概要描述

本文描述一个故障场景，tdc断电重启后redis启动报错，状态为 Init:CrashLoopBackOff 查看相应的pod日志报错Could not connect to Redis at redis-redis-ha:26379: Temporary failure in name resolution
Initializing config..
cp: cannot create regular file ‘/data/conf/redis.conf’: Permission denied
的解决方案

详细描述

问题描述

redis-redis-ha-server 启动失败，状态为Init:CrashLoopBackOff

查看相应的日志

kubectl -n kube-system logs redis-redis-ha-server-0  config-init

日志报错内容如下：

Could not connect to Redis at redis-redis-ha:26379: Temporary failure in name resolution
Initializing config..
cp: cannot create regular file '/data/conf/redis.conf': Permission denied

排查思路

查看sts的yaml文件中的权限配置是否正确

 kubectl get sts -n kube-system redis-redis-ha-server -oyaml

调度节点的/opt/kubernetes/data/redis-ha 路径下的文件权限

调整这个路径下的权限为777
然后delete redis pod