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Date: Sun, 12 Jan 1997 11:53:17 +0200
From: Nadav Eiron <nadav@barcode.co.il>
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To: Brandon Gillespie <brandon@cold.org>
CC: freebsd-questions@freebsd.org
Subject: Re: setting up backups (incremental)--what to use?
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Brandon Gillespie wrote:
> 
> I have a tape drive setup off my system, and functioning (I can tar to it
> and read from the tar without problem).  I do not want an absolute tar
> file every day, I want an incremental backup based off the previous day,
> or something similar.  How do I go about doing this?  I noticed the
> incremental option in the tar manual, but there is no explanation as to
> what to do..  Help?

Don't know, I don't use tar...

> 
> Also... I need to figure out how large of a tar file my drive can
> handle--it uses 8MM DAT tapes, but its an older drive, reporting as:

8mm is not DAT, though the technology is similar.

> 
> ahc0:A:5: refuses syncronous negotiation. Using asyncronous transfers
> (ahc0:5:0): "EXABYTE EXB-8200 2687" type 1 removable SCSI 1
> st0(ahc0:5:0): Sequential-Access density code 0x0, variable blocks,
>   write-enabled
> 
> Anybody?

If I remember Exabyte model numbers correctly, a plain 8200 will put
2.2GB on a 112m cassette.

> 
> -Brandon Gillespie
Nadav