Re: ReiserFS / 2.4.6 / Data Corruption

From: Hans Reiser (
Date: Fri Jul 27 2001 - 10:33:54 EST

Daniel Phillips wrote:
> On Friday 27 July 2001 16:18, Joshua Schmidlkofer wrote:
> > I've almost quit using reiser, because everytime I have a power
> > outage, the last 2 or three files that I've editted, even ones that I
> > haven't touched in a while, will usually be hopelessly corrupted.
> My early flush patch will fix this, or at least it will if I get
> together with the ReiserFS guys and figure out how to integrate their
> flushing mechanism with the standard bdflush. Or they could
> incorporate the ideas from my early flush in their own flush daemon,
> though generalizing the standard flush would have more value in the
> long run.

Can you describe early flush?

> > The '<file>~' that Emacs makes is usually fine though.
> Because it's "created" by a rename.
> [...]
> > Once, I lost power in on my SQL box, [it was blessedly during a
> > period of no use.] I had to rebuild all the indexes. Not only
> > THAT, but what happens to that box if I lose power whilst in the
> > middle of operations? I am working on the migration plan to move that
> > to XFS because of these concerns. [However, I am doing a better job
> > of testing with XFS first.]
> Help is on its way. You can try full-data journalling with the journal
> on NVRAM or on a separate disk. You can also wait for me to get a

Well, if you have NVRAM, you might try using our new journal relocation patch to put the journal on

> I think it's not hard to fix.
> --
> Daniel
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:33 EST