10.2.11. 为 NVMe 安装 Ceph 并验证成功


  1. 运行 site.yml Ansible playbook 来安装 Ceph

    $ ansible-playbook -v site.yml -i hosts
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  2. 在安装完成后验证 Ceph 是否正常运行

    # ceph -s
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    # ceph osd tree
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    ceph -s 输出显示 Ceph 正常运行:

    # ceph -s
      cluster:
        id:     9ba22f4c-b53f-4c49-8c72-220aaf567c2b
        health: HEALTH_WARN
                Reduced data availability: 32 pgs inactive
    
      services:
        mon: 3 daemons, quorum b08-h03-r620,b08-h05-r620,b08-h06-r620
        mgr: b08-h03-r620(active), standbys: b08-h05-r620, b08-h06-r620
        osd: 42 osds: 42 up, 42 in
    
      data:
        pools:   4 pools, 32 pgs
        objects: 0 objects, 0 bytes
        usage:   0 kB used, 0 kB / 0 kB avail
        pgs:     100.000% pgs unknown
                 32 unknown
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    显示 Ceph 正常运行的 ceph osd 树 输出示例:

    [root@c04-h01-6048r ~]# ceph osd tree
    ID  CLASS WEIGHT   TYPE NAME              STATUS REWEIGHT PRI-AFF
     -1       60.86740 root default
     -7        8.69534     host c04-h01-6048r
     10   hdd  1.81799         osd.10             up  1.00000 1.00000
     13   hdd  1.81799         osd.13             up  1.00000 1.00000
     21   hdd  1.81799         osd.21             up  1.00000 1.00000
     27   hdd  1.81799         osd.27             up  1.00000 1.00000
      6   ssd  0.71169         osd.6              up  1.00000 1.00000
     15   ssd  0.71169         osd.15             up  1.00000 1.00000
     -3        8.69534     host c04-h05-6048r
      7   hdd  1.81799         osd.7              up  1.00000 1.00000
     20   hdd  1.81799         osd.20             up  1.00000 1.00000
     29   hdd  1.81799         osd.29             up  1.00000 1.00000
     38   hdd  1.81799         osd.38             up  1.00000 1.00000
      4   ssd  0.71169         osd.4              up  1.00000 1.00000
     25   ssd  0.71169         osd.25             up  1.00000 1.00000
    -22        8.69534     host c04-h09-6048r
     17   hdd  1.81799         osd.17             up  1.00000 1.00000
     31   hdd  1.81799         osd.31             up  1.00000 1.00000
     35   hdd  1.81799         osd.35             up  1.00000 1.00000
     39   hdd  1.81799         osd.39             up  1.00000 1.00000
      5   ssd  0.71169         osd.5              up  1.00000 1.00000
     34   ssd  0.71169         osd.34             up  1.00000 1.00000
     -9        8.69534     host c04-h13-6048r
      8   hdd  1.81799         osd.8              up  1.00000 1.00000
     11   hdd  1.81799         osd.11             up  1.00000 1.00000
     30   hdd  1.81799         osd.30             up  1.00000 1.00000
     32   hdd  1.81799         osd.32             up  1.00000 1.00000
      0   ssd  0.71169         osd.0              up  1.00000 1.00000
     26   ssd  0.71169         osd.26             up  1.00000 1.00000
    -19        8.69534     host c04-h21-6048r
     18   hdd  1.81799         osd.18             up  1.00000 1.00000
     23   hdd  1.81799         osd.23             up  1.00000 1.00000
     36   hdd  1.81799         osd.36             up  1.00000 1.00000
     40   hdd  1.81799         osd.40             up  1.00000 1.00000
      3   ssd  0.71169         osd.3              up  1.00000 1.00000
     33   ssd  0.71169         osd.33             up  1.00000 1.00000
    -16        8.69534     host c04-h25-6048r
     16   hdd  1.81799         osd.16             up  1.00000 1.00000
     22   hdd  1.81799         osd.22             up  1.00000 1.00000
     37   hdd  1.81799         osd.37             up  1.00000 1.00000
     41   hdd  1.81799         osd.41             up  1.00000 1.00000
      1   ssd  0.71169         osd.1              up  1.00000 1.00000
     28   ssd  0.71169         osd.28             up  1.00000 1.00000
     -5        8.69534     host c04-h29-6048r
      9   hdd  1.81799         osd.9              up  1.00000 1.00000
     12   hdd  1.81799         osd.12             up  1.00000 1.00000
     19   hdd  1.81799         osd.19             up  1.00000 1.00000
     24   hdd  1.81799         osd.24             up  1.00000 1.00000
      2   ssd  0.71169         osd.2              up  1.00000 1.00000
     14   ssd  0.71169         osd.14             up  1.00000 1.00000
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    Ceph 现已设置为将两个 NVMe 设备设置为最佳地用于对象存储网关。

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