New features that affect upgrades
This release includes new features and new requirements that affect the upgrade process. The following list provides an overview of the changes that are addressed during this upgrade.
- RHEL/CentOS 7.4 is added; RHEL/CentOS 7.1 is withdrawn. The upgrade process includes a step for updating the operating system.
- On RHEL/CentOS 7.4, there may be a file locking defect in NFS 4.1. To avoid the issue, delegate hosts are configured to use NFS 4.0.
- The serviced-zenossdbpack maintenance script is moved from /etc/cron.weekly to /opt/serviced/bin and a new cron job, /etc/cron.d/cron_zenossdbpack, is installed to invoke the maintenance script. By default, the script runs every Sunday at midnight.
- This release replaces Docker Community Edition (CE) 17.03.1 with Docker CE 17.09.0.
For more information about this release, refer to the Control Center Release Notes.