Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 8 May 1998 14:33:09 -0700 (PDT)
From:      Tom <tom@sdf.com>
To:        Mark Tinguely <tinguely@plains.NoDak.edu>
Cc:        wilko@yedi.iaf.nl, freebsd-hackers@FreeBSD.ORG
Subject:   Re: dump/restore problem (was: Network problem with 2.2.6-RELEASE)
Message-ID:  <Pine.BSF.3.95q.980508143043.5270B-100000@misery.sdf.com>
In-Reply-To: <199805081736.MAA13752@plains.NoDak.edu>

next in thread | previous in thread | raw e-mail | index | archive | help

On Fri, 8 May 1998, Mark Tinguely wrote:

> >  DLTs need blocksizes >= 64 Kb to be kept happy streaming. I used a DLT2000
> >  for years on my FreeBSD box, I now have a DLT4000. I can't keep 'm streaming
> >  from a 4G Barracuda with the current 64kB physio() limit. Keep the tape and
> >  the disks on seperate SCSI channels (I have 2x NCR810).
> 
> do you have any experience using the DLT drive backup filesystem over a
> moderately busy local area network?

  The low end DLT drives do about 1000K to 1500K/s.  So, a backup over a
10mbs network isn't going to stream.

  You could use fast ethernet, or spool data to disk first (I do the
later).

> --mark.

Tom


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.95q.980508143043.5270B-100000>