"Jonathan F. Dill" wrote:
>
> Does anyone know how can I enable disconnect for the linux aic7xxx
> driver? It's not in the README.aic7xxx nor the comments in the source
> code. Do I have to change something in the card setup before bootup?
>
> I have determined that the TSL-11000 is not causing the reset directly.
> The problem appears to be with the settings of the linux aic7xxx
> driver. The tape changer appears to "tie up" the bus while it's in
> action. When the aic7xxx module fails to read or write to partitions on
> /dev/sda for a certain number of attempts, it decides that the bus is
> "hung" and performs a bus reset.
>
> I thought "disconnect" might help if it would allow the TSL-11000 to
> perform its operation without hanging all of the other devices on the
> bus, but I don't know what other problems, if any, enabling disconnect
> might cause.
>
> I increased the selection timeout to the max value of 256ms in case that
> would help--it's the only parameter that could be changed without
> compiling a custom kernel that looks like it might help. Next, I plan
> to see if I can change any parameters through /proc/scsi, what
> parameters are adjustable when compiling the kernel, and what info I can
> dredge up from the aic7xxx web pages and mailing list archives.
>
> --
> "Jonathan F. Dill" ([EMAIL PROTECTED])
Someone will undoubtedly correct me if I'm wrong on this, but I'm pretty
sure you need to enable disconnect from Adaptec's BIOS settings page
(type control-A to get there).
Cheers,
Marty
--
Marty Shannon, RHCE, Sr. Systems Developer
mailto:[EMAIL PROTECTED]
