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Re: ext3 max file size?

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At Tue, 24 May 2011 17:49:11 +0100 Rui Maciel <rui.maciel@gmail.com> wrote:

> 
> Aragorn wrote:
> 
> > It *does* vary from platform to platform.  There's no way around that.
> 
> Yes, but is there a way to know what are the file size limits of any given 
> ext3 file system?  To put it differently, if you found yourself using any 
> random computer which has access to an ext3 partition, is there a way to 
> check what's the file size limit of that particular ext3 file system?
> 
> 
> Rui Maciel
>                                                                                                                      

Does this answer your question:

sauron.deepsoft.com% df /home
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/sauron-home
                      10321208   8884168    912752  91% /home
sauron.deepsoft.com% sudo dumpe2fs -h /dev/mapper/sauron-home
dumpe2fs 1.39 (29-May-2006)
Filesystem volume name:   /home
Last mounted on:          <not available>
Filesystem UUID:          82438e28-c63a-4d7e-87bf-1805b9070c40
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal ext_attr resize_inode filetype
needs_recovery sparse_super large_file
Default mount options:    (none)
Filesystem state:         clean
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              1310720
Block count:              2621440
Reserved block count:     131072
Free blocks:              559842
Free inodes:              1192598
First block:              0
Block size:               4096
Fragment size:            4096
Reserved GDT blocks:      639
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         16384
Inode blocks per group:   512
Filesystem created:       Mon Nov 16 16:51:45 2009
Last mount time:          Fri Apr 22 09:45:58 2011
Last write time:          Fri Apr 22 09:45:58 2011
Mount count:              1
Maximum mount count:      21
Last checked:             Fri Apr 22 09:43:50 2011
Check interval:           15552000 (6 months)
Next check after:         Wed Oct 19 09:43:50 2011
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
First orphan inode:       99124
Default directory hash:   tea
Directory Hash Seed:      4d07c9c6-6b71-4ada-972e-0f5988fa0c57
Journal backup:           inode blocks
Journal size:             32M

(No it does not give you an exact answer, but I suspect that the max
file size can be computed from information dumped by the dumpe2fs
command, eg info like the Block size, etc.)

-- 
Robert Heller             -- 978-544-6933 / heller@deepsoft.com
Deepwoods Software        -- http://www.deepsoft.com/
()  ascii ribbon campaign -- against html e-mail
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Thread

ext3 max file size? Rui Maciel <rui.maciel@gmail.com> - 2011-05-23 01:31 +0100
  Re: ext3 max file size? Aragorn <aragorn@chatfactory.invalid> - 2011-05-23 03:26 +0200
    Re: ext3 max file size? Rui Maciel <rui.maciel@gmail.com> - 2011-05-24 16:56 +0100
  Re: ext3 max file size? Jon Solberg <news@jonsolberg.nospam.se> - 2011-05-23 06:55 +0000
  Re: ext3 max file size? Balwinder S Dheeman <bsd.SANSPAM@anu.homelinux.net> - 2011-05-23 18:50 +0530
    Re: ext3 max file size? Robert Heller <heller@deepsoft.com> - 2011-05-23 10:08 -0500
    Re: ext3 max file size? Rui Maciel <rui.maciel@gmail.com> - 2011-05-24 17:11 +0100
      Re: ext3 max file size? Aragorn <aragorn@chatfactory.invalid> - 2011-05-24 18:35 +0200
        Re: ext3 max file size? Rui Maciel <rui.maciel@gmail.com> - 2011-05-24 17:49 +0100
          Re: ext3 max file size? Robert Heller <heller@deepsoft.com> - 2011-05-24 12:18 -0500
            Re: ext3 max file size? Rui Maciel <rui.maciel@gmail.com> - 2011-05-24 18:31 +0100
          Re: ext3 max file size? Loki Harfagr <l0k1@thedarkdesign.free.fr.INVALID> - 2011-05-24 21:46 +0000

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