openstack故障处理

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openstack故障处理
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- P6 N4 w1 ?4 R( {8 y#排错

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+ ?2 e0 X. W: `! w8 S7 N5 ^$ F#清空日志
rm -f /var/log/nova/*
rm -f /var/log/neutron/*
4 L7 Q8 l# H- @+ u# g5 Lrm -f /var/log/glance/*
& p2 g, Y' p9 w; f$ E' c( K) l3 W, R: ^3 Hrm -f /var/log/keystone/*
0 F% D4 [" \6 N, G4 e( g- c1 c( Mrm -f /var/log/httpd/*
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5 H0 t- w; b) ]# j% C1 I#重启所有openstack服务
9 }2 N( N! k2 l3 I4 X1 o: Bopenstack-service list
7 b7 S" T! }9 M) H* s  p" f+ y9 Popenstack-service restart
8 u$ P. ?, U/ Z% p1 [  G% csystemctl restart httpd.service memcached.service
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#查询错误
grep 'ERROR' /var/log/nova/*
grep 'ERROR' /var/log/neutron/*
grep 'ERROR' /var/log/glance/*
grep 'ERROR' /var/log/keystone/*
grep 'ERROR' /var/log/httpd/error_log

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, C8 n- b; _: n  k#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：
. V# c9 O  ]; Z% P. h5 H#Dashboard默认配置开启了路由,而Neutron配置没开启，造成冲突

3 ~1 [5 ?2 s0 U' h# K+ D#解决办法1
#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
systemctl restart httpd.service

#解决办法2
' e9 h& N# e- q! I9 f#Neutron配置开启route，重启Neutron服务
" c+ P- b* G; b9 y6 S/ x' z0 vopenstack-config --set /etc/neutron/neutron.conf DEFAULT service_plugins router
7 i, n2 p5 X$ y* q. N! Bsystemctl restart neutron-server.service
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2 ^, j6 ~9 q6 T6 Y* ?* w#计算节点报错
; s" B  |* \1 K4 y) k: 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
' @4 Z0 r1 V5 k  T3 m- c0 Lecho '使用自定义openstack源'
wget -O /etc/yum.repos.d/Ali-pike.repo http://elven.vip/ks/openstack/Ali-pike.repo
6 z& N4 D1 y5 d0 b; ?2 A2 I. ~, ?! Myum install qemu-kvm-ev qemu-kvm-common-ev qemu-img-ev -y
5 f- H2 K1 X+ d3 `# 重启计算服务