Redis or MySQL 3scale pod fails with "Permission denied" error

Issue

• We are facing the below error in 3scale redis pod.

  # Can't open the append-only file: Permission denied 
  

• We are facing the below error in 3scale mysql pod.

  2020-09-24T02:04:07.031757091Z 2020-09-24T02:04:07.031641Z 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
  2020-09-24T02:04:07.03177332Z 2020-09-24T02:04:07.031664Z 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
  2020-09-24T02:04:07.031779923Z 2020-09-24T02:04:07.031678Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Generic error
  2020-09-24T02:04:07.632293114Z 2020-09-24T02:04:07.632180Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
  2020-09-24T02:04:07.632323479Z 2020-09-24T02:04:07.632216Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
  2020-09-24T02:04:07.632330273Z 2020-09-24T02:04:07.632235Z 0 [ERROR] Failed to initialize builtin plugins.
  2020-09-24T02:04:07.632336231Z 2020-09-24T02:04:07.632244Z 0 [ERROR] Aborting