Upgrading HDP 3.1.x HA and Mpack stack

This section describes the HDP, Ambari, IBM Spectrum® Scale MPack and HDFS Transparency upgrade process for HDP 3.1.x HA environment going to Mpack 2.7.0.7.

In the Upgrading HDP overview, see Figure 1 for the upgrade flow.

You must plan a cluster maintenance window and prepare for cluster downtime when you perform this upgrade.

Note:

Ensure that you check the Support matrix and also ensure that the target HDP, Ambari and Mpack versions are compatible.
To see the most recently updated default configuration modifications for IBM Spectrum Scale Mpacks, refer to the Summary of changes.
For HDP upgrade, only the express upgrade is supported.
Upgrading MPack does not affect the IBM Spectrum Scale file system.