Amanda-Users

Re: Tapetype and Offline

2003-01-12 02:24:12
Subject: Re: Tapetype and Offline
From: Jon LaBadie <jon AT jgcomp DOT com>
To: amanda-users AT amanda DOT org
Date: Sun, 12 Jan 2003 01:43:17 -0500
On Sat, Jan 11, 2003 at 11:10:12PM -0500, Michael J. Pawlowsky wrote:
> 
> This is what I got from tapetype...  after 8 hours!

That is how long it takes your drive, at near optimum speed,
to twice write 19.5GB.  If it is too slow, get a faster drive.

> Is it ok to have filemark 0 kbytes?

Some formats keep the control data on a separate track and
so waste no space between files for searchable marks.

> 
> ]# tapetype -e 20480m -f /dev/nst0
> wrote 622535 32Kb blocks in 95 files in 14145 seconds (short write)
> wrote 625716 32Kb blocks in 191 files in 14295 seconds (short write)
> define tapetype HP-DLT-40i {
>     comment "just produced by tapetype program"
>     length 19503 mbytes
>     filemark 0 kbytes
>     speed 1404 kps
> }
> 
> 
> It seems to be working.. doing first backup now.. will try restore tomorrow 
> morning.

Let us know the results.

-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
 JG Computing
 4455 Province Line Road        (609) 252-0159
 Princeton, NJ  08540-4322      (609) 683-7220 (fax)

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