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Date:      Mon, 29 Nov 1999 15:40:01 -0500
From:      "J. Maynard Gelinas" <mgelinas@bbn.com>
To:        freebsd-questions@FreeBSD.ORG
Cc:        mgelinas@bbn.com
Subject:   Multiple LUN support with Adaptec-789x controller
Message-ID:  <199911292040.PAA02121@bbn.com>

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   Hello,
   I've got a FreeBSD box with an Adaptec-789x controller, SCSI RAID array, 
and various unrelated cards attached to the system bus.

ahc0: <Adaptec 2940 Ultra2 SCSI adapter> rev 0x00 int a irq 10 on pci0.18.0
ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs

   OK, so the problem I've got is that I can't seem to get the kernel to detect
the RAID, even though the Adaptec SCSI BIOS recognizes the array during boot.
The RAID is set to ID 1 on LUN 1, and there's a boot disk on ID 0, LUN 0.
Here's the drive detection output:

Waiting 15 seconds for SCSI devices to settle
pass1 at ahc0 bus 0 target 5 lun 0
pass1: <JMR ELEC FORTRA SERIES. 1.00> Fixed Processor SCSI-2 device 
pass1: 3.300MB/s transfers
changing root device to da0s1a
da0 at ahc0 bus 0 target 0 lun 0
da0: <IBM DNES-309170Y SA30> Fixed Direct Access SCSI-3 device 
da0: 80.000MB/s transfers (40.000MHz, offset 31, 16bit), Tagged Queueing 
Enabledda0: 8748MB (17916240 512 byte sectors: 255H 63S/T 1115C)
xl0: selecting MII, 100Mbps, half duplex
xl0: selecting MII, 100Mbps, full duplex

   So, what I think is going on here is that the ahc driver either doesn't 
handle multiple LUN support, or it needs to be configured for such. Otherwise, 
I'm at a loss...

Any suggestions? TIA!
--Maynard



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