Re: safe file systems

Rob Hagopian (
Wed, 24 Sep 1997 08:15:53 -0400 (EDT)

The filesystem you're describing is called a "journaled" filesystem...
The system "journals" all writes, so that if an operation doesn't complete
(ie. in a crash), it can be "rolled back" (reversed) safely.

I believe that there is a group vaguely working on one, but my memory
-Rob H.

On Tue, 23 Sep 1997, Larry McVoy wrote:

> Do you think it would be possible to build a safe, slow file system?
> By safe, I mean that I could hit reset in the middle of 50 parallel
> un-tars and reboot the system and the file system comes up clean (no fsck,
> but data loss)?
> Has anyone thought about this very much? If so, is there a mailing list or
> archive that I can browse?
> Thanks.
> --lm
> P.S. If someone has some interest in working on this full time, we're
> hiring.