Object heatmap data tiering
Object heatmap data tiering policies can be applied to data that is frequently accessed.
For more information about file access temperature, see File heat: Tracking file access temperature.
With the object heatmap data tiering policies, frequently accessed objects are stored in
higher-performing storage pools such as the SSD-based pool. The policy also stores objects that are
not accessed frequently in slower disk-based storage pools.
Note: Data that is not required for
regular access is moved from slower disk-based storage pools to tapes.
The object heatmap policy
The object heatmap policy can be applied to object data files in the file system.
The policy manages the placement of objects in the gold, silver, and system pools. The policy also specifies the maximum threshold so that the capacity in the storage tiers is not over-utilized.
Enabling heatmap tracking
Enable heatmap tracking on the IBM
Storage Scale file
system by running the following
command:
mmchconfig fileheatperiodminutes=1440,fileheatlosspercent=10
mmchconfig: Command successfully completed
mmchconfig: Propagating the cluster configuration data to all
affected nodes. This is an asynchronous process.