MySQL サービスを開始できないため、 Unified Manager のアップグレードが失敗します

環境

• Unified Manager 7.2 以降
• RHEL / CentOS 6 または 7

問題

Unified Manager からのアップグレードが失敗し、 MySQL のエラーログに次のエラーが報告されます。
 

/var/log/mysql/error.log 

2019-05-03T10:16:37.578843Z 0 [ERROR] InnoDB: Operating system error number 116 in a file operation.
2019-05-03T10:16:37.578870Z 0 [ERROR] InnoDB: Error number 116 means 'Stale file handle'
2019-05-03T10:16:37.578876Z 0 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/...ror-codes.html
2019-05-03T10:16:37.578881Z 0 [ERROR] InnoDB: File .//ocum-backup: 'stat' returned OS error 216.
2019-05-03T10:16:37.578885Z 0 [ERROR] InnoDB: os_file_readdir_next_file() returned -1 in directory ./, crash recovery may have failed for some .ibd files!
2019-05-03T10:16:37.578920Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error

報告されるファイルは環境によって異なる場合があります。

install.log で、次のエラーが報告されます。
 

May 03 10:57:00 server01.netapp.com systemd[1]: Failed to start MySQL Server.
May 03 10:57:00 server01.netapp.com systemd[1]: Unit mysqld.service entered failed state.
May 03 10:57:00 server01.netapp.com systemd[1]: mysqld.service failed.
May 03 10:57:00 server01.netapp.com systemd[1]: mysqld.service holdoff time over, scheduling restart.
May 03 10:57:00 server01.netapp.com systemd[1]: start request repeated too quickly for mysqld.service
May 03 10:57:00 server01.netapp.com systemd[1]: Failed to start MySQL Server.
May 03 10:57:00 server01.netapp.com systemd[1]: Unit mysqld.service entered failed state.
May 03 10:57:00 server01.netapp.com systemd[1]: mysqld.service failed.
Changing mysql configuration to small
May 03 11:07:17:  INFO: Starting MySQL database...
Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.
May 03 11:07:28:  Granting privileges to jboss user for Unified Manager related databases...
mysql_upgrade: Got error: 2002: Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) while connecting to the MySQL server
Upgrade process encountered error and will not continue.
May 03 11:07:28:  Failed while granting privileges to jboss user for Unified Manager related databases
May 03 11:07:28:  preun_upgrade_ocum called