Mental on Sun, 2 Jan 2000 23:15:28 -0500 (EST)


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[Plug] Scsi setup problems


Hey, I'm having a hell of a time figuring out this scsi problem. I 
upgraded warhammer to 2 (soon to be 3) seagate baracuda drives. If 
I cat /proc/scsi/aic7xxx/0 the hard drives are negotiaoting a 20m/sec
transfer rate. How do you enable 40? I enabled it in the scsi bios.

Also, in order to get the drives detected, I had to go into the scsi 
settings and change the termination from automatic to Low ON/High ON.
Whats that all about? The drives are attached to an LVD cable, and 
have unique ID's set. Weirdness. I'm not overly familiar with SCSI stuff
so I'm runing out of ideas.

All 3 drives are seagate barracuda drives. They should be UW. I have
a cheetah drive in my workstation and an adaptec 7890 controler. It
negotiates 80M/sec just fine. 

Here's the relevent messages from dmesg:

(scsi0) <Adaptec AHA-294X Ultra SCSI host adapter> found at PCI 9/0
(scsi0) Wide Channel, SCSI ID=7, 16/255 SCBs
(scsi0) Downloading sequencer code... 413 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.20/3.2.4
<Adaptec AHA-294X Ultra SCSI host adapter>
scsi : 1 host.
(scsi0:0:0:0) Data overrun detected in Data-In phase, tag 1;
Have seen Data Phase. Length=255, NumSGs=1.
sg[0] - Addr 0x7fed800 : Length 255
Vendor: COMPAQ    Model: ST32550W          Rev: 6415
Type:   Direct-Access                      ANSI SCSI revision: 02
Detected scsi disk sda at scsi0, channel 0, id 0, lun 0
(scsi0:0:4:0) Synchronous at 5.0 Mbyte/sec, offset 15.
Vendor: ARCHIVE   Model: Python 27871-XXX  Rev: 389M
Type:   Sequential-Access                  ANSI SCSI revision: 02
(scsi0:0:8:0) Data overrun detected in Data-In phase, tag 1;
Have seen Data Phase. Length=255, NumSGs=1.
sg[0] - Addr 0x7fd5000 : Length 255
Vendor: COMPAQ    Model: ST32550W          Rev: 6415
 Type:   Direct-Access                      ANSI SCSI revision: 02
 Detected scsi disk sdb at scsi0, channel 0, id 8, lun 0
 scsi : detected 2 SCSI disks total.
 (scsi0:0:0:0) Synchronous at 20.0 Mbyte/sec, offset 8.
 SCSI device sda: hdwr sector= 512 bytes. Sectors= 4110000 [2006 MB] [2.0 GB]
 (scsi0:0:8:0) Synchronous at 20.0 Mbyte/sec, offset 8.
 SCSI device sdb: hdwr sector= 512 bytes. Sectors= 4110000 [2006 MB] [2.0 GB]



Mental
-

"you make insanity respectable."
--Helcat on the subject of Mental.

pgp public key: http://warhammer.neverlight.com/Mental-pub.pgp


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