Re: [ceph-users] questions on editing crushmap for ceph cache tier

> On Jul 31, 2015, at 2:55 AM, Robert LeBlanc wrote: > > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA256 > > You are close... > > I've done it by creating a new SSD root in the CRUSH map, then put the > SSD OSDs into a -ssd entry. I then created a new crush rule to choose > from the SSD roo

Re: [ceph-users] questions on editing crushmap for ceph cache tier

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 You are close... I've done it by creating a new SSD root in the CRUSH map, then put the SSD OSDs into a -ssd entry. I then created a new crush rule to choose from the SSD root, then have the tiering pool use that rule. If you look at the example in

[ceph-users] questions on editing crushmap for ceph cache tier

Hi, list, Ceph cache tier seems very promising for performance. According to http://ceph.com/docs/master/rados/operations/crush-map/#placing-different-pools-on-different-osds , I need to cr