Benchmarks on a ceph image from a physical host

[root@cld-blu-04 ~]# rbd create --size 500G cinder-cloudtest/bench
 
 
[root@cld-blu-04 ~]# rbd feature disable cinder-cloudtest/bench object-map fast-diff deep-flatten
[root@cld-blu-04 ~]# rbd map --image cinder-cloudtest/bench
/dev/rbd0
 
[root@cld-blu-04 ~]# mkfs.xfs -f /dev/rbd0
meta-data=/dev/rbd0              isize=512    agcount=16, agsize=8192000 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=0, sparse=0
data     =                       bsize=4096   blocks=131072000, imaxpct=25
         =                       sunit=1024   swidth=1024 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal log           bsize=4096   blocks=64000, version=2
         =                       sectsz=512   sunit=8 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@cld-blu-04 ~]# grep rbd0 /etc/fstab
/dev/rbd0 /bench xfs defaults,noatime,_netdev        0 0
[root@cld-blu-04 ~]# mount /bench
[root@cld-blu-04 ~]# 

iozone -r 128k -i 0 -i 1 -i 2 -i 8 -t 1 -s 5G -F /bench/dir1/file1