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root@BoreNode2:~# ceph -v ceph version 10.2.0 发件人: lihang 12398 (RD)
Hi, my ceph cluster mds is damaged and the cluster is degraded after our machines library power down suddenly. then the cluster is “HEALTH_ERR” and cann’t be recovered to health by itself after my Reboot the storage node system or restart the ceph cluster yet. After that I also use the following command to remove the damaged mds, but the damaged mds be removed failed and the issue exist still. The another two mds
state is standby. Who can tell me how to fix this issue and find out what happened in my cluter? the remove damaged mds process in my storage node as follows.
1>
Execute ”stop ceph-mds-all” command in the damaged mds node
2>
ceph mds rmfailed 0 --yes-i-really-mean-it
3>
root@BoreNode2:~# ceph mds rm 0
mds gid 0 dne The detailed status of my cluster as following: root@BoreNode2:~# ceph -s cluster 98edd275-5df7-414f-a202-c3d4570f251c health HEALTH_ERR mds rank 0 is damaged mds cluster is degraded monmap e1: 3 mons at {BoreNode2=172.16.65.141:6789/0,BoreNode3=172.16.65.142:6789/0,BoreNode4=172.16.65.143:6789/0} election epoch 1010, quorum 0,1,2 BoreNode2,BoreNode3,BoreNode4 fsmap e168: 0/1/1 up, 3 up:standby, 1 damaged osdmap e338: 8 osds: 8 up, 8 in flags sortbitwise pgmap v17073: 1560 pgs, 5 pools, 218 kB data, 32 objects 423 MB used, 3018 GB / 3018 GB avail 1560 active+clean root@BoreNode2:~# ceph mds dump dumped fsmap epoch 168 fs_name TudouFS epoch 156 flags 0 created 2016-04-02 02:48:11.150539 modified 2016-04-03 03:04:57.347064 tableserver 0 root 0 session_timeout 60 session_autoclose 300 max_file_size 1099511627776 last_failure 0 last_failure_osd_epoch 83 compat compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=file layout v2} max_mds 1 in 0 up {} failed damaged 0 stopped data_pools 4 metadata_pool 3 inline_data disabled 本邮件及其附件含有杭州华三通信技术有限公司的保密信息，仅限于发送给上面地址中列出 的个人或群组。禁止任何其他人以任何形式使用（包括但不限于全部或部分地泄露、复制、 或散发）本邮件中的信息。如果您错收了本邮件，请您立即电话或邮件通知发件人并删除本 邮件！ This e-mail and its attachments contain confidential information from H3C, which is intended only for the person or entity whose address is listed above. Any use of the information contained herein in any way (including, but not limited to, total or partial disclosure, reproduction, or dissemination) by persons other than the intended recipient(s) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it! |
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