NGINX日志增大过快的排错过程

吾行者无疆

于 2018-08-29 11:50:48 发布

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本文链接：https://blog.youkuaiyun.com/u014057054/article/details/82180265

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服务器配置NGINX和keepalived后，日志文件messages异常增大，发现是由于keepalived与IPVS模块相关的问题。通过检查dmesg，确定问题与ip_vs符号相关。安装并启用ipvsadm，发现ipv6未开启。通过修改内核参数和重启，成功开启ipv6并解决了日志问题。

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前些天服务器调整,重新配置了NGINX和keepalived,服务正常运行,可是没过几天发现NGINX的日志文件急剧变大,

1,查看了日志文件/var/log/目录下面的所有日志文件大小都正常,只有messages和messages-201808{19,26}两个文件过大,

2.查看日志内容:tail -n 100 /var/log/messages,可见是keepalived出了问题和内核相关的问题

[root@liwai5 ipvsadm-1.26]# tail -n 100 /var/log/messages
Aug 28 16:31:01 liwai5 modprobe: FATAL: Error inserting ip_vs (/lib/modules/2.6.32-573.12.1.el6.x86_64/kernel/net/netfilter/ipvs/ip_vs.ko): Unknown symbol in module, or unknown parameter (see dmesg)
Aug 28 16:31:01 liwai5 kernel: ip_vs: Unknown symbol icmpv6_send
Aug 28 16:31:01 liwai5 Keepalived_healthcheckers[29998]: IPVS: Can't initialize ipvs: Protocol not available
Aug 28 16:31:01 liwai5 Keepalived[17362]: Healthcheck child process(29998) died: Respawning
Aug 28 16:31:01 liwai5 Keepalived[17362]: Starting Healthcheck child process, pid=30001
Aug 28 16:31:01 liwai5 kernel: ip_vs: Unknown symbol ip6_local_out
Aug 28 16:31:01 liwai5 kernel: ip_vs:

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