Editing or scaling out an IBM Storage Scale cloud cluster

Scale out an IBM Storage Scale cloud cluster by using the cloudkit edit cluster command.

The cloudkit edit cluster command helps to increase the filesystem capacity of an existing IBM Storage Scale cloud cluster by performing:

  • Expansion of storage cluster instances
  • Expansion of compute cluster instances
Table 1. Instance maximum limit
Deployment profiles Compute node limit Storage node limit

Throughput-Performance-Persistent-Storage

64 64

Throughput-Performance-Scratch-Storage

64 64

Throughput-Advance-Persistent-Storage

64 10

Balanced

64 64
To expand a cluster, enter the following command:
./cloudkit edit cluster
Note: NSD disks are not balanced after an edit operation. If you want to rebalance the existing file system data across disks, run the mmrestripefs command.