/opt/redmine-2.6.0-1/mysql/bin/mysqld.bin: Error writing file '/opt/redmine-2.6.0-1/mysql/data/mysqld.pid' (Errcode: 28) Can't start server: can't create PID file: No space left on device
用df -h 查看
文件系统 容量 已用 可用 已用%% 挂载点
/dev/mapper/VolGroup-lv_root
36G 34G 0 100% /
tmpfs 2.0G 0 2.0G 0% /dev/shm
/dev/sda1 485M 37M 423M 9% /boot
磁盘空间不足
查询大于100M文件,删除
find / -size +100000000c
重启mysql即可