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Subject: Re: setting up backups (incremental)--what to use?
To: brandon@cold.org (Brandon Gillespie)
Date: Mon, 13 Jan 1997 12:50:47 +0100 (MEZ)
Cc: freebsd-questions@freebsd.org
In-Reply-To: <Pine.NEB.3.95.970110145302.3759B-100000@cold.org> from "Brandon Gillespie" at Jan 10, 97 02:55:47 pm
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E-mail message from Brandon Gillespie contained:
> 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?

man 8 dump
man 8 restore

much better than tar; it stores the filesystem extended metadata as well.

/Marino
> 
> 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:
> 
> 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?
> 
> -Brandon Gillespie
> 
>