Symbios SCSI issues

[Matthew J. Brodeur]

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On 17 Nov 2002, Ben Boulanger wrote:

> 	I'm guessing termination is the problem as the SCSI bios doesn't detect
> the devices.

   Have you checked the settings in whatever interface the card's BIOS has 
(equivalent to Adaptec's CTRL-A at boot)?  On many cards it's possible to 
manually adjust the auto-termination feature and SCAM (SCSI ID 
auto-selection), both of which can potentially argue with the OS driver.  
You might also check the system BIOS for a "Symbios SCSI BIOS" option.  
I've noticed it on some systems in the past, but never known what it was 
really for.


> 	It is my boot device - if recompiling the kernel is necessary -AFTER-
> this initial problem is solved, I'll address that, however these disks
> boot fine and are detected properly on a different scsi card (the
> AHA2940)
> it's Redhat, 7.3 with kernel 2.4.19.

   Since you're running 2.4.19, it's obviously a custom build.  Unless you 
previously built support for the new card into your kernel you'll probably 
have to reconfig/compile.  The RHL rescue environment actually works well 
for this, in a pinch.
   That brings up another idea.  Try booting the system off of an install 
or rescue disk.  The RH install CDs have just about every driver 
imaginable, so they might detect the new card and give you a hint about 
the problem.


> Probably should have titled this 'OT: ' as at this point, it's OS
> independent..

   This is about as on-topic I've seen a thread stay recently. ;)


- -- 
Matthew J. Brodeur                                             RHCE, GSEC
MBrodeur at NextTime.com                             http://www.NextTime.com


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