I found on http://www.madeasy.de/7/ext2.htm (in german)
ext2 can't have bigger files than 16GB if blocksize is 1k.
Ext3 is ext2 with journaling.
Rafael Martinez Guerrero wrote:
>Hello
>
>We are having problems with pg_dump.
>
>We are trying to dump a 30GB+ database using pg_dump with the --file
>option. In the beginning everything works fine, pg_dump runs and we get
>a dumpfile. But when this file becomes 16GB it disappears from the
>filesystem, pg_dump continues working without giving an error until it
>finnish (even when the file does not exist)(The filesystem has free
>space).
>
>I can generate without problems files bigger than 16GB with other
>programs.
>
>Some information:
>---------------------------
>OS: Red Hat Enterprise Linux WS release 3 (Taroon Update 4)
>Kernel: 2.4.21-27.0.2.ELsmp #1 SMP i686
>PG: 7.4.7
>
>LVM version 1.0.8-2(26/05/2004)
>EXT3 FS 2.4-0.9.19, 19 August 2002 on lvm(58,6), internal journal
>EXT3-fs: mounted filesystem with ordered data mode.
>----------------------------
>
>Any ideas? It looks like pg_dump has a limit of 16GB? How can we solve
>this?
>
>
>
