Hi Kyle, On Mon, Feb 13, 2023 at 1:12 PM Kyle Sanderson <kyle.leet@xxxxxxxxx> wrote: > [...] > > > > > The benefit of this can be the data disks are all zoned, and you can > > > have a fast parity disk and still maintain excellent performance in > > > the array (limited only by the speed of the disk in question + > > > parity). Additionally, should 2 disks fail, you've either lost the > > > parity and data disk, or 2 data disks with the parity and other disks > > > not lost. I think I understand the high level idea here. But I think we need a lot more details on how to implement this, and what the system would look like. Also, I don't quite follow why the data disks can be zoned devices and still maintain excellent performance. > > > I was reading through the DM and MD code and it looks like everything > > > may already be there to do this, just needs (significant) stubs to be > > > added to support this mode (or new code). Snapraid is a friendly (and > > > respectable) implementation of this. Unraid and Synology SHR compete > > > in this space, as well as other NAS and enterprise SAN providers. Assume we figure out all the details. I will be happy to review patches in MD code. But I won't be able to develop this feature myself. Thanks, Song -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
