HYDIN0930I (OP0930) Deferred Copy Throttling on tape attach cache partition started. Reasons (Heavy host I/O: reason bit0, High cluster resource usage: reason bit1, Immediate Copy Throttling: reason bit2.

Explanation

Deferred Copy Throttling on tape attach cache partition started because of the following reasons:
  • Heavy host I/O: Current or average Host I/O create is greater than Deferred Copy Throttling current/average Threshold.
  • High cluster resource usage: CPU or Disk cache is busy.
  • Immediate copy throttling: Immediate copy related with the cluster remains in Copy queue for long time.

Operator response

Check if the deferred copy throttling started because of expected reasons.