MySQL 无法启动，我之前在同一台 Mac 上安装了 zend server，MySQL 可以正常工作。之后我重新安装了rm -r /usr/local/zend。是否还有其他目录需要清除？或者您有什么想法？
在/usr/local/zend/mysql/数据
bash-3.2# echo $PATH
/usr/local/zend/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin
bash-3.2# zendctl.sh start-mysql
Starting MySQL
. ERROR! Manager of pid-file quit without updating file.
bash-3.2#
这是启动失败的日志文件
110817 13:20:08 mysqld_safe Starting mysqld daemon with databases from /usr/local/zend/mysql/data
110817 13:20:09 [Warning] '--skip-locking' is deprecated and will be removed in a future release. Please use '--skip-external-locking' instead.
110817 13:20:09 [Warning] '--skip-locking' is deprecated and will be removed in a future release. Please use '--skip-external-locking' instead.
110817 13:20:09 [Warning] Setting lower_case_table_names=2 because file system for /usr/local/zend/mysql/data/ is case insensitive
110817 13:20:09 [Note] Plugin 'FEDERATED' is disabled.
/usr/local/zend/mysql/bin/mysqld: Table 'mysql.plugin' doesn't exist
110817 13:20:09 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
110817 13:20:09 InnoDB: Initializing buffer pool, size = 8.0M
110817 13:20:09 InnoDB: Completed initialization of buffer pool
InnoDB: Log scan progressed past the checkpoint lsn 0 37356
110817 13:20:09 InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
InnoDB: Doing recovery: scanned up to log sequence number 0 44233
110817 13:20:09 InnoDB: Starting an apply batch of log records to the database...
InnoDB: Progress in percents: 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
InnoDB: Apply batch completed
110817 13:20:09 InnoDB: Started; log sequence number 0 44233
110817 13:20:09 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist
110817 13:20:09 mysqld_safe mysqld from pid file /usr/local/zend/mysql/data/puidhcp-088-227.is.nottingham.ac.uk.pid ended
答案1
[错误] 致命错误：无法打开和锁定权限表：表“mysql.host”不存在
运行mysql_install_db命令来初始 MySQL 数据目录并创建系统表。