How to force aic7xxx using synchronous neg. mode

substring · 06-17-2007, 09:47 AM

Hi,

i attached a SCSI RAID system to my debian box. The HBA is a Adaptec 29160.

dmesg shows that the RAID is attached with asynchronous negotiation:

Code:

scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0
        <Adaptec 29160 Ultra160 SCSI adapter>
        aic7892: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs

  Vendor: SB-2800T  Model:                   Rev: 0001
  Type:   Direct-Access                      ANSI SCSI revision: 03
scsi0:A:0:0: Tagged Queuing enabled.  Depth 8
 target0:0:0: Beginning Domain Validation
 target0:0:0: wide asynchronous
 target0:0:0: FAST-80 WIDE SCSI 160.0 MB/s DT (12.5 ns, offset 31)
 target0:0:0: Domain Validation skipping write tests
 target0:0:0: Ending Domain Validation

The RAID should support synchronous negotiation. Cables and termination are set up correctly.

Is there a way to force the HBA to use synchronous neg.?

bg
substring

rtspitz · 06-17-2007, 02:47 PM

go into the adaptec's bios and turn off domain validation and set sync transfer manually.

substring · 06-17-2007, 05:22 PM

Quote:

Originally Posted by rtspitz

go into the adaptec's bios and turn off domain validation and set sync transfer manually.

I tried this already, but the kernel driver ignores it, too. I.e. it still does the domain validation.