Amanda-Users

Re: LTO1 tapetype

2003-06-19 10:23:51
Subject: Re: LTO1 tapetype
From: "Tom Brown" <tom.brown AT goodtechnology DOT com>
To: <amanda-users AT amanda DOT org>
Date: Thu, 19 Jun 2003 15:21:12 +0100
> > Possibly rerun amtapetype (as Paul suggested) with an reasonable
estimate
> so
> > that it writes 100x fewer separate files and writes much larger files
that
> > stream for a longer time at full write speed.
> >
> > From amanda's perspective it doesn't matter.  The speed parameter is
> > printed for informational purposes (your info), amanda does not use it.

 with a 100 gig estimate

 Estimated time to write 2 * 102400 Mbyte: 3112 sec = 0 h 51 min
wrote 3211264 32Kb blocks in 98 files in 7777 seconds (short write)
wrote 3227648 32Kb blocks in 197 files in 8206 seconds (short write)
define tapetype unknown-tapetype {
    comment "just produced by tapetype prog (hardware compression on)"
    length 100608 mbytes
    filemark 0 kbytes
    speed 12899 kps
}

Tom


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