On Fri, Aug 23, 2013 at 12:04:10PM +0200, mpe wrote: > On 23/08/2013 09:42, Liu Bo wrote: > >Hi, > > > >On Thu, Aug 22, 2013 at 09:28:09PM +0200, Florian Lindner wrote: > >>Hello, > >> > >>some questions regarding btrfs deduplication. > >> > >>- What is the state of it? Is it "safe" to use? > >>https://btrfs.wiki.kernel.org/index.php/Deduplication does not yield > >>much information. > > > >For inband dedup, it's experimental because it introduces some format changes. > > > > In our tests we are trying btrfs for our internal storage backup > backend and we like a lot compression! Now would like to test inband > dedup. dedup can cope with compression, too. > Does those patchs (are v6 the last?) can be used on ubuntu lts? Do > have a simple howt-to to follow? I didn't try ubuntu lts yet, but the v6 patch set can be well applied on 3.11-rc4. To enable dedup, you need to 1) mount DEV /PATH_OF_MNT -o dedup (or -o dedup_bs=xxxK) 2) btrfs dedup register /PATH_OF_MNT 3) write your data now :) Feel free to tell me if any questions, thanks. -liubo -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
