安装Ceph 软件
pve-->Ceph-->"Install Ceph-nautilus"
然后就跟着一步一步做就好了。
配置Ceph的磁盘
pve--> Ceph --> OSD --> Create:OSD
点击: Create
按照上述方式,把pve服务器其它硬盘也全部加进来。(上述为VM测试机)
下面的显示全是物理机:
三台机器全部安装好,把osd创建好后,情况如下:
我新测试环境是四台机器,
每台机器五个15k的磁盘
创建pool供服务器使用
pve--> Ceph --> Pools --> Create
一创建后,pve下的存储就会多出一个Test_pool
大约等个几秒,Test_pool准备就绪
Notes: Ceph可以创建多个Pool,有点类似于存储中的Thin Pool。
Ceph 磁盘管理
磁盘下线
如果想把一个ceph上正用的磁盘拿下来,如下操作:
先stop--->再out (类似先把osd的服务停止,再把磁盘取出)把osd.10 stop后,状态如下:然后再把osd.10 out,状态如下:
磁盘上线
先in --->再start (类似于把把磁盘放进去,再启动osd服务)
把osd.10 in 后,状态如下:再把osd.10 start
命令行查看ceph状态
root@pve:~# ceph df
RAW STORAGE:CLASS SIZE AVAIL USED RAW USED %RAW USED hdd 2.2 TiB 2.1 TiB 88 GiB 99 GiB 4.49 TOTAL 2.2 TiB 2.1 TiB 88 GiB 99 GiB 4.49POOLS:
POOL ID STORED OBJECTS USED %USED MAX AVAIL dpool 4 27 GiB 28.39k 87 GiB 4.29 646 GiB test01 6 0 B 0 0 B 0 646 GiB cephfs_data 7 0 B 0 0 B 0 646 GiB cephfs_metadata 8 17 KiB 22 1.5 MiB 0 646 GiB Test_Pool 9 0 B 0 0 B 0 646 GiB Test_pool1 10 0 B 0 0 B 0 646 GiB root@pve:~# ceph osd dfID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS 0 hdd 0.13280 1.00000 136 GiB 9.5 GiB 8.5 GiB 31 KiB 1024 MiB 127 GiB 6.98 1.55 189 up 1 hdd 0.13280 1.00000 136 GiB 8.5 GiB 7.5 GiB 39 KiB 1024 MiB 127 GiB 6.26 1.40 167 up 2 hdd 0.13280 1.00000 136 GiB 6.7 GiB 5.7 GiB 51 KiB 1024 MiB 129 GiB 4.90 1.09 158 up 3 hdd 0.13280 1.00000 136 GiB 8.5 GiB 7.5 GiB 31 KiB 1024 MiB 127 GiB 6.25 1.39 158 up 4 hdd 0.13280 1.00000 136 GiB 8.3 GiB 7.3 GiB 139 KiB 1024 MiB 128 GiB 6.08 1.35 156 up 5 hdd 0.13280 1.00000 136 GiB 7.1 GiB 6.1 GiB 23 KiB 1024 MiB 129 GiB 5.20 1.16 165 up 6 hdd 0.13280 1.00000 136 GiB 9.5 GiB 8.5 GiB 55 KiB 1024 MiB 126 GiB 7.01 1.56 174 up 7 hdd 0.13280 1.00000 136 GiB 8.4 GiB 7.4 GiB 135 KiB 1024 MiB 128 GiB 6.17 1.38 177 up 8 hdd 0.27150 1.00000 278 GiB 6.1 GiB 5.1 GiB 47 KiB 1024 MiB 272 GiB 2.20 0.49 153 up 9 hdd 0.27150 1.00000 278 GiB 9.0 GiB 8.0 GiB 167 KiB 1024 MiB 269 GiB 3.25 0.72 170 up 10 hdd 0.54489 1.00000 558 GiB 17 GiB 16 GiB 167 KiB 1024 MiB 541 GiB 3.08 0.69 349 up TOTAL 2.2 TiB 99 GiB 88 GiB 891 KiB 11 GiB 2.1 TiB 4.49 MIN/MAX VAR: 0.49/1.56 STDDEV: 1.75root@pve:~# ceph statuscluster:id: 973df567-8154-4bf3-9cbd-673210de1745health: HEALTH_OKservices:
mon: 3 daemons, quorum pve,pve02,pve03 (age 3h)mgr: pve(active, since 2h)mds: cephfs:1 {0=pve=up:active} 2 up:standbyosd: 11 osds: 11 up (since 4m), 11 in (since 4m)data:
pools: 6 pools, 672 pgsobjects: 28.41k objects, 109 GiBusage: 99 GiB used, 2.1 TiB / 2.2 TiB availpgs: 672 active+cleanio:
client: 130 KiB/s rd, 95 KiB/s wr, 1 op/s rd, 8 op/s wr root@pve:~# ceph osd status
+----+-------+-------+-------+--------+---------+--------+---------+-----------+
| id | host | used | avail | wr ops | wr data | rd ops | rd data | state |+----+-------+-------+-------+--------+---------+--------+---------+-----------+| 0 | pve | 9715M | 126G | 1 | 4096 | 1 | 102k | exists,up || 1 | pve | 8717M | 127G | 0 | 0 | 0 | 0 | exists,up || 2 | pve | 6818M | 129G | 1 | 15.2k | 0 | 3 | exists,up || 3 | pve | 8707M | 127G | 1 | 48.0k | 0 | 0 | exists,up || 4 | pve02 | 8460M | 127G | 0 | 1638 | 0 | 56.4k | exists,up || 5 | pve02 | 7243M | 128G | 2 | 22.4k | 0 | 0 | exists,up || 6 | pve02 | 9769M | 126G | 0 | 1638 | 0 | 51.2k | exists,up || 7 | pve02 | 8596M | 127G | 1 | 5734 | 0 | 0 | exists,up || 8 | pve03 | 6267M | 271G | 0 | 1638 | 0 | 102k | exists,up || 9 | pve03 | 9250M | 268G | 0 | 6553 | 0 | 0 | exists,up || 10 | pve03 | 17.2G | 540G | 1 | 17.6k | 2 | 0 | exists,up |+----+-------+-------+-------+--------+---------+--------+---------+-----------+root@pve:~#root@pve:~# ceph osd stat
11 osds: 11 up (since 10m), 11 in (since 11m); epoch: e3390root@pve:~# ceph osd treeID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -1 2.15027 root default -3 0.53119 host pve 0 hdd 0.13280 osd.0 up 1.00000 1.00000 1 hdd 0.13280 osd.1 up 1.00000 1.00000 2 hdd 0.13280 osd.2 up 1.00000 1.00000 3 hdd 0.13280 osd.3 up 1.00000 1.00000 -5 0.53119 host pve02 4 hdd 0.13280 osd.4 up 1.00000 1.00000 5 hdd 0.13280 osd.5 up 1.00000 1.00000 6 hdd 0.13280 osd.6 up 1.00000 1.00000 7 hdd 0.13280 osd.7 up 1.00000 1.00000 -7 1.08789 host pve03 8 hdd 0.27150 osd.8 up 1.00000 1.00000 9 hdd 0.27150 osd.9 up 1.00000 1.00000 10 hdd 0.54489 osd.10 up 1.00000 1.00000 -9 0 host pve04 root@pve:~#
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