what is fsck's "slowdown"?

[Giorgos Keramidas]

On 2004-09-03 18:01, "Marc G. Fournier" <scrappy at hub.org> wrote:
>
> load: 0.99  cmd: fsck 67 [running] 15192.26u 142.30s 99% 184284k
> /dev/da0s1h: phase 4: cyl group 408 of 866 (47%)
>
> wouldn't it be possible, on a dual CPU system, to have group 434 and above
> run on one process, while group 433 and below running on the second, in
> parallel?  Its not like the drives are being beat up:

My intuition says that if metadata of the first part of the disk references
data residing on the second part synchronization and locking would probably
be a bit difficult; actually very difficult.