AFM features on AFM DR filesets
All AFM features are applicable for AFM DR filesets.
AFM features include:
- flushPending
- parallel data transfer
- psnap
- recovery after primary gateway failure
- unavailable secondary
- HSM support
- disabling AFM
- working with encrypted files on both sides
- using AFM with NFS or Native GPFS™ protocols
mmbackup backs up all files from primary, as all files are in a cached state on primary fileset. Similar to AFM filesets, IBM Spectrum Protect™ (HSM) can be connected to primary or secondary or both sides.
When HSM is connected to primary side, the below flag must be set in dsm.sys file:
AFMSKIPUNCACHEDFILES yes
AFM features such as revalidation, eviction, prefetch, partial file caching, expiration, resync, failover and showing home snapshots are not applicable for AFM DR filesets.
Compression is not supported on AFM primary and secondary filesets.