单机一键安装Ceph。
系统要求：
- Ubuntu 12.04 以上
- 主机名不能是 localhost
- 目录空间1GB以上
$cd /opt/
$git clone https://github.com/zhurongze/devceph.git
$cd devceph
$./devceph.sh install
$./devceph.sh start
$ceph -s
其他命令：
$./devceph.sh stop
$./devceph.sh restart
$./devceph.sh clean
$./devceph.sh uninstall
创建一个新的pool:
$ceph osd pool create testpool 96 96
上传文件到testpool中:
$rados --pool=testpool put education.avi mm.avi
查看系统容量：
$ rados --pool=testpool ls
education.avi
$
$ rados df
pool name category KB objects clones degraded unfound rd rd KB wr wr KB
data - 0 0 0 0 0 0 0 0 0
metadata - 0 0 0 0 0 0 0 0 0
rbd - 0 0 0 0 0 0 0 0 0
testpool - 30720 1 0 0 0 0 0 8 30720
total used 10622440 1
total avail 48153284
total space 61921140
$ ceph df
GLOBAL:
SIZE AVAIL RAW USED %RAW USED
60469M 47024M 10373M 17.15
POOLS:
NAME ID USED %USED OBJECTS
data 0 0 0 0
metadata 1 0 0 0
rbd 2 0 0 0
testpool 3 30720K 0.05 1
更多帮助
$ceph --help #ceph 集群的命令
$rados --help #rados对象存储的命令
$rbd --help #rbd块设备存储的命令
具体用法请参考 https://github.com/ceph/ceph/blob/master/src/test/pybind/test_rados.py
>>> import rados
>>> cc = rados.Rados(rados_id='admin', conffile='/etc/ceph/ceph.conf')
>>> cc.connect()
>>> cc.list_pools()
['data', 'metadata', 'rbd', 'testpool']
>>> ioctx = cc.open_ioctx('testpool')
>>> object_names = [obj.key for obj in ioctx.list_objects()]
>>> print object_names
['education.avi']
>>>