[olug] large files

[Matthew G. Marsh]

On Sat, 22 Mar 2003, Vincent wrote:

>                              Ext3           ReiserFS    XFS                 JFS
> File system max     16384 Gb  17592 Gb   18,000 Pb+     32 Pb
> File size max          2048 Gb    1 Eb*          9,000 Pb         4 Pb

Yes note your first numbers - reality is that on a 32 bit OS (aka Linux on
x86) the _file_ size limit is still 2G (2048M). Try it some time -
seriously I still run into this especially with Squid and SNORT logs...

Once you have a _file_ over 2G the application usually just stops working.

> The 2.4 kernel has a limit of 2048 Gb for a single block device, so no file system larger than that can be created at this time
> (without patching the standard kernel). This restriction could be removed in the 2.5.x development kernel, and there are patches
> available to remove this limit, but as of 2.5.29, the patches haven't been officially included yet.
>
> The largest block size supported on ia32 is 4Kb.
>
> http://www.linux-mag.com/2002-10/jfs_05.html
>
> ----- Original Message -----
> From: "Phil Brutsche" <phil at brutsche.us>
> To: "Omaha Linux User Group" <olug at olug.org>
> Sent: Saturday, March 22, 2003 8:18 AM
> Subject: Re: [olug] large files
>
>
> > A long time ago, in a galaxy far, far way, someone said...
> >
> > > I was wondering, does anybody know the maximum filesize limitation for
> > > ext3 filesystems on a 32-bit machine?
> >
> > Very big, provided your glibc and applications are compiled for 64-bit
> > file support.
> >
> > Oh, and if it's not RedHat, chances are you're OK in terms of large file
> > support.
> >
> > --
> >
> > Phil Brutsche
> > phil at brutsche.us
> > _______________________________________________
> > OLUG mailing list
> > OLUG at olug.org
> > http://lists.olug.org/mailman/listinfo/olug
>
> _______________________________________________
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>

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Matthew G. Marsh,  President
Paktronix Systems LLC
1506 North 59th Street
Omaha  NE  68104
Phone: (402) 553-2288
Email: mgm at midwestlinux.com
WWW:  http://www.midwestlinux.com
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