On Fri, Jun 22, 2007 at 01:22:26AM +0200, ballester.david@gmail.com
wrote:> Hi to all:
>
> I've reading about btrfs and some features looks very interesting!
>
> Exist any documentation where I can learn more about them? I'm very
> interested in understand what exactly signifies:
>
> 1.- Btr ;)
It is pronounced butterfs ;)
>
> 2.- Object level mirroring and striping ( something like Oracle ASM
> does? )
In this case, files and metadata are the objects. There will be the
ability to mirror and stripe them (this does not yet exist).
>
> 3.- Strong integration with device mapper for multiple device support
> ( some type of LVM ? )
The device mapper is the kernel portion that helps implement LVM. So
yes, integration with LVM style tools is on the list.
>
> 4.- Efficient incremental backup and FS mirroring ( Like rman does with
> database blocks in 10g? )
The FS metadata will make it possible to quickly find objects that have
changed since a given version of the FS.
>
> I can not help you very much coding, but If I can help you in other ways
> let me know
>
Thanks for taking a look. I hope to have another release out next week
that fixes problems with full disks. After that general testing would
be much appreciated.
-chris