Thank you. try to do it 02.07.2014, 05:30, "Gregory Farnum" <greg at 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, ????????? ??????? <v1t83 at 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" <greg at 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, ????????? ??????? <v1t83 at 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 at lists.ceph.com >> ?http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> ?-- >> ?Software Engineer #42 @ http://inktank.com | http://ceph.com
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