Date: Thu, 18 Mar 1999 15:06:54 +0000 (GMT) From: russell@lls.lls.com (Russell Brown) To: dledford@redhat.com (Doug Ledford) Cc: russell@lls.lls.com, aic7xxx@FreeBSD.ORG Subject: Re: More ASUS P2B-DS Woes Message-ID: <m10NeNq-000BioC@lls.lls.com> In-Reply-To: <36F0FE31.7188FC8C@redhat.com> from "Doug Ledford" at Mar 18, 99 08:22:57 am
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Quoth Doug Ledford.....
>
>Russell Brown wrote:
>>
>> For the record, I've just tried running the DAT Tape in sync mode with
>> ASUS bios 1008 and aic7xxx 5.1.12
>> Result: SCSI timeouts :-(
>> Ho Hum - back to async for the DAT.
>
>Note that for some Seagate SCSI tape drives, if you call tech support with a
>problem under any OS the first thing they make you do is disable sync support
>on the tape device. I know of a few others that are like that also. There
>appears to be a small trend that a few models of tape drive simply don't work
>well in sync mode.
FWIW, these are Sony SDT-9000 DAT's.
Sony SDT-5200's seem to work fine and SDT-9000's work for us on other
machines with DPT controllers.
Running async adds around 10% to the tape I/O times so that aspect's not
earth shattering.... more concerning is that sommat is flaky and might
bite under some other circumstances. Anything I can do to help track
this down?
--
Regards,
Russell
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| Russell Brown | MAIL: russell@lls.com PHONE: 01780 471800 |
| Lady Lodge Systems | WWW Work: http://www.kings.demon.co.uk/ |
| Peterborough, England | WWW Play: http://www.kings.demon.co.uk/russell/ |
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