These were exactly the pointers I needed, thank you both very much.
Regards,
-don-
On Friday, January 23, 2015 1:09 AM, Luis Periquito <periqu...@gmail.com> wrote:
you have a nice howto here
http://www.sebastien-han.fr/blog/2012/12/07/ceph-2-speed-storage-with-crush/ on
how to do this with crush rules.
On Fri, Jan 23, 2015 at 6:06 AM, Jason King <chn....@gmail.com> wrote:
Hi Don,
>
>
>Take a look at CRUSH settings.
>http://ceph.com/docs/master/rados/operations/crush-map/
>
>
>
>Jason
>
>
>2015-01-22 2:41 GMT+08:00 Don Doerner <dondoer...@sbcglobal.net>:
>
>OK, I've set up 'giant' in a single-node cluster, played with a replicated
>pool and an EC pool. All goes well so far. Question: I have two different
>kinds of HDD in my server - some fast, 15K RPM SAS drives and some big, slow
>(5400 RPM!) SATA drives.
>>
>>
>>Right now, I have OSDs on all, and when I created my pool, it got spread over
>>all of these drives like peanut butter.
>>
>>
>>The documentation (e.g., the documentation on cache tiering) hints that its
>>possible to differentiate fast from slow devices, but for the life of me, I
>>can't see how to create a pool on specific OSDs. So it must be done some
>>different way...
>>
>>
>>Can someone please provide a pointer?
>>
>>
>>Regards,
>>
>>
>>-don-
>>_______________________________________________
>>ceph-users mailing list
>>ceph-users@lists.ceph.com
>>http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>>
>>
>
>
>
>_______________________________________________
>ceph-users mailing list
>ceph-users@lists.ceph.com
>http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
>
_______________________________________________
ceph-users mailing list
ceph-users@lists.ceph.com
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
