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SANnav installation fails with rngd service is not started

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Applies to

  • SANnav Management Portal 3.0.0
  • Red Hat Enterprise Linux (RHEL) 9.6
  • Hardware RNG Entropy Gatherer Daemon (rngd)
  • Brocade Fibre Channel SAN environments

Issue

  • Installation of SANnav 3.0.0 on a new RHEL 9.6 server fails at the pre-requisite phase
  • SANnav installer reports:

ERROR: The server does not have rng-tools installed.

SANnav relies on the Operating System to generate secure random numbers. Server needs rngd service running to avoid performance degradation. Install rng-tools and start the service before proceeding with the installation. Refer to the installation guide for steps to install rng-tools.

  • Attempts to start the service fail with error:

rngd[6386]: Disabling 9: Qrypt quantum entropy beacon (qrypt)
rngd[6386]: Disabling 10: Named pipe entropy input (namedpipe)
rngd[6386]: Disabling 6: JITTER Entropy generator (jitter)
rngd[6386]: Initializing available sources
rngd[6386]: [hwrng ]: Initialization Failed
rngd[6386]: [rdrand]: Initialization Failed
rngd[6386]: Can't open any entropy source
rngd[6386]: Maybe RNG device modules are not loaded
systemd[1]: rngd.service: Main process exited, code=exited, status=1/FAILURE
systemd[1]: rngd.service: Failed with result 'exit-code'.

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