Summary
Archive job fails due to issue in block backup that prevents a drive from being made instantly available to generate the file history.
Symptoms
Archive job fails with error:X.X.X.X 6/25/2017 2:20:06 pm SNBDPH_935X Exception while generating file history of JOB=<jobname>, JOBID=1.498.239.000: cm_recv_rec failed, localPort (62956), peer (A.A.A.A:51671), rc (12004), description (cm_recv_rec reported 0-len read: peer module closed connection.), peerstring (ssofhg 2.2/4.4 amd64 N/A N/A )
X.X.X.X 6/25/2017 2:20:06 pm SNBDPH_407E DPH reports error for preBackup operation:
Resolution
Analyzing this issue showed that for this archive job one drive to be archived could not be IA Mapped successfully.After resetting the change journal for the drive in question and then running a new Block backup job, the new archive instance ran successfully.