In the MCP 2019.2.6 maintenance update, Mirantis introduces the following enhancements for DriveTrain:

To obtain the enhancements, follow the steps described in Apply maintenance updates.

Remote logging for auditd

Added the capability to configure a remote host for auditd.

Redis server memory limits

Added the capability to configure the memory rules and limits for the Redis server.

Salt Master threads and batching

Added the capability to configure the number of worker threads for the salt-master process on the Salt Master node based on the available CPU and set up batching for the pipeline jobs to run Salt states, targeted for a large number of nodes, on a predefined amount of nodes.

Multi-server NTP integration

Introduced support for multiple Network Time Protocol (NTP) servers on new or existing MCP clusters to provide a more flexible and wide NTP support for clustered applications such as Ceph, Galera, and others.

Local mirrors update procedure

Added the procedure to update local mirrors in an MCP offline deployment manually or by recreating the existing local mirror VM with the latest version of the MCP offline image to obtain maintenance updates.

Automatic Dogtag backup

Added the capability to automatically back up the Dogtag server files and database using the Backupninja backup Jenkins pipeline job. Also, enhanced and simplified the manual backup procedure.

The manual restore procedure is being finalized and will be available shortly.