Dear all, Thanks for the reply. Pool replicated size is 2. Because the replicated size parameter already write into ceph.conf before deploy. Because not familiar crush map. I will according Mark's information to do a test that change the crush map to see the result.
-----------ceph.conf------------------ [global] fsid = c404ded6-4086-4f0b-b479- 89bc018af954 mon_initial_members = storage0 mon_host = 192.168.1.10 auth_cluster_required = cephx auth_service_required = cephx auth_client_required = cephx filestore_xattr_use_omap = true *osd_pool_default_size = 2osd_pool_default_min_size = 1* osd_pool_default_pg_num = 128 osd_journal_size = 2048 osd_pool_default_pgp_num = 128 osd_mkfs_type = xfs ------------------------------------------- ----------------------ceph osd dump result ----------------------------- pool 0 'data' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 14 flags hashpspool crash_replay_interval 45 stripe_width 0 pool 1 'metadata' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 15 flags hashpspool stripe_width 0 pool 2 'rbd' replicated size 2 min_size 1 crush_ruleset 0 object_hash rjenkins pg_num 64 pgp_num 64 last_change 16 flags hashpspool stripe_width 0 max_osd 2 ------------------------------------------------------------------------------ Best wishes, Mika Best wishes, Mika 2014-10-29 16:56 GMT+08:00 Mark Kirkwood <[email protected]>: > That is not my experience: > > $ ceph -v > ceph version 0.86-579-g06a73c3 (06a73c39169f2f332dec760f56d3ec20455b1646) > > $ cat /etc/ceph/ceph.conf > [global] > ... > osd pool default size = 2 > > $ ceph osd dump|grep size > pool 2 'hot' replicated size 2 min_size 1 crush_ruleset 0 object_hash > rjenkins pg_num 128 pgp_num 128 last_change 47 flags > hashpspool,incomplete_clones tier_of 1 cache_mode writeback target_bytes > 2000000000 hit_set bloom{false_positive_probability: 0.05, target_size: > 0, seed: 0} 3600s x1 stripe_width 0 > pool 10 '.rgw.root' replicated size 2 min_size 1 crush_ruleset 0 > object_hash rjenkins pg_num 8 pgp_num 8 last_change 102 owner > 18446744073709551615 flags hashpspool stripe_width 0 > pool 11 '.rgw.control' replicated size 2 min_size 1 crush_ruleset 0 > object_hash rjenkins pg_num 8 pgp_num 8 last_change 104 owner > 18446744073709551615 flags hashpspool stripe_width 0 > pool 12 '.rgw' replicated size 2 min_size 1 crush_ruleset 0 object_hash > rjenkins pg_num 8 pgp_num 8 last_change 106 owner 18446744073709551615 > flags hashpspool stripe_width 0 > pool 13 '.rgw.gc' replicated size 2 min_size 1 crush_ruleset 0 object_hash > rjenkins pg_num 8 pgp_num 8 last_change 107 owner 18446744073709551615 > flags hashpspool stripe_width 0 > pool 14 '.users.uid' replicated size 2 min_size 1 crush_ruleset 0 > object_hash rjenkins pg_num 8 pgp_num 8 last_change 108 owner > 18446744073709551615 flags hashpspool stripe_width 0 > pool 15 '.rgw.buckets.index' replicated size 2 min_size 1 crush_ruleset 0 > object_hash rjenkins pg_num 8 pgp_num 8 last_change 110 owner > 18446744073709551615 flags hashpspool stripe_width 0 > pool 16 '.rgw.buckets' replicated size 2 min_size 1 crush_ruleset 0 > object_hash rjenkins pg_num 8 pgp_num 8 last_change 112 owner > 18446744073709551615 flags hashpspool stripe_width 0 > pool 17 'rbd' replicated size 2 min_size 1 crush_ruleset 0 object_hash > rjenkins pg_num 1024 pgp_num 1024 last_change 186 flags hashpspool > stripe_width 0 > > > > > > > On 29/10/14 21:46, Irek Fasikhov wrote: > >> Hi. >> This parameter does not apply to pools by default. >> ceph osd dump | grep pool. see size=? >> >> >> 2014-10-29 11:40 GMT+03:00 Vickie CH <[email protected] >> <mailto:[email protected]>>: >> >> Der Irek： >> >> Thanks for your reply. >> Even already set "osd_pool_default_size = 2" the cluster still need >> 3 different hosts right？ >> Is this default number can be changed by user and write into >> ceph.conf before deploy？ >> >> >> Best wishes, >> Mika >> >> 2014-10-29 16:29 GMT+08:00 Irek Fasikhov <[email protected] >> <mailto:[email protected]>>: >> >> Hi. >> >> Because the disc requires three different hosts, the default >> number of replications 3. >> >> 2014-10-29 10:56 GMT+03:00 Vickie CH <[email protected] >> <mailto:[email protected]>>: >> >> >> Hi all, >> Try to use two OSDs to create a cluster. After the >> deply finished, I found the health status is "88 >> active+degraded" "104 active+remapped". Before use 2 osds to >> create cluster the result is ok. I'm confuse why this >> situation happened. Do I need to set crush map to fix this >> problem？ >> >> >> ----------ceph.conf--------------------------------- >> [global] >> fsid = c404ded6-4086-4f0b-b479-89bc018af954 >> mon_initial_members = storage0 >> mon_host = 192.168.1.10 >> auth_cluster_required = cephx >> auth_service_required = cephx >> auth_client_required = cephx >> filestore_xattr_use_omap = true >> osd_pool_default_size = 2 >> osd_pool_default_min_size = 1 >> osd_pool_default_pg_num = 128 >> osd_journal_size = 2048 >> osd_pool_default_pgp_num = 128 >> osd_mkfs_type = xfs >> --------------------------------------------------------- >> >> -----------ceph -s----------------------------------- >> cluster c404ded6-4086-4f0b-b479-89bc018af954 >> health HEALTH_WARN 88 pgs degraded; 192 pgs stuck >> unclean >> monmap e1: 1 mons at {storage0=192.168.10.10:6789/0 >> <http://192.168.10.10:6789/0>}, election epoch 2, quorum 0 >> storage0 >> osdmap e20: 2 osds: 2 up, 2 in >> pgmap v45: 192 pgs, 3 pools, 0 bytes data, 0 objects >> 79752 kB used, 1858 GB / 1858 GB avail >> 88 active+degraded >> 104 active+remapped >> -------------------------------------------------------- >> >> >> Best wishes, >> Mika >> >> _______________________________________________ >> ceph-users mailing list >> [email protected] <mailto:[email protected]> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> >> >> >> -- >> С уважением, Фасихов Ирек Нургаязович >> Моб.: +79229045757 >> >> >> >> >> >> -- >> С уважением, Фасихов Ирек Нургаязович >> Моб.: +79229045757 >> >> >> _______________________________________________ >> ceph-users mailing list >> [email protected] >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> >
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