nsrexec:System Error: No such process

[ThePotter]

Get this error sporadically. Often the automatic retry is successful and the backup completes. When it doesn't complete a re-run of the backup on the following day always succeeds.
It is not consistently the same backup set within the client or indeed consistently the same client.
There are no residual save processes at the client end or nsr* processes at the server end from previous runs that have not terminated.
Can't find anything meaningfull in Legato or Windows logs.
Something of a mystery, can anyone help.
System details:-
Legato 7.2.1
Running on win 2K SP4

 

[ThePotter]

May be relevant, the failed backups are predominantly (but not exclusively) cluster resources.

 

[keefb]

Sounds simply like a resource problem / Network traffic.

If on a retry the backup then completes then I would suggest that legato is doing exactly as it should be.

this really does sound environment / resource esq

Regards
KeefB

 

[ThePotter]

Have resolved the problem.
It was caused by the degree of parallelism set for the backup group. When the number of streams hit our limit of 16 subsequent backups failed.
The behaviour varied depending on what groups were set to 'skip' on a given day and obviously re-running the failed backup group or client in isolation on the following day would cause no issues.
Have reduced the degree of parallelism and modified the backup schedule.