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Date: Sat, 24 Aug 1996 15:32:07 -0700
From: Julian Elischer <julian@whistle.com>
Organization: Whistle Communications
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To: Bora Akyol <akyol@wireless.Stanford.EDU>
CC: joerg_wunsch@uriah.heep.sax.de, freebsd-hackers@freebsd.org
Subject: Re: Help on block size in tar
References: <199608240905.CAA02942@wireless.Stanford.EDU>
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Bora Akyol wrote:
> 
> This gets stranget by the minute.
> I created a tar tape using all defaults on a SNAP-960612 system.
> I cannot read the tape on the same computer running Linux but
> I can boot FreeBSD and read the very same tape. What gives?
> Is the tar on FreeBSD different from tar on Linux in data format.
> 
> Strange very strange!
> 
> Bora
> 
> ps. Both block sizes are apparently 20.

probably the device driver has decided that it is a variable blocksize
device under one OS and a fixed size blocksize under the other,
(or different blocksizes)

this can be changed by 'mt'
so you shoudl adjust it to match teh other system..

julian
(read the man page..
man 4 st
man 4 scsi
man 1 mt