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Date:      Mon, 25 Jun 2001 15:33:31 -0500
From:      "John R. Jackson" <jrj@gandalf.cc.purdue.edu>
To:        "Toomas Aas" <toomas.aas@raad.tartu.ee>
Cc:        freebsd-questions@freebsd.org, amanda-users@amanda.org
Subject:   Re: tape record too big for supplied buffer 
Message-ID:  <200106252033.PAA19601@gandalf.cc.purdue.edu>
In-Reply-To: Your message of "Mon, 25 Jun 2001 14:36:56 %2B0200." <200106251237.f5PCb8Y04792@lv.raad.tartu.ee> 

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>Generally everything seems to work fine, but sometimes I get these 
>messages in /var/log/messages:
>...
>Jun 20 09:57:00 kuller /kernel: (sa0:ahc1:0:6:0): 32768-byte 
>tape record bigger than suplied buffer

When do you get these errors?  When you're doing an amdump (i.e. writing
to the tape)?  When you're labeling a new tape?  When you're doing a
recovery (reading the tape)?  When you're running amcheck (which would
also be reading)?  What happens to whatever you're trying to do, i.e.
does Amanda fail in some way?

I think the message is saying some program gave the kernel a buffer that
was smaller than the record size reported by the drive (32 KBytes).

Amanda is extremely unlikely to have done that.  My first suspicion
would be a kernel or driver buffer management problem.  Maybe you could
ask those folks?

>Toomas

John R. Jackson, Technical Software Specialist, jrj@purdue.edu

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