The following error messages are seen during the /usr/share/cb/cbupgrade process
The cb-enterprise postgresql93 dependencies are required for this upgrade.
Please ensure postgresql93, postgresql93-libs, and postgresql93-server are installed, and try again.
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UPGRADE ABORTED
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'rpm -q postgresql93 postgresql93-libs postgresql93-server' failed(2)
For Server 7.x upgrades, yum -list | grep postgresl shows these packages installed:
postgresql10.x86_64 10.10-1PGDG.rhel6 @CarbonBlack
postgresql10-contrib.x86_64 10.10-1PGDG.rhel6 @CarbonBlack
postgresql10-libs.x86_64 10.10-1PGDG.rhel6 @CarbonBlack
postgresql10-server.x86_64 10.10-1PGDG.rhel6 @CarbonBlack
postgresql93-libs.x86_64 9.3.11-1PGDG.rhel6 @CarbonBlack