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How to run more than 36 NDMP jobs on a vserver-scope cluster

How to run more than 36 NDMP jobs on a vserver-scope cluster

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Visibility:: Public

Votes:: 0

Category:: ndmp

Specialty:: dp

Last Updated:

Applies to

ONTAP 9
NDMP operating in vserver scope
Data Management Application (DMA) is using the NDMP Cluster Aware Backup (CAB) extension

Description

A multi-node cluster, with >= 24 GB memory on each node, is unable to run more than 36 simultaneous NDMP backups.
With 36 NDMP backup jobs active, additional jobs fail with the message maximum number of NDMP processes (36) forked. Cannot accept connection from IP address... '
When 36 NDMP sessions are active, the NDMP server will not allocate additional sessions
On the backup application side, messages such as server connection to file server...failed , or socket connection failed appear