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| root@admin ~]# ls /www/server/data admin.err  admin.novalocal.err  logBackup  mysql  mysql-bin.index  test
 
 日志是:
 2018-04-13 10:57:26 3494 [Note] Plugin 'FEDERATED' is disabled.
 /www/server/mysql/bin/mysqld: Table 'mysql.plugin' doesn't exist
 2018-04-13 10:57:26 3494 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
 2018-04-13 10:57:26 3494 [Note] InnoDB: Using atomics to ref count buffer pool pages
 2018-04-13 10:57:26 3494 [Note] InnoDB: The InnoDB memory heap is disabled
 2018-04-13 10:57:26 3494 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
 2018-04-13 10:57:26 3494 [Note] InnoDB: Memory barrier is not used
 2018-04-13 10:57:26 3494 [Note] InnoDB: Compressed tables use zlib 1.2.3
 2018-04-13 10:57:26 3494 [Note] InnoDB: Using Linux native AIO
 2018-04-13 10:57:26 3494 [Note] InnoDB: Using CPU crc32 instructions
 2018-04-13 10:57:26 3494 [Note] InnoDB: Initializing buffer pool, size = 256.0M
 2018-04-13 10:57:26 3494 [Note] InnoDB: Completed initialization of buffer pool
 2018-04-13 10:57:26 2b16a0b835c0  InnoDB: Operating system error number 13 in a file operation.
 InnoDB: The error means mysqld does not have the access rights to
 InnoDB: the directory.
 2018-04-13 10:57:26 3494 [ERROR] InnoDB: os_file_get_status() failed on '/www/server/data/ibdata1'. Can't determine file permissions
 2018-04-13 10:57:26 3494 [ERROR] InnoDB: The system tablespace must be writable!
 2018-04-13 10:57:26 3494 [ERROR] Plugin 'InnoDB' init function returned error.
 2018-04-13 10:57:26 3494 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
 /www/server/mysql/bin/mysqld: File '/www/server/data/mysql-slow.log' not found (Errcode: 13 - Permission denied)
 2018-04-13 10:57:26 3494 [ERROR] Could not open /www/server/data/mysql-slow.log for logging (error 13). Turning logging off for the whole duration of the MySQL server process. To turn it on again: fix the cause, shutdown the MySQL server and restart it.
 2018-04-13 10:57:26 3494 [ERROR] Unknown/unsupported storage engine: InnoDB
 2018-04-13 10:57:26 3494 [ERROR] Aborting
 
 2018-04-13 10:57:26 3494 [Note] Binlog end
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'partition'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_FT_DELETED'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_METRICS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_CMPMEM'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_CMP_RESET'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_CMP'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_LOCKS'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'INNODB_TRX'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'ARCHIVE'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'BLACKHOLE'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'MEMORY'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'MRG_MYISAM'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'MyISAM'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'CSV'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'sha256_password'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'mysql_old_password'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'mysql_native_password'
 2018-04-13 10:57:26 3494 [Note] Shutting down plugin 'binlog'
 2018-04-13 10:57:26 3494 [Note] /www/server/mysql/bin/mysqld: Shutdown complete
 
 
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