** On May 16, Brian May scribbled: > >> that :) > >> > >> How about ext3, then? :) > Marek> It's even less usable right now :(, same with XFS :( > > Could somebody please tell me what the difference is between > > - reiserfs > > - ext3 > > - xfs (I have never heard of this one before) Reiserfs is a completely new file system initially designed by Hans Reiser and his team that has journalling capabilities, uses balanced b-trees for directory searches (unlike ext2 which uses linear dsearch) and block allocation, features highly optimized file access. Go to http://www.devlinux.com/namesys for more info ext3 adds journalling to the ext2 XFS(tm) is an SGI project (open source) to port their high performance, fool proof, journalling, 64-bit file system to Linux. For details see http://oss.sgi.com/projects/xfs/ > > So far all I know is that they are all enhanced file systems that aim > to do better then EXT2. Well, you can say so in two words :)) > So, from that above system: > > - which ones support ACLs (I heard something about EXT2 supporting > ACLs, or am I mistaken)? Yes, ext2 has had support for ACLs in its design, but they are implemented by off mainstream patches (sorry, no URLs :() > - support for capabilities (see > http://www.eros-os.org/faq/basics.html#whatis-eros for details on what > I mean here)? This looks like (to me) it might be more important then > ACLs, but may require changing a lot more then just the file system. Patches for ext2 support for capabilities on the 2.3 kernels can be found in the Linux kernel archive (ftp://ftp.kernel.org/pub/linux/libs/security/linux-privs/kernel-2.3/) > - which ones don't require file system checking on startup? How reliable > is this? Well, minimal fscking is always necessary, but the journalling feature makes it really unnoticable. marek
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