I see reference of another dm-cache from ming zhao as far back as 2007. Found a link here https://github.com/mingzhao/dm-cache. Does anybody know the history behind this stuff? I would have expected one of these solutions to be pushed upstream by now considering how much interest is around tiered storage.. On Thu, Feb 28, 2013 at 7:30 AM, Leo Antonio <heiligerstein@gmail.com> wrote: > Thanks for answers. > > > I take a look in dm-cache-target, I really dont knew this project. > > Joe, what is the best way to continue this discussion? > > Do you have some documentation besides what is into kernel source, like > Papers, Architecture Projects etc? > What is the best way to start to understand this? > > > Thanks! > > > 2013/2/27 <thornber@redhat.com> > >> On Tue, Feb 26, 2013 at 03:44:43PM -0300, Leo Antonio wrote: >> > Hello, everyone. >> > >> > I'm willing to do research about second-level cache using SSDs and I >> > think >> > that the best way to do this is using LVM/Device Mapper, because other >> > implementations are based on FUSE, virtualization layers, and others. >> > >> > What I'm trying to do is to develop a subsystem that will put hot >> > blocks/PEs on SSDs-Cache, as well as group related blocks/PEs on cache >> > automatically. Not simply put on SSD the most used files or >> > directories. >> > >> > The problem is that I could not find any documentation about DM or LVM >> > to >> > help my research and development. >> > >> > Could you point me to some documentation or what's the best way to >> > accomplish this? >> >> See my dm-cache target in this branch of my tree: >> >> https://github.com/jthornber/linux-2.6/tree/thin-dev >> >> >> https://github.com/jthornber/linux-2.6/blob/thin-dev/drivers/md/dm-cache-target.c >> >> There's still a lot of work to do on the policy plug-ins, so if you >> like to get involved that would be great. >> >> - Joe >> >> _______________________________________________ >> linux-lvm mailing list >> linux-lvm@redhat.com >> https://www.redhat.com/mailman/listinfo/linux-lvm >> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ > > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@redhat.com > https://www.redhat.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/ _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
