Re: btrfs wishlist

2011-03-02 Thread Thomas Bellman
On 2011-03-01 19:39, Chris Mason wrote: We'll have raid56, but it won't be variable stripe size. There will be one stripe size for data and one for metadata but that's it. Will the stripe *width* be configurable? If I have something like a Sun Thor with 48 drives, I would probably not be

Re: btrfs wishlist

2011-03-02 Thread Justin Ossevoort
On 02/03/11 10:05, Thomas Bellman wrote: Will the stripe *width* be configurable? If I have something like a Sun Thor with 48 drives, I would probably not be entirely comfortable having 46 drives data and 2 drives parity; too little redundancy for my tastes. 2 drives parity per 10 drives

btrfs wishlist

2011-03-01 Thread Roy Sigurd Karlsbakk
Hi all Having managed ZFS for about two years, I want to post a wishlist. INCLUDED IN ZFS - Mirror existing single-drive filesystem, as in 'zfs attach' - RAIDz-stuff - single and hopefully multiple-parity RAID configuration with block-level checksumming - Background scrub/fsck - Pool-like

Re: btrfs wishlist

2011-03-01 Thread Chris Mason
Excerpts from Roy Sigurd Karlsbakk's message of 2011-03-01 13:35:42 -0500: Hi all Having managed ZFS for about two years, I want to post a wishlist. INCLUDED IN ZFS - Mirror existing single-drive filesystem, as in 'zfs attach' This one is easy, we do plan on adding it. - RAIDz-stuff -

Re: btrfs wishlist

2011-03-01 Thread Freddie Cash
On Tue, Mar 1, 2011 at 10:39 AM, Chris Mason chris.ma...@oracle.com wrote: Excerpts from Roy Sigurd Karlsbakk's message of 2011-03-01 13:35:42 -0500: - Pool-like management with multiple RAIDs/mirrors (VDEVs) We have a pool of drives nowI'm not sure exactly what the vdevs are. This