I am wondering this has something to do with daylight saving time.
Here is part of the init logs from 3/5 (which did run) and 3/12 (which didn't run):
0305:
Mar 05 00:00:04 +0000 (debug: incremental) actual frequency in days = 7
Mar 05 00:00:04 +0000 (debug: incremental) gather-options not found in direcotry: /usr/openv/var/global/increme
ntal/NEVC
Mar 05 00:00:05 +0000 (debug: incremental) gather-options not found in direcotry: /usr/openv/var/global/increme
ntal/traditional
Mar 05 00:00:05 +0000 (debug: incremental) get_latest_gather_start_time returning 1582779603
Mar 05 00:00:05 +0000 (debug: incremental) actual frequency buffer in min = 15
Mar 05 00:00:05 +0000 (debug: incremental) current start time = 1583384403
Mar 05 00:00:05 +0000 (debug: incremental) latest gather time = 1582779603
Mar 05 00:00:05 +0000 (debug: incremental) should_run_incremental_gather returning 1
3/12:
Mar 12 00:00:03 +0100 (debug: incremental) actual frequency in days = 7
Mar 12 00:00:04 +0100 (debug: incremental) gather-options not found in direcotry: /usr/openv/var/global/increme
ntal/NEVC
Mar 12 00:00:04 +0100 (debug: incremental) gather-options not found in direcotry: /usr/openv/var/global/increme
ntal/traditional
Mar 12 00:00:04 +0100 (debug: incremental) get_latest_gather_start_time returning 1583384403
Mar 12 00:00:04 +0100 (debug: incremental) actual frequency buffer in min = 15
Mar 12 00:00:04 +0100 (debug: incremental) current start time = 1583985603
Mar 12 00:00:04 +0100 (debug: incremental) latest gather time = 1583384403
Mar 12 00:00:04 +0100 (debug: incremental) should_run_incremental_gather returning 0
Mar 12 00:00:04 +0100 (error ) NetBackup Deployment Utility runs only as per the default schedule or as conf
igured for the incremental gather operation.
Mar 12 00:00:04 +0100 (debug: exit) running cleanup routine CODE(0x1220910), cleanup temporary files
Mar 12 00:00:04 +0100 (debug: exit) running cleanup routine CODE(0x2c60f8), undef
Thanks again.