cloudera manager启动失败的问题

1. 

[root@hd0 ~]# service cloudera-scm-server start
Starting cloudera-scm-server:                              [FAILED]

2. 

[root@hd0 ~]# service cloudera-scm-server status
cloudera-scm-server dead but pid file exists

3. 

cat /var/log/cloudera-scm-server/cloudera-scm-server.log|grep ERROR

2016-12-15 18:02:28,114 ERROR main:com.cloudera.enterprise.dbutil.DbUtil: InnoDB engine not found. Show engines reported: [MRG_MYISAM, CSV, MyISAM, MEMORY]
2016-12-15 18:02:28,114 ERROR main:com.cloudera.server.cmf.bootstrap.EntityManagerFactoryBean: InnoDb engine isn't present or enabled. SCM requires InnoDb MySQL db engine.

4. 

mysql> show engines;
+------------+---------+-----------------------------------------------------------+--------------+------+------------+
| Engine     | Support | Comment                                                   | Transactions | XA   | Savepoints |
+------------+---------+-----------------------------------------------------------+--------------+------+------------+
| MRG_MYISAM | YES     | Collection of identical MyISAM tables                     | NO           | NO   | NO         |
| CSV        | YES     | CSV storage engine                                        | NO           | NO   | NO         |
| MyISAM     | DEFAULT | Default engine as of MySQL 3.23 with great performance    | NO           | NO   | NO         |
| MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables | NO           | NO   | NO         |
+------------+---------+-----------------------------------------------------------+--------------+------+------------+
4 rows in set (0.00 sec)

5. 

[root@hd0 ~]# service mysqld restart

6. 

mysql> show engines;
+------------+---------+------------------------------------------------------------+--------------+------+------------+
| Engine     | Support | Comment                                                    | Transactions | XA   | Savepoints |
+------------+---------+------------------------------------------------------------+--------------+------+------------+
| MRG_MYISAM | YES     | Collection of identical MyISAM tables                      | NO           | NO   | NO         |
| CSV        | YES     | CSV storage engine                                         | NO           | NO   | NO         |
| MyISAM     | DEFAULT | Default engine as of MySQL 3.23 with great performance     | NO           | NO   | NO         |
| InnoDB     | YES     | Supports transactions, row-level locking, and foreign keys | YES          | YES  | YES        |
| MEMORY     | YES     | Hash based, stored in memory, useful for temporary tables  | NO           | NO   | NO         |
+------------+---------+------------------------------------------------------------+--------------+------+------------+

7. 

[root@hd0 ~]# service cloudera-scm-server start
Starting cloudera-scm-server:                              [  OK  ]