:41:29 +0800


Ladies and Gentlemen:

I remember reading a proposal to do something similar to what
I desire. Has anything taken place w.r.t. that suggestion?

My problem:

I have an AHA-3985 3-channel SCSI-2 RAID controller. It seems
to be equivalent to three separate AHA-2940's with three AIC7870 chip
channels and the AIC7810 chip is unused. I have several (narrow) SCSI
drives, a CD-ROM, a CD-RW, and an 230MB MO drive. The machine is fine
and working hard at the moment, but the problem is that my MO drive is
in an external enclosure and is sometimes used with other machines.

* Since only the A channel on the AHA-3985 has an external 50
pin connector, I have to connect my MO to the A channel.

* Since I want to split up my hard drives between the channels
AND the kernel always scan the A channel before the B and C
channels, the MO appears as /dev/sdb when it is in use, and
pushes my next hard drives into /dev/sdc and /dev/sdd. But
When the MO is not there, the hard drives become sdb/sdc.

* Is there some way I could rearrange the names of devices?
I feel particularly compelled because I want to experiment
with soft RAID devices.

* Rest of my stuff: dual PPro 200, SuperMicro P6DNE, 192MB,
cheap SB16 clone sound, cheap generic NE2000 ISA NIC.

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