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Old 03-14-2004, 05:24 PM   #1
julio menezes
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Registered: Mar 2004
Location: curitiba - brazil
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Help File System EXT3 x REISERFS


I would like to know with file system is better.

ReiserFS or EXT3.

After one year using Reiserfs it crashes due an power failure.

Netscape lost mai mail box.
The Reiserfsck reports to rebuild the tree.

Should I continue to use Reiserfs or move to EXT3 ?

thanks

julio
 
Old 03-14-2004, 05:32 PM   #2
bigjohn
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Quote:

quoted from http://www.gentoo.org installation guide/handbook

ext2 is the tried and true Linux filesystem but doesn't have metadata journaling, which means that routine ext2 filesystem checks at startup time can be quite time-consuming. There is now quite a selection of newer-generation journaled filesystems that can be checked for consistency very quickly and are thus generally preferred over their non-journaled counterparts. Journaled filesystems prevent long delays when you boot your system and your filesystem happens to be in an inconsistent state.

ext3 is the journaled version of the ext2 filesystem, providing metadata journaling for fast recovery in addition to other enhanced journaling modes like full data and ordered data journaling. ext3 is a very good and reliable filesystem. It offers generally decent performance under most conditions. Because it does not extensively employ the use of "trees" in its internal design, it doesn't scale very well, meaning that it is not an ideal choice for very large filesystems, or situations where you will be handling very large files or large quantities of files in a single directory. But when used within its design parameters, ext3 is an excellent filesystem.

ReiserFS is a B*-tree based filesystem that has very good overall performance and greatly outperforms both ext2 and ext3 when dealing with small files (files less than 4k), often by a factor of 10x-15x. ReiserFS also scales extremely well and has metadata journaling. As of kernel 2.4.18+, ReiserFS is solid and usable as both general-purpose filesystem and for extreme cases such as the creation of large filesystems, the use of many small files, very large files and directories containing tens of thousands of files.

XFS is a filesystem with metadata journaling that is fully supported under Gentoo Linux's xfs-sources kernel. It comes with a robust feature-set and is optimized for scalability. We only recommend using this filesystem on Linux systems with high-end SCSI and/or fibre channel storage and a uninterruptible power supply. Because XFS aggressively caches in-transit data in RAM, improperly designed programs (those that don't take proper precautions when writing files to disk and there are quite a few of them) can lose a good deal of data if the system goes down unexpectedly.

JFS is IBM's high-performance journaling filesystem. It has recently become production-ready and there hasn't been a sufficient track record to comment positively nor negatively on its general stability at this point.
Hopefully, this should help you decide.

regards

John
 
  


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