PowerPath for Linux: error while loading shared libraries: libjson-c.so.2: cannot open shared object file: No such file or directory

Summary: While enabling the Remote Management service or PowerPath service on PowerPath/Linux, it throws: "error while loading shared libraries: libjson-c.so.2: cannot open shared object file: No such file or directory". ...

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Symptoms

The PowerPath/Linux host cannot get connected to PowerPath Management Appliance (PPMA) as the PowerPath Management service cannot get started as per the error:

Mar 30 12:26:35 ner02or-00471 emcp_mond.sh: /sbin/emcp_mond: error while loading shared libraries: libjson-c.so.2: cannot open shared object file: No such file or directory
Mar 30 12:26:35 ner02or-00471 root: emcp_mond.sh: Error starting PowerPath Management Daemon
Mar 30 12:26:35 ner02or-00471 emcp_mond.sh: Error starting PowerPath Management Daemon

 

Cause

This is due to libjson-c.so.2 libraries not being installed on the Linux host.

 

Note: In Red Hat Enterprise Linux 7.5, the json-c is not installed by default in the minimal install and it is advised to install the package separately.

 

Resolution

It is advised to install json-c libraries separately and start PowerPath Management service post which PowerPath/Linux host can get added to PPMA.

 

Additional Information

This also gets documented in the PowerPath documentation as well.

 

Affected Products

PowerPath for Linux
Article Properties
Article Number: 000198393
Article Type: Solution
Last Modified: 20 Dec 2023
Version:  8
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