Date: Mon, 16 Nov 1998 09:57:59 -0800 From: Bill Trost <trost@cloud.rain.com> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: scsi@FreeBSD.ORG Subject: Re: tape hang problem Message-ID: <28663.911239079@cloud.rain.com> In-Reply-To: Your message of Sun, 15 Nov 1998 08:31:47 %2B0100. <19981115083147.59967@uriah.heep.sax.de> References: <19981115083147.59967@uriah.heep.sax.de> <466.911090634@cloud.rain.com>
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J Wunsch writes:
As Bill Trost wrote:
> When the system hangs, it prints several messages like the following on
> the console:
>
> (da0:ahc0:0:0:...) SCB 0x11 - timed out in datain phase, SCSISIGI == 0x44
> SEQADDR == 0x110,
> SSTATI == 0x2
I've seen such behaviour (incidentally also on an Archive Python)
for a tape where i ultimately found that the drive that recorded the
tape has too much adjustment tolerance to my own tape drive.
That seems unlikely, as it is the "same" tape drive (although it has
been to the shop in Okie City since the tape was written).
Apparently, the drive then can't read the requested block
immediately, and starts retensioning the tape (as i would guess from
the sound).
That's not my failure mode. Everything goes silent when my tape drive
acts up.
Another datum: I can successfuly "mt fsr" past the bad record and read
the rest of the tape. (That's how I found out the data I'm looking for
isn't on this tar backup... )-: )
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