NDMP backup fails with job manager died or Child Process died (4044251)

Title: NDMP backup fails with "job manager died" or "Child Process died"
Date: 06/2007
NV Version: 712 and above
OS Version: all
Application version:
Plugin version:

Description:
This article is about how more NDMP jobs with multiple Sub jobs all run at the same time can cause Job manager and Child Processes to die. How to test to see if this a heap size problem and if it is how to edit the registry to resolve the problem on a permanent basis.

Symptoms:

There are NDMP jobs with multiple sub jobs scheduled at the same time and we see them all fail with "job manager died" or "Child Process died". Below are some examples of how this is seen in the binary log


Extract from binary logs
Example 1


Information 2007/06/03 19:00:00 1122 Schedule ADMT Starting phase 1 on ADMT
Job Message 2007/06/03 19:00:00 1122 Jobs ADMT Starting job 1122 'Netapp 2 ndmp daily' (Phase 1 , Instance 8) for UID 0
Information 2007/06/03 19:00:03 1122 Data Plugin ADMT Backup '/vol/cognos'
Information 2007/06/03 19:00:03 1122 Data Plugin ADMT Backup '/vol/boeing'
Information 2007/06/03 19:00:03 1122 Data Plugin ADMT Backup '/vol/Vmware'
Information 2007/06/03 19:00:03 1122 Data Plugin ADMT Backup '/vol/Temp'
Information 2007/06/03 19:00:03 1122 Data Plugin ADMT Backup '/vol/TSProfiles'
Information 2007/06/03 19:00:03 0 GUI ADMT Job 1394 'Netapp 2 ndmp daily /vol/cognos' Submitted
Information 2007/06/03 19:00:03 0 GUI ADMT Job 1395 'Netapp 2 ndmp daily /vol/boeing' Submitted
Information 2007/06/03 19:00:03 0 GUI ADMT Job 1396 'Netapp 2 ndmp daily /vol/Vmware' Submitted
Information 2007/06/03 19:00:03 0 GUI ADMT Job 1397 'Netapp 2 ndmp daily /vol/Temp' Submitted
Information 2007/06/03 19:00:03 0 GUI ADMT Job 1398 'Netapp 2 ndmp daily /vol/TSProfiles' Submitted
Information 2007