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During the NMC installation, the nmc_config script did not complete successfully. GST was observed to crash after the NMC installation on RHEL 9.6 and later versions.
Upon reviewing the GST installation logs located at /opt/lgtonmc/logs , the following error was identified: systemctl: /usr/lib/nsr/lib64/libcrypto.so.3: version 'OPENSSL_3.4.0' not found (required by /usr/lib64/systemd/libsystemd-shared-252.so) The error indicated a dependency mismatch between the OpenSSL libraries bundled with NetWorker and the system libraries, resulting in a library conflict that caused the installation to fail.
To resolve the NMC installation failure and GST crashes on RHEL 9.6 and later versions, the following workaround is available: Stop all NetWorker services: nsr_shutdown systemctl stop gst Create a copy of the NMC database: cp -r /nsr/nmc/nmcdb /nsr/nmc/nmcdb_$(date -I) Rename the libssl.so.3 and libcrypto.so.3 files included with NetWorker. mv /usr/lib/nsr/lib64/libssl.so.3 /usr/lib/nsr/lib64/libssl.so.3.orig mv /usr/lib/nsr/lib64/libcrypto.so.3 /usr/lib/nsr/lib64/libcrypto.so.3.orig Create symbolic links to map NetWorker to the operating system's OpenSSL libraries: ln -s /usr/lib64/libcrypto.so.3 /usr/lib/nsr/lib64/libcrypto.so.3 ln -s /usr/lib64/libssl.so.3 /usr/lib/nsr/lib64/libssl.so.3 After updating the library references, the NMC configuration script was executed again: /opt/lgtonmc/bin/nmc_config Start NetWorker services: systemctl start networker systemctl start gst Following these changes, the NMC configuration completed successfully, and GST no longer crashed on RHEL 9.6 and later versions, confirming that the issue was caused by an incompatibility between the OpenSSL libraries bundled with NetWorker and those required by the operating system.
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