Yeah, thank you for suggestion. Bcache is what I actually use right now. 
However it's concept is different, operating at block/bucket level and requires 
another (underlying!) layer.

06.02.2017, 01:27, "Kai Krakow" <hurikha...@gmail.com>:
> Am Mon, 06 Feb 2017 00:42:01 +0300
> schrieb Alexander Tomokhov <alexoun...@ya.ru>:
>
>>  Is it possible, having two drives to do raid1 for metadata but keep
>>  data on a single drive only? --
>
> No, but you could take a look into bcache which should get you
> something similar if used in write-around mode.
>
> Random access will become cached in bcache, which should most of the
> time be metadata, plus of course randomly accessed data from HDD. If
> you reduce the sequential cutoff trigger in bcache, it should cache
> mostly metadata only.
>
> --
> Regards,
> Kai
>
> Replies to list-only preferred.
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to