Mailinglist Archive: opensuse (1523 mails)

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Re: [opensuse] Re: ext3 and ext4 file system limitations question
  • From: Adam Tauno Williams <awilliam@xxxxxxxxxxxxx>
  • Date: Thu, 18 Mar 2010 08:46:14 -0400
  • Message-id: <1268916374.7363.9.camel@xxxxxxxxxxxxxxx>
On Thu, 2010-03-18 at 10:21 +0100, Joachim Schrod wrote:
Boris Epstein wrote:
is there are
limit on the number of files and/or directories one could store in an
ext3 and ext4 file system? If the answer is "yes, there is" - what is
that limit?
The amount of files and directories on an ext3 file system is
limited by the available inodes. The remaining free inode count is
listed by tune2fs -l /dev/sdXX.
Dunno about ext4, but I suspect it's the same, maybe with an other
command than tune2fs.

No, it is quite different on an extent based filesystem like ext4 (or
XFS).

The limits in ext4 are effectively theoretical. You won't hit them.
You could create a new file every second for 127 years.

You can change the inode count when you make the filesystem.

--
Adam Tauno Williams <awilliam@xxxxxxxxxxxxx> LPIC-1, Novell CLA
<http://www.whitemiceconsulting.com>
OpenGroupware, Cyrus IMAPd, Postfix, OpenLDAP, Samba

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