openstack故障处理

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openstack故障处理
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#排错

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  D/ c5 x5 D, W6 |5 O#清空日志
# v4 ^7 t6 D% X5 U  B9 Z" C0 k* Trm -f /var/log/nova/*
/ \8 d" y( V1 D3 p4 f. Y2 ^* prm -f /var/log/neutron/*
: P8 E- y7 f3 v! N  D9 {rm -f /var/log/glance/*
rm -f /var/log/keystone/*
rm -f /var/log/httpd/*
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4 z- }5 P5 l: }9 M2 F# F7 Z#重启所有openstack服务
$ S. C8 S) m3 i9 G# x' _% `openstack-service list
openstack-service restart
systemctl restart httpd.service memcached.service

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9 b9 j6 x3 H$ @: h. W6 B. r6 s#查询错误
grep 'ERROR' /var/log/nova/*
# @7 ?5 f- g) h( j1 M& A) fgrep 'ERROR' /var/log/neutron/*
grep 'ERROR' /var/log/glance/*
grep 'ERROR' /var/log/keystone/*
# m: T6 u7 k3 b5 s/ U5 @6 ggrep 'ERROR' /var/log/httpd/error_log
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) f% J* J' t. D. h#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：
#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
# }$ I" R+ M* ?2 d( J/ u( G0 {#Dashboard配置关闭路由，重启http
" j) `: l6 K: Y) D9 Y: i#修改/etc/openstack-dashboard/local_settings配置'enable_router': True改为'enable_router': False
6 P8 [: Q4 c. a  R# v  Tsed -i "s#'enable_router': True#'enable_router': False#" /etc/openstack-dashboard/local_settings
systemctl restart httpd.service
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6 u/ r' m% S0 ]#解决办法2
2 k5 d) x) r% A% D* u; N6 ?& o9 T#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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% f4 q$ {' b3 {2 O7 p# d#计算节点报错
9 S! W7 k; x  w+ j$ m. a$ D#Nova requires QEMU version 2.1.0 or greater
#qemu版本低于2.1 ，计算节点无法启动
echo '使用自定义openstack源'
wget -O /etc/yum.repos.d/Ali-pike.repo http://elven.vip/ks/openstack/Ali-pike.repo
yum install qemu-kvm-ev qemu-kvm-common-ev qemu-img-ev -y
% i6 }+ B: i: F( D% Z# 重启计算服务