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From: Rob Landley <rob@landley.net>
To: Bernd Eckenfels <ecki@lina.inka.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: what is our answer to ZFS?
Date: Tue, 22 Nov 2005 01:15:17 -0600	[thread overview]
Message-ID: <200511220115.17450.rob@landley.net> (raw)
In-Reply-To: <E1EeLp5-0002fZ-00@calista.inka.de>

On Monday 21 November 2005 18:15, Bernd Eckenfels wrote:
> In article <200511211252.04217.rob@landley.net> you wrote:
> > I believe that on 64 bit platforms, Linux has a 64 bit clean VFS.  Python
> > says 2**64 is 18446744073709551616, and that's roughly:
> > 18,446,744,073,709,551,616 bytes
> > 18,446,744,073,709 megs
> > 18,446,744,073 gigs
> > 18,446,744 terabytes
> > 18,446 ...  what are those, petabytes?
> > 18 Really big lumps of data we won't be using for a while yet.
>
> The prolem is not about file size. It is about for example unique inode
> numbers. If you have a file system which spans multiple volumnes and maybe
> nodes, you need more unqiue methods of addressing the files and blocks.

18 quintillion inodes are enough to give every ipv4 address on the internet 4 
billion unique inodes.  I take it this is not enough space for Sun to work 
out a reasonable allocation strategy in?

Rob



  parent reply	other threads:[~2005-11-22  7:15 UTC|newest]

Thread overview: 74+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-21  9:28 what is our answer to ZFS? Alfred Brons
2005-11-21  9:44 ` Paulo Jorge Matos
2005-11-21  9:59   ` Alfred Brons
2005-11-21 10:08     ` Bernd Petrovitsch
2005-11-21 10:16     ` Andreas Happe
2005-11-21 11:30       ` Anton Altaparmakov
2005-11-21 10:19     ` Jörn Engel
2005-11-21 11:46       ` Matthias Andree
2005-11-21 12:07         ` Kasper Sandberg
2005-11-21 13:18           ` Matthias Andree
2005-11-21 14:18             ` Kasper Sandberg
2005-11-21 14:41               ` Matthias Andree
2005-11-21 15:08                 ` Kasper Sandberg
2005-11-22  8:52                   ` Matthias Andree
2005-11-21 22:41               ` Bill Davidsen
2005-11-21 20:48             ` jdow
2005-11-22 11:17               ` Jörn Engel
2005-11-21 11:59       ` Diego Calleja
2005-11-22  7:51       ` Christoph Hellwig
2005-11-22 10:28         ` Jörn Engel
2005-11-22 14:50         ` Theodore Ts'o
2005-11-22 15:25           ` Jan Harkes
2005-11-22 16:17             ` Chris Adams
2005-11-22 16:55               ` Anton Altaparmakov
2005-11-22 17:18                 ` Theodore Ts'o
2005-11-22 19:25                   ` Anton Altaparmakov
2005-11-22 19:52                     ` Theodore Ts'o
2005-11-22 20:00                       ` Anton Altaparmakov
2005-11-22 23:02                         ` Theodore Ts'o
2005-11-22 21:14                       ` Bill Davidsen
2005-11-22 21:06                 ` Bill Davidsen
2005-11-22 20:19               ` Alan Cox
2005-11-22 19:56                 ` Chris Adams
2005-11-22 21:19                   ` Bill Davidsen
2005-11-23 19:20                   ` Generation numbers in stat was Re: what is slashdot's " Andi Kleen
2005-11-24  5:15                     ` Chris Adams
2005-11-24  8:47                       ` Andi Kleen
2005-11-22 16:28             ` what is our " Theodore Ts'o
2005-11-22 17:37               ` Jan Harkes
2005-11-22 16:36                 ` Jeff V. Merkey
2005-11-28 12:53       ` Lars Marowsky-Bree
2005-11-29  5:04         ` Theodore Ts'o
2005-11-29  5:57           ` Willy Tarreau
2005-11-29 14:42             ` John Stoffel
2005-11-29 13:58           ` Andi Kleen
2005-11-29 16:03           ` Chris Adams
2005-11-21 11:45     ` Diego Calleja
2005-11-21 14:19       ` Tarkan Erimer
2005-11-21 18:52         ` Rob Landley
2005-11-21 19:28           ` Diego Calleja
2005-11-21 20:02           ` Bernd Petrovitsch
2005-11-22  5:42             ` Rob Landley
2005-11-22  9:25               ` Matthias Andree
2005-11-21 23:05           ` Bill Davidsen
2005-11-22  0:15           ` Bernd Eckenfels
2005-11-21 22:59             ` Jeff V. Merkey
2005-11-22  7:45               ` Christoph Hellwig
2005-11-22  9:19                 ` Jeff V. Merkey
2005-11-22 16:00               ` Bill Davidsen
2005-11-22 16:09                 ` Jeff V. Merkey
2005-11-22 20:16                   ` Bill Davidsen
2005-11-22 16:14                 ` Randy.Dunlap
2005-11-22 16:38                   ` Steve Flynn
2005-11-22  7:15             ` Rob Landley [this message]
2005-11-22  8:16               ` Bernd Eckenfels
2005-11-22  0:45           ` Pavel Machek
2005-11-22  6:34             ` Rob Landley
2005-11-22 19:05               ` Pavel Machek
2005-11-22  9:20           ` Matthias Andree
2005-11-22 10:00             ` Tarkan Erimer
2005-11-22 15:46               ` Jan Dittmer
2005-11-22 16:27               ` Bill Davidsen
2005-11-21 18:17       ` Rob Landley
  -- strict thread matches above, loose matches on Subject: below --
2005-11-24  1:52 art

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