> -----Original Message----- > From: linux-raid-owner@xxxxxxxxxxxxxxx [mailto:linux-raid- > owner@xxxxxxxxxxxxxxx] On Behalf Of Mike Power > Sent: Tuesday, July 19, 2011 3:14 PM > To: Roman Mamedov > Cc: linux-raid@xxxxxxxxxxxxxxx > Subject: Re: RAID 1 using SSD and 2 HDD > > Thanks for the link. That is the kind of thing I am looking for. > > On 07/19/2011 11:32 AM, Roman Mamedov wrote: > > On Tue, 19 Jul 2011 11:15:22 -0700 > > Mike Power<mpower@xxxxxxxxxxxx> wrote: > > > >> Is it possible to implement a RAID 1 array using two equal size HDD > >> and one smaller and faster SSD. The idea being that the resulting > >> RAID would have the same size of the HDD while picking up the speed > >> benefits of the SSD. > > See http://bcache.evilpiepirate.org/ > > Also, Roberto referred to the facebook flashcache implementation. It is based on device-mapper and last I tried bcache, probably a bit more production-worthy at the moment (though bcache looks intriguing long term, so I'd suggest to try both and draw your own conclusion): https://github.com/facebook/flashcache Brian -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html