Thank you. try to do it
02.07.2014, 05:30, "Gregory Farnum" <g...@inktank.com>: > Yeah, the features are new from January or something so you need a > very new kernel to support it. There are no options to set. > But in general I wouldn't use krbd if you can use librbd instead; it's > easier to update and more featureful! > -Greg > Software Engineer #42 @ http://inktank.com | http://ceph.com > > On Tue, Jul 1, 2014 at 5:44 PM, Никитенко Виталий <v1...@yandex.ru> wrote: >> Hi! >> >> There is some option in the kernel which must be included, or just upgrade >> to the latest version of the kernel? I use 3.13.0-24 >> >> Thanks >> >> 01.07.2014, 20:17, "Gregory Farnum" <g...@inktank.com>: >> >> It looks like you're using a kernel RBD mount in the second case? I imagine >> your kernel doesn't support caching pools and you'd need to upgrade for it >> to work. >> -Greg >> >> On Tuesday, July 1, 2014, Никитенко Виталий <v1...@yandex.ru> wrote: >> >> Good day! >> I have server with Ubunu 14.04 and installed ceph firefly. Configured >> main_pool (2 osd) and ssd_pool (1 ssd osd). I want use ssd_pool as cache >> pool for main_pool >> >> ceph osd tier add main_pool ssd_pool >> ceph osd tier cache-mode ssd_pool writeback >> ceph osd tier set-overlay main_pool ssd_pool >> >> ceph osd pool set ssd_pool hit_set_type bloom >> ceph osd pool set ssd_pool hit_set_count 1 >> ceph osd pool set ssd_pool hit_set_period 600 >> ceph osd pool set ssd_pool target_max_bytes 100000000000 >> >> If use tgt as: >> tgtadm --lld iscsi --mode logicalunit --op new --tid 1 --lun 1 --bstype rbd >> --backing-store main_pool/store_main --bsopts "conf=/etc/ceph/ceph.conf" >> and then connected from iscsi initiator to this Lun1, i see that ssd_pool >> is used as cache (i see through iostat -x 1) but slow speed >> >> If use tgt as (or other sush as scst, iscsitarget): >> tgtadm --lld iscsi --mode logicalunit --op new --tid 1 --lun 1 -b /dev/rbd1 >> (where rbd1=main_pool/store_main) >> and then connected from iscsi initiator to this Lun1, i see that ssd_pool >> is not used, that write through to 2 osd >> >> Help me, anyone work this iscsi and cache pool? >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> -- >> Software Engineer #42 @ http://inktank.com | http://ceph.com _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
