Date: Sat, 7 Jul 2001 22:09:10 -0500 From: "Dave Uhring" <duhring@charter.net> To: "Bill Moran" <wmoran@iowna.com> Cc: <freebsd-stable@FreeBSD.ORG> Subject: Re: JFS Message-ID: <002901c1075b$5c524b40$0300a8c0@uhring.com> References: <200107071638.SAA19610@lurza.secnetix.de> <01070711475500.00362@dave> <3B476285.43347BA1@nasby.net> <000d01c1074e$49d31ba0$0300a8c0@uhring.com> <3B477970.2CD1B73B@iowna.com>
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----- Original Message ----- From: "Bill Moran" <wmoran@iowna.com> Cc: <freebsd-stable@FreeBSD.ORG> Sent: Saturday, July 07, 2001 4:04 PM Subject: Re: JFS > Dave Uhring wrote: > > You seem to have missed the critical point of that paper. When the > > system goes completely haywire and either crashes or locks up so hard > > that a manual reset is required, UFS/softupdates requires a substantial > > amount of time to run fsck. If you have a very large filesystem, you > > then have to w....a....i....t until fsck completes. And if you are > > lucky, it will not terminate with the suggestion that you run fsck by > > hand. With a true journalling filesystem this wait is obviated. The > > last transactions are rerun or truncated and the system boots up. > > Actually ... according to the article, the system boots up and _then_ > determines what needs done to repair the filesystem. > > Also, the lack of a need for fscking is not the only benefit of > RieserFS. In fact, it's a _minor_ improvement. If your system is > going down so often that the speed of a fsck is a major factor in the > layout of the system, you've got other issues you need to address > first! > The other issues that might make Reiserfs a good idea (and a possible > improvement over UFS) are the various improvements such as small > file storage and large directory storage. I know that I'm interested > in seeing performance comparisons with regard to these factors, and > so far, I've seen none that compare ReiserFS to UFS/softupdates. > > My $.02 > > -Bill > As I indicated, my experience with ReiserFS is limited. I have been using SGI's XFS for Linux for a short time and am quite pleased with its performance and filesystem integrity. If you have a spare system available, it's easy enough to try it out. http://oss.sgi.com/projects/xfs/1.0_installer.html Also requires the 2 install CDs for RedHat-7.1. SGI's ftp site has a patch available to bring up XFS on Linux-2.4.5 kernel, also. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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