Server takes several hours to boot and after that shows the message "Device /dev/dm-XX not initialized in udev database even after waiting 10000000 microseconds"

Solution Verified - Updated -

Issue

  • When server started, shows the following message in the terminal:

    WARNING: Device /dev/dm-3 not initialized in udev database even after waiting 10000000 microseconds.
    WARNING: Device /dev/dm-11 not initialized in udev database even after waiting 10000000 microseconds.
    WARNING: Device /dev/dm-12 not initialized in udev database even after waiting 10000000 microseconds.
    WARNING: Device /dev/dm-13 not initialized in udev database even after waiting 10000000 microseconds.
    WARNING: Device /dev/dm-14 not initialized in udev database even after waiting 10000000 microseconds.
    ...
    
  • After server starts, no disk is discovered by the server. The server has ~100 SAN attached disks and discovered by multipathd.

Environment

  • Red Hat Enterprise Linux (RHEL) 8.4
  • systemd

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