root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# ceph osd dump
dumped osdmap epoch 12
epoch 12
fsid 20d9a51a-de2d-4915-a20b-0feaee8dc1bb
created 2012-10-18 12:16:40.897364
modifed 2012-10-18 12:27:15.343810
flags

pool 0 'data' rep size 2 crush_ruleset 0 object_hash rjenkins pg_num 192 pgp_num 192 last_change 1 owner 0 crash_replay_interval 45
pool 1 'metadata' rep size 2 crush_ruleset 1 object_hash rjenkins pg_num 192 pgp_num 192 last_change 1 owner 0
pool 2 'rbd' rep size 2 crush_ruleset 2 object_hash rjenkins pg_num 192 pgp_num 192 last_change 1 owner 0
pool 3 'ceph-black-pool-1-ha' rep size 2 crush_ruleset 0 object_hash rjenkins pg_num 2048 pgp_num 2048 last_change 11 owner 0

max_osd 6
osd.0 up   in  weight 1 up_from 2 up_thru 11 down_at 0 last_clean_interval [0,0) 10.10.140.221:6801/2857 10.10.140.221:6802/2857 10.10.140.221:6803/2857 exists,up 40355ccd-fd7e-4063-bca3-eb066e50108d
osd.1 up   in  weight 1 up_from 3 up_thru 11 down_at 0 last_clean_interval [0,0) 10.10.140.221:6804/2929 10.10.140.221:6805/2929 10.10.140.221:6806/2929 exists,up b5892299-4f87-45be-af97-67aa1b386d93
osd.2 up   in  weight 1 up_from 3 up_thru 11 down_at 0 last_clean_interval [0,0) 10.10.140.221:6807/3024 10.10.140.221:6808/3024 10.10.140.221:6809/3024 exists,up bd322a2f-5210-4d52-8486-76eeb7029409
osd.3 up   in  weight 1 up_from 8 up_thru 11 down_at 0 last_clean_interval [0,0) 10.10.140.222:6800/2608 10.10.140.222:6801/2608 10.10.140.222:6802/2608 exists,up 947e2268-1e32-4d30-81d6-62128d063c18
osd.4 up   in  weight 1 up_from 8 up_thru 11 down_at 0 last_clean_interval [0,0) 10.10.140.222:6803/2682 10.10.140.222:6804/2682 10.10.140.222:6805/2682 exists,up 339a1c03-5732-4a9f-b544-d180c7ebbe1b
osd.5 up   in  weight 1 up_from 8 up_thru 11 down_at 0 last_clean_interval [0,0) 10.10.140.222:6806/2778 10.10.140.222:6807/2778 10.10.140.222:6808/2778 exists,up dac99f95-4769-4af9-9425-5d23363fa9ad


root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# cephfs pool-1-ha set_layout -p 3 -c 1 -u 4194304 -s 4194304
Error setting layout: Invalid argument
root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# cephfs pool-1-ha set_layout -p ceph-black-pool-1-ha -c 1 -u 4194304 -s 4194304
root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# cephfs pool-1-ha show_layout
layout.data_pool:     0
layout.object_size:   4194304
layout.stripe_unit:   4194304
layout.stripe_count:  1
root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# cephfs pool-1-ha set_layout -p ceph-black-pool-1-ha -c 1 -u 4194304 -s 4194304
root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# cephfs pool-1-ha show_layout
layout.data_pool:     0
layout.object_size:   4194304
layout.stripe_unit:   4194304
layout.stripe_count:  1

root@rmi-orem-ceph-black-osd1:/mnt/ceph-black-kernel# uname -a
Linux rmi-orem-ceph-black-osd1 3.5.5-rmi-20121004 #1 SMP Fri Oct 5 23:36:06 MDT 2012 x86_64 x86_64 x86_64 GNU/Linux