openstack故障处理

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openstack故障处理
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3 u, i; `6 d  \5 s! p. o, K. p. J#排错
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& N# I& I1 b& _, J6 k2 i/ W#清空日志
rm -f /var/log/nova/*
5 |/ o5 ~' B: orm -f /var/log/neutron/*
rm -f /var/log/glance/*
rm -f /var/log/keystone/*
rm -f /var/log/httpd/*

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7 E& J& t  g% J) x- q#重启所有openstack服务
7 w" e" [' \! J5 D5 mopenstack-service list
( [8 H; e/ e/ {( m4 _! O! wopenstack-service restart
systemctl restart httpd.service memcached.service

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#查询错误
grep 'ERROR' /var/log/nova/*
, n3 `6 B# P% P1 N6 j; Q0 J6 G; rgrep 'ERROR' /var/log/neutron/*
  v5 B3 n" G, y, `: p4 l: ]% jgrep 'ERROR' /var/log/glance/*
: _3 n+ \( ~0 F6 M. m6 Z# J* bgrep 'ERROR' /var/log/keystone/*
grep 'ERROR' /var/log/httpd/error_log
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9 T% `2 W9 [% S6 \7 X7 |5 {/ I#1、虚拟机网络正常，网页控制台报错 "错误：无法连接到Neutron"
#查询原因如下：
  l- I) }8 h+ C) P. ?: b#Dashboard默认配置开启了路由,而Neutron配置没开启，造成冲突
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#解决办法1
/ `0 x+ J7 n, ^- n: h3 q#Dashboard配置关闭路由，重启http
#修改/etc/openstack-dashboard/local_settings配置'enable_router': True改为'enable_router': False
sed -i "s#'enable_router': True#'enable_router': False#" /etc/openstack-dashboard/local_settings
3 E0 [7 f8 P6 f; c5 @4 ~7 r  ^& Esystemctl restart httpd.service
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#解决办法2
: m% N# {* r# U' o#Neutron配置开启route，重启Neutron服务
openstack-config --set /etc/neutron/neutron.conf DEFAULT service_plugins router
systemctl restart neutron-server.service

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& ?9 B  E2 g  I* D#计算节点报错
#Nova requires QEMU version 2.1.0 or greater
3 J& H3 H) a3 M/ U+ b$ n! Z  v" O. `- o#qemu版本低于2.1 ，计算节点无法启动
echo '使用自定义openstack源'
0 ^) s* `9 U1 C/ D# B8 V: ~! |wget -O /etc/yum.repos.d/Ali-pike.repo http://elven.vip/ks/openstack/Ali-pike.repo
8 n8 E. q% p% X# z" I) Kyum install qemu-kvm-ev qemu-kvm-common-ev qemu-img-ev -y
7 ^+ _4 p8 I! X* ]2 ]+ v# 重启计算服务
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