错误集汇总（人非圣贤，孰能无过，关键还是要会排错！）》》持续更新

错误集

挂载光盘镜像时，mount: 在 /dev/sr0 上找不到媒体

yum安装时/var/run/yum.pid 已被锁定，PID 为 2828 的另一个程序正在运行。

rsync+inotify实时同步时rsync: failed to set times on “/.“ (in wwwroot): Operation not permitted (1)

配置rsync下行同步时：rsync: failed to connect to 192.168.2.4: No route to host (113)

MHA高可用集群部署及故障切换[error][/usr/local/share/perl5/MHA/MasterMonitor.pm, ln427]

MySQL数据库的MHA高可用集群部署及故障切换时Slave_IO_Running: No Slave_SQL_Running: No

错误集：smbclient访问Windows共享文件夹报错误：protocol negotiation failed: NT_STATUS_CONNECTION_RESET

错误集：Linux端挂载Windows共享的目录时报错mount error(112): Host is down