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Active IQ Unified Manager installation fails after downgrading MySQL from version 8.0.22

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Applies to

  • Active IQ Unified Manager 9.7x
  • Active IQ Unified Manager 9.8x
  • Red Hat Enterprise Linux (RHEL) or CentOS
  • MySQL downgrade from 8.0.22

Issue

  • Active IQ Unified Manager (UM) installation fails after MySQL is downgraded from 8.0.22 to an older version.

Job for mysqld.service failed because the control process exited with error code. See "systemctl status mysqld.service" and "journalctl -xe" for details.

FAILURE: Unable to init MySQL.

error: %pre(netapp-um-9.7-2006081700.x86_64) scriptlet failed, exit status 1
Error in PREIN scriptlet in rpm package netapp-um-9.7-2006081700.x86_64
  Verifying  : netapp-um-9.7-2006081700.x86_64

Failed:
  netapp-um.x86_64 0:9.7-2006081700

  • Checking the MySQL service status shows that the service failed to start, with error "No such file or directory".

[root@centos]# systemctl status mysqld.service
● mysqld.service - MySQL Server
   Loaded: loaded (/usr/lib/systemd/system/mysqld.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2021-01-14 12:59:26 CST; 33min ago
     Docs: man:mysqld(8)
           http://dev.mysql.com/doc/refman/en/using-systemd.html
  Process: 29593 ExecStart=/usr/sbin/mysqld $MYSQLD_OPTS (code=exited, status=1/FAILURE)
  Process: 29565 ExecStartPre=/usr/bin/mysqld_pre_systemd (code=exited, status=0/SUCCESS)
 Main PID: 29593 (code=exited, status=1/FAILURE)
   Status: "Server startup in progress"
    Error: 2 (No such file or directory)

  • Review of the most recent entries in the MySQL error log (at /var/log/mysql/error.log) are from the previous 8.0.22 install. No new log entries will have been created while at the downgraded version.

 

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