gjournal panic 7.0-RC1

[Chris]

> If I understood this thread correctly, the impression of poor
> performance is based on a configuration where both the journal and the
> data are on the same physical drive. Intuitively, this will likely
> penalize any transaction on the volume, read or write, since you're
> asking the drive to not only accumulate a queue of information to the
> journal in one region of the disk but also to flush that data in "idle
> time" to a region in the data space on that same disk at a significant
> seek-length away.
>
> I would think that journaling on one drive and storing the resultant
> data-set on another would improve performance enormously (reduced
> seek-lengths) and more so if they were 1) high-rpm drives (less
> rotational latency) and 2) on different buses (no bus/controller
> contention),
>
>        Michael
>
Yes I have suspected this, there is 2 physical drives in the machine
so this would be possible, if its possible to swap the journals round
so they journaling for each other I will give it a go tommorow.  They
both sata 300 drives.

Chris