Re: RAID[56] with arbitrary numbers of "parity" stripes.

2009-08-22 Thread tsuraan
> By the way - how does FUSE ZFS work? Is it stable? Good performance? > We're using ZFS natively on Solaris 10 now, perhaps moving the storage > to opensolaris soon. It's pretty stable; I wouldn't put anything on it that isn't backed up, but I guess that holds for any other filesystem. The speed

Re: RAID[56] with arbitrary numbers of "parity" stripes.

2009-08-22 Thread Roy Sigurd Karlsbakk
On 22. aug.. 2009, at 17.34, tsuraan wrote: We discussed using the top bits of the chunk type field field to store a number of redundant disks -- so instead of RAID5, RAID6, etc., we end up with a single 'RAID56' flag, and the amount of redundancy is stored elsewhere. Is there any sort of

Re: RAID[56] with arbitrary numbers of "parity" stripes.

2009-08-22 Thread tsuraan
> We discussed using the top bits of the chunk type field field to store a > number of redundant disks -- so instead of RAID5, RAID6, etc., we end up > with a single 'RAID56' flag, and the amount of redundancy is stored > elsewhere. Is there any sort of timeline for RAID5/6 support in btrfs? I cu

RAID[56] with arbitrary numbers of "parity" stripes.

2009-08-05 Thread David Woodhouse
We discussed using the top bits of the chunk type field field to store a number of redundant disks -- so instead of RAID5, RAID6, etc., we end up with a single 'RAID56' flag, and the amount of redundancy is stored elsewhere. This attempts it, but I hate it and don't really want to do it. The type