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Date:      Sun, 30 Jan 2005 23:18:03 +0100
From:      Ulrich Spoerlein <q@uni.de>
To:        freebsd-stable@freebsd.org
Cc:        phk@freebsd.org
Subject:   Size of metadata required for GBDE
Message-ID:  <20050130221803.GB2600@galgenberg.net>

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Hi all,

I just fiddled around with using GBDE for ISO images (it works) and
stumbled across the need to "guess" the size required for the GBDE
container.

Looks like the size is not increasing linearly. Here are the numbers of
512 byte blocks available in md0 and md0.bde
  md0 | md0.bde | diff.
 2048    1952       96
 4096    3936      160
 8192    7936      256
16384   15872      512
32768   31744     1024
65536   63520     2016

So, what's the correct formula?

Ulrich Spoerlein
--=20
 PGP Key ID: F0DB9F44				Encrypted mail welcome!
Fingerprint: F1CE D062 0CA9 ADE3 349B  2FE8 980A C6B5 F0DB 9F44
Ok, which part of "Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn."
didn't you understand?

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