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  • ceph存储osd启动异常处理和正常启停操作

    机器角色:cloudstack虚拟机的宿主机;ceph存储机器。

    事件:ceph存储的物理机器由于内存异常,需要停机更换,仅仅是把该物理机上面的虚拟机迁移走,同时启动了停机维护,然后就直接关机。结果造成重启之后ceph异常

    原因:由于异常关闭,ceph进程的相关信息没有正常关闭,信息没有同步到文件系统,如pid文件等信息

    现象并尝试解决:

    1)检查osd的整体信息

    [root@haha1~]# ceph osd tree

    ID WEIGHT    TYPE NAME             UP/DOWN REWEIGHT PRIMARY-AFFINITY

    -1 101.91998 root default                                           

    -2  25.48000     host haha-50                                  

     1   3.64000         osd.1              up  1.00000          1.00000

     2   3.64000         osd.2              up  1.00000          1.00000

     3   3.64000         osd.3              up  1.00000          1.00000

     4   3.64000         osd.4              up  1.00000          1.00000

     5   3.64000         osd.5              up  1.00000          1.00000

     6   3.64000         osd.6              up  1.00000          1.00000

     0   3.64000         osd.0              up  1.00000          1.00000

    -3  25.48000     host XKDHhost1-51                                  

     7   3.64000         osd.7              up  1.00000          1.00000

     9   3.64000         osd.9              up  1.00000          1.00000

    10   3.64000         osd.10           down        0          1.00000

    11   3.64000         osd.11           down        0          1.00000

    12   3.64000         osd.12             up  1.00000          1.00000

    13   3.64000         osd.13             up  1.00000          1.00000 

    2)osd显示的是down,但是通过

    [root@haha1 ~]# /etc/init.d/ceph status osd.11

    === osd.11 ===

    osd.11: running {"version":"0.94.2"}

     

    3)重启osd.11尝试解决

    [root@haha1 ~]# /etc/init.d/ceph restart osd.11

    === osd.11 ===

    === osd.11 ===

    Stopping Ceph osd.11 on haha1...kill 7330...kill 7330...done #有kill,可以正常重启

    === osd.11 ===

    create-or-move updated item name 'osd.11' weight 3.64 at location {host=XKDHhost1-51,root=default} to crush map

    Starting Ceph osd.11 on haha1...

    Running as unit run-35058.service.

     

    4)osd.10启动异常

    [root@haha1 ~]# /etc/init.d/ceph start osd.10

    === osd.10 ===

    create-or-move updated item name 'osd.10' weight 3.64 at location {host=haha1,root=default} to crush map

    Starting Ceph osd.10 on haha1...

    Running as unit run-36525.service.

    [root@haha1 ~]# /etc/init.d/ceph status osd.10

    === osd.10 ===

    osd.10: not running.

    s=a>create-or-move updated item name 'osd.11' weight 3.64 at location {root=default} to crush map

    Starting Ceph osd.11 on haha1...

    Running as unit run-35058.service.

     

     

     

     

     

     

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  • 原文地址:https://www.cnblogs.com/hixiaowei/p/8327724.html
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