Does Reiser support Quotas and ACLs? Kev.
----- Original Message ----- From: "Shawn" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, August 18, 2003 11:11 PM Subject: Re: (clug-talk) Ext3 VS ReiserFS ? > The excerpt below is in the Gentoo install guide > (http://www.gentoo.org/doc/en/gentoo-x86-install.xml#doc_chap6), but it > applies to any system... > > ---------------------- > Creating filesystems > > Now that the partitions have been created, it's time to set up filesystems on > the boot and root partitions so that they can be mounted and used to store > data. We will also configure the swap partition to serve as swap storage. > > Gentoo Linux supports a variety of different types of filesystems; each type > has its strengths and weaknesses and its own set of performance > characteristics. Currently, we support the creation of ext2, ext3, XFS, JFS > and ReiserFS filesystems. > > 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 > now rock-solid and highly recommended for use both as a 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. ReiserFS is the filesystem we recommend by default for > all non-boot partitions. > > 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. > > If you're looking for the most rugged journaling filesystem, use ext3. If > you're looking for a good general-purpose high-performance filesystem with > journaling support, use ReiserFS; both ext3 and ReiserFS are mature, refined > and recommended for general use. > ---------------------- > > The best answer I can give you is "it depends on what you're doing". I > personally use Ext3 for my /boot partition, and reiserfs for my root > partition (I don't have need to break up into other partitions.... yet...). > If your partition will host lots of smaller files that may be critical, the > Reiser is probably the better choice as it has better performance for small > files, and is a journalized system to (help) ensure file integrity. > > Hope this helps. > > Shawn > > On August 18, 2003 07:23 pm, Mathieu Jobin wrote: > > How to choose between thoose file system ? > > > > Mathieu > > >
