Re: journaling filesystem

Rik van Riel (H.H.vanRiel@phys.uu.nl)
Fri, 15 May 1998 02:49:23 +0200 (MET DST)


On Thu, 14 May 1998, Pierre Phaneuf wrote:

> > flushes stuff to disk every 60 secs. And while I suppose it's possible,
> > I've never (in the last 3.5 years) detected a case in which user data was
> > corrupted or lost. But then again, I don't work in support. :)
>
> Oh yes? Doesn't that make it slighly less useful? If it doesn't protect
> the data itself? But then, I don't know much about the exact workings of
> fsck, but I think it only checks for the filesystem coherency, right?
> Which would happen to be only metadata, not the user data...

This can be solved quite simple:
On round 1, we flush user data only.
On round 2, we flush the round-1 metadata and the round-2 user data.
On round 3...

Rik.
+-------------------------------------------+--------------------------+
| Linux: - LinuxHQ MM-patches page | Scouting webmaster |
| - kswapd ask-him & complain-to guy | Vries cubscout leader |
| http://www.phys.uu.nl/~riel/ | <H.H.vanRiel@phys.uu.nl> |
+-------------------------------------------+--------------------------+

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu