Mysql-Table 'mysql.host' doesn't exist 解决

Starting MySQL..The server quit without updating PID file ([失败]ib/mysql/uhz001691.pid).

Mysql-Table 'mysql.host' doesn't exist 解决
2011-07-06 17:58
mysql 之前yum 安装在rhel 上，安装一切顺利，可是运行不起来，奇怪。。。

于是乎改了my.cnf  还是不行

yum erase mysq删l掉重新安装还是不行 看了日志 发现是找不到数据库文件，估计是权限问题

tail -n 50 /var/log/mysqld.log


110706 17:33:57  mysqld started
110706 17:33:57 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
110706 17:33:57 [Warning] option 'max_join_size': unsigned value 18446744073709551615 adjusted to 4294967295
InnoDB: Log scan progressed past the checkpoint lsn 0 36808
110706 17:33:57  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 43655
110706 17:33:57  InnoDB: Starting an apply batch of log records to the database...
InnoDB: Progress in percents: 3 4 5 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
110706 17:33:57  InnoDB: Started; log sequence number 0 43655
110706 17:33:57 [ERROR] Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist
110706 17:33:57  mysqld ended



解决：

mysql_install_db --user=mysql --ldata=/var/lib/mysql

/usr/bin/mysqld_safe &  启动