Ubernetes pods Can't connect to local MySQL server through socket

Cluster information:

Kubernetes version: 1.28
Cloud being used: (put bare-metal if not on a public cloud)
Installation method: EKS
Host OS: AL2

Hi

I have a problem with MariaDB (mysqld.sock)
I have the next architecture:

  1. Deployment for APP1
  2. Deployment for MariaDB1
  3. PV11 and PVC11 (/var/lib/mysql/), PV12 and PVC12 (/run/mysql/)
  4. NFS1 server. Database and mysqld.sock save in NFS
  5. Namespace1
    From deployment MariaDB1 I get files DB and mysqld.sock saved in NFS server and than mounted to deployment for app1. The APP1 works well.
    And I have exactly the same application 2 which does not work via the socket.
    When I connect to MySQL via mysqld.sock from pod APP1 I have a connection.
    But when I connect to MySQL via mysqld.sock from pod APP2 I have an error.

mysql -S /opt/mariadb-mysqld/mysqld.sock -u root -p ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/opt/mariadb-mysqld/mysqld.sock’ (111)