On Wed, Mar 07, 2012 at 04:01:48PM -0600, Michael Cronenworth wrote: > Chris Murphy wrote: > >Well, most of my colleagues and customers with desktop systems have rather > >extreme storage requirements. Individual files multi gigabyte composited > >image files. So an SSD is nice for speed, but cost prohibitive for > >everything to be stored on SSD. What they need is a file system that puts > >hot files on the SSD and cold files on HDD. I think there is btrfs code > >being worked on to do just that. I don't know if it's any more or less > >difficult to do this on other filesystems. > > Yes, such a feature was submitted[1], but it has never been > committed by Chris AFAIK. There is also a OS-agnostic method of > this. Seagate XT drives use a small SSD as a cache. Then there is > also a Windows method with Intel's SSD Cache using a dedicated SSD > as only a cache. Either way gives you a similar result.
And also http://bcache.evilpiepirate.org/ . And Facebook's https://github.com/facebook/flashcache . And https://lwn.net/Articles/393013/ (cleancache), which is even in mainline kernel. -- Tomasz Torcz ,,If you try to upissue this patchset I shall be seeking xmpp: zdzich...@chrome.pl an IP-routable hand grenade.'' -- Andrew Morton (LKML) -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel
