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" <hurikhan77@xxxxxxxxx>: > Am Mon, 06 Feb 2017 00:42:01 +0300 > schrieb Alexander Tomokhov <alexoundos@xxxxx>: > >> 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 majordomo@xxxxxxxxxxxxxxx > 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 majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
