Messages in this thread |  | | Date | Wed, 09 May 2001 04:21:45 -0700 | From | Hans Reiser <> | Subject | Re: reiserfs, xfs, ext2, ext3 |
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Alan Cox wrote:
> > that reiserfs has had lots of bugs, and is marked as experimental in kernel > > 2.4.4. Not to mention that the people of RH discourage there users from using > > it. > > At the time Red Hat 7.1 was mastered Reiserfs was not stable. The reiserfs in > the RH kernel has some of the tail fixes but newer ones are not present. Also > it had other problems then: the fsck tool was useless, it didnt work on > big endian machines (eg PPC, S/390). > > If Hans sent me a patch removing the experimental tag from Reiserfs the only > thing that would make me hesitate the slightest from applying it would be the > endianness thing, and thats not enough to stop it being applied.
Jeff Mahoney has a patch in progress for this, he currently has the kernel code working, but needs to do the utilities. I would hesitate to put the endianness fixes in before 2.5.1 just because I am conservative about disturbing stable code.
There exists one known bug which one user has hit which required a major code change to fix. We are now testing the code, and are in the ironic situation of hesitating to merge in a bug fix out of fear that the bugfix code is large and untested, and it might have bugs that more than one user will hit.:-/ I think we are going to make the new code an option until it has been extensively tested.
I think that 2.4.4 is stable, and I say this based upon us getting lots of users with hardware bugs and none with bugs not fixed in 2.4.4 in the entire time since 2.4.4 was released.
> > > > There has also been lots of talks about reiserfs being the cause of some data > > lose and performance lose (not sure about this last one). > > If you are running 2.4.4/2.4.4-ac/2.4.5pre I believe all the relevant reiserfs > patches are applied. The new fsck seems to work a lot better too. The limiters > right now are: > - You need a patch for NFS (its on their site no big deal) > - You can only use little endian boxes (x86 for you so ok)
you also need a patch for quotas.
> > > I think that the data lose is not significant in a proxy cache, if the FS is > > really fast, as is said reiserfs is.
you can ask nikita for a copy of reiserfs_raw, a version of reiserfs designed for squid. It is substantially faster.
Hans
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