Neil Brown <neilb@xxxxxxx> writes:
> Online changing of chunk size for raid5 is very close to being
> implemented.
> All the kernel side support will be in 2.6.30.
> I just need to spend some time getting mdadm to make it work.
> Because data is being rearranged in-place, and because you don't want
> to lose everything if your systems crashes, mdadm will have to work in
> tandem with the kernel making a backup copy of a section of the array,
> allowing the kernel to reshape that section, and then moving on to the
> next section. It will be slow, but it will be reliable.
>
> NeilBrown
Shouldn't mdadm create a file and pass the FD to the kernel or a
loopback device and pass the major/minor and the kernel then moves
data there itself? Seems like a bad idea to pass all the data of the
raid to userspace just so it can be passed back to the kernel again.
MfG
Goswin
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
