openstack故障处理

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openstack故障处理
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; V4 l$ I9 U3 p) M* D#清空日志
rm -f /var/log/nova/*
2 v, y) c% w: J, U" V) prm -f /var/log/neutron/*
rm -f /var/log/glance/*
rm -f /var/log/keystone/*
rm -f /var/log/httpd/*

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#重启所有openstack服务
+ m) ~+ z: C8 E! X$ |% ropenstack-service list
openstack-service restart
7 Q* j/ F9 R, I1 o* `( ^  Y7 j4 @systemctl restart httpd.service memcached.service

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8 X. i+ ^3 W3 U( [3 Q#查询错误
3 R# v2 R, f8 v3 Vgrep 'ERROR' /var/log/nova/*
3 v) d& `! ^! y( Y- Wgrep 'ERROR' /var/log/neutron/*
# T9 }5 y! {- P, [1 |, F8 Ugrep 'ERROR' /var/log/glance/*
9 y) @2 S' U% n* _0 S' a& agrep 'ERROR' /var/log/keystone/*
, L6 \+ g; Y$ j  z6 B7 ugrep 'ERROR' /var/log/httpd/error_log
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( X4 f  w2 q! F! i; d#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：
3 g( b0 n+ ?6 Q6 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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3 U8 P" `( W! r& }, y0 _#解决办法1
' X+ i- A2 B  ?7 m9 k#Dashboard配置关闭路由，重启http
+ R: @1 N, u& K2 J, g' h) e#修改/etc/openstack-dashboard/local_settings配置'enable_router': True改为'enable_router': False
) O2 T  ]6 o+ m! f& _, W8 Z9 csed -i "s#'enable_router': True#'enable_router': False#" /etc/openstack-dashboard/local_settings
systemctl restart httpd.service
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#解决办法2
#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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3 j0 A+ V' f/ a( [% C#计算节点报错
  {, b, |+ J5 Z% U8 l- v2 A#Nova requires QEMU version 2.1.0 or greater
#qemu版本低于2.1 ，计算节点无法启动
) H; N; ~% V# ]3 Wecho '使用自定义openstack源'
wget -O /etc/yum.repos.d/Ali-pike.repo http://elven.vip/ks/openstack/Ali-pike.repo
# @# W2 B( f& B: a& `! {yum install qemu-kvm-ev qemu-kvm-common-ev qemu-img-ev -y
- H4 g9 ^% M- s; H# 重启计算服务