频繁添加删除osd导致osdmap无法实时更新怎么办
今天就跟大家聊聊有关频繁添加删除osd导致osd无法up怎么办,可能很多人都不太了解,为了让大家更加了解,小编给大家总结了以下内容,希望大家根据这篇文章可以有所收获。
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###环境介绍
预上线系统,手工已经设置好crushmap,并且已经指定了osd.139所在的location
集群开启了noout(ceph osd set noout)
ceph版本: 0.94.5
osd设置了osd crush update on start = false,避免osd启动以后改变crushmap
###故障现象 在模拟单节点故障发生的过程中,多次手工添加和删除同一个osd(只删除数据和keyring,不动crushmap内容),最后发现新加的osd进程虽然已经启动,并且启动日志也无报错,但是始终无法进入up状态。
2016-04-01 11:19:16.868837 7fee3654b900 0 ceph version 0.94.5 (9764da52395923e0b32908d83a9f7304401fee43), process ceph-osd, pid 104255 ..... 2016-04-01 11:19:19.295992 7fee3654b900 0 osd.139 12789 crush map has features 2200130813952, adjusting msgr requires for clients 2016-04-01 11:19:19.296008 7fee3654b900 0 osd.139 12789 crush map has features 2200130813952 was 8705, adjusting msgr requires for mons 2016-04-01 11:19:19.296016 7fee3654b900 0 osd.139 12789 crush map has features 2200130813952, adjusting msgr requires for osds 2016-04-01 11:19:19.296052 7fee3654b900 0 osd.139 12789 load_pgs 2016-04-01 11:19:19.296094 7fee3654b900 0 osd.139 12789 load_pgs opened 0 pgs 2016-04-01 11:19:19.296878 7fee3654b900 -1 osd.139 12789 log_to_monitors {default=true} 2016-04-01 11:19:19.305091 7fee246f1700 0 osd.139 12789 ignoring osdmap until we have initialized 2016-04-01 11:19:19.305239 7fee246f1700 0 osd.139 12789 ignoring osdmap until we have initialized 2016-04-01 11:19:19.305425 7fee3654b900 0 osd.139 12789 done with init, starting boot process
开启debug osd=20以后发现始终进行如下操作
2016-04-01 11:46:23.300790 7f9219d15700 20 osd.139 12813 update_osd_stat osd_stat(538 MB used, 3723 GB avail, 3724 GB total, peers []/[] op hist []) 2016-04-01 11:46:23.300821 7f9219d15700 5 osd.139 12813 heartbeat: osd_stat(538 MB used, 3723 GB avail, 3724 GB total, peers []/[] op hist []) 2016-04-01 11:46:25.200613 7f9231e86700 5 osd.139 12813 tick 2016-04-01 11:46:25.200644 7f9231e86700 10 osd.139 12813 do_waiters -- start 2016-04-01 11:46:25.200648 7f9231e86700 10 osd.139 12813 do_waiters -- finish 2016-04-01 11:46:25.600974 7f9219d15700 20 osd.139 12813 update_osd_stat osd_stat(538 MB used, 3723 GB avail, 3724 GB total, peers []/[] op hist []) 2016-04-01 11:46:25.601002 7f9219d15700 5 osd.139 12813 heartbeat: osd_stat(538 MB used, 3723 GB avail, 3724 GB total, peers []/[] op hist []) 2016-04-01 11:46:26.200759 7f9231e86700 5 osd.139 12813 tick 2016-04-01 11:46:26.200784 7f9231e86700 10 osd.139 12813 do_waiters -- start 2016-04-01 11:46:26.200788 7f9231e86700 10 osd.139 12813 do_waiters -- finish 2016-04-01 11:46:27.200867 7f9231e86700 5 osd.139 12813 tick 2016-04-01 11:46:27.200892 7f9231e86700 10 osd.139 12813 do_waiters -- start 2016-04-01 11:46:27.200895 7f9231e86700 10 osd.139 12813 do_waiters -- finish 2016-04-01 11:46:28.201002 7f9231e86700 5 osd.139 12813 tick 2016-04-01 11:46:28.201022 7f9231e86700 10 osd.139 12813 do_waiters -- start 2016-04-01 11:46:28.201030 7f9231e86700 10 osd.139 12813 do_waiters -- finish 2016-04-01 11:46:29.101147 7f9219d15700 20 osd.139 12813 update_osd_stat osd_stat(538 MB used, 3723 GB avail, 3724 GB total, peers []/[] op hist []) 2016-04-01 11:46:29.101180 7f9219d15700 5 osd.139 12813 heartbeat: osd_stat(538 MB used, 3723 GB avail, 3724 GB total, peers []/[] op hist []) 2016-04-01 11:46:29.201115 7f9231e86700 5 osd.139 12813 tick 2016-04-01 11:46:29.201128 7f9231e86700 10 osd.139 12813 do_waiters -- start 2016-04-01 11:46:29.201132 7f9231e86700 10 osd.139 12813 do_waiters -- finish 2016-04-01 11:46:30.201237 7f9231e86700 5 osd.139 12813 tick 2016-04-01 11:46:30.201267 7f9231e86700 10 osd.139 12813 do_waiters -- start 2016-04-01 11:46:30.201271 7f9231e86700 10 osd.139 12813 do_waiters -- finish
###解决方法 1.在crush中删除对应的osd信息
ceph osd crush remove osd.139 #注意可能会导致数据迁移
2.启动osd服务,将osd添加回crushmap内。
ceph osd crush add 139 1.0 host=xxx
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