Updating RAID[56] support

2010-04-30 Thread David Woodhouse
I've been looking again at the RAID5/RAID6 support, and updated the tree at git://git.infradead.org/users/dwmw2/btrfs-raid56.git#merged At the moment, we limit writes to a single disk's worth at a time, which means we _always_ do the read-calculateparity-write cycle and suffer the traditional

Re: Updating RAID[56] support

2010-04-30 Thread Josef Bacik
On Thu, Apr 29, 2010 at 07:06:06PM +0100, David Woodhouse wrote: I've been looking again at the RAID5/RAID6 support, and updated the tree at git://git.infradead.org/users/dwmw2/btrfs-raid56.git#merged At the moment, we limit writes to a single disk's worth at a time, which means we _always_

Re: Updating RAID[56] support

2010-04-30 Thread Roy Sigurd Karlsbakk
- David Woodhouse dw...@infradead.org skrev: I've been looking again at the RAID5/RAID6 support, and updated the tree at git://git.infradead.org/users/dwmw2/btrfs-raid56.git#merged At the moment, we limit writes to a single disk's worth at a time, which means we _always_ do the

Re: Updating RAID[56] support

2010-04-30 Thread David Woodhouse
On Fri, 2010-04-30 at 14:39 -0400, Josef Bacik wrote: It seems to work, and recovery is successful when I mount the file system with -oro,degraded. But in read-write mode it'll oops (even without the below patch) because it's trying to _write_ to the degraded RAID6. Last time I was testing