On 02/10/18 14:54, Feng Zhang wrote: > Hello all, > > Any progress on this de-clustered raid? > > May be you guys have known already that side from the de-clustered raid > which distribute data and parity chunks, there's also a method that > distribute spare chunks with the data and parity, which says can bring a > fault array(with 1 or more disks failed) back to normal production > status(rebuild) very quickly. > > Like the OpenZFS, https://github.com/zfsonlinux/zfs/wiki/dRAID-HOWTO, > they use a "Permutation Development Data Layout", which looks very > promising? > It's the usual Open Source answer, it'll get done when someone has the time/desire to do it, ie it'll probably be me. But firstly, linux is a hobby for me at the moment (even though I ?was? a professional programmer), and secondly, I'm a carer so finding time is hard. And I've had a rough few months. I know what I want to do - I've got the algorithm sorted I think. I'll add it to raid-10 for testing, and I'll add options for 60 and 61. WHEN I get time, sorry :-( Cheers, Wol