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Setting Maximum Jobs per Client on a per client basis in VERITAS NetBackup (tm)

Article: 100016100
Last Published: 2010-01-08
Ratings: 0 1
Product(s): NetBackup & Alta Data Protection

Problem

Setting Maximum Jobs per Client on a per client basis in VERITAS NetBackup (tm)

Solution

Maximum Jobs per Clientapplies to all clients in all policies, so it is recommended that it be setto accommodate whichever client can handle the lowest number of concurrent jobs.In addition, it is most commonly recommended that the Maximum Jobs per Clientglobal attribute is set to a higher value and the jobs per policy arerestricted when tuning in this area is desired.
However, there are scenariosin which time windows for backups, the amount of data backed up per client, orresource differences between clients can vary to such a degree as to causeunder-utilization of resources. This can easily cause backups to take longerthan expected.
In these situations, thefollowing can be done to tune Maximum Jobs per Client on a per clientbasis, using the -max_jobs option with the bpclient command, found in the /usr/openv/netbackup/bin/admincmd directory.
To create a client entry inthe NetBackup client catalog with the Maximum Jobs per Client attribute,run this command from the master server:
bpclient -add -client <client name> -max_jobs#
For example:  
cd/usr/openv/netbackup/bin/admincmd
bpclient-add -client <client name> -max_jobs 5

This creates the followingdirectory in the NetBackup client catalog:
/usr/openv/netbackup/db/client/<clientname>
for the client this commandwas run for.
The host_info file iscreated in this directory with the following line:
MAX_JOBS_THIS_CLIENT5

To change the Maximum Jobs per Client once it hasbeen originally set:
bpclient-client <client_name> -update -max_jobs #

To delete a client entry:
bpclient-delete -client <client_name>

To list a client entry:
bpclient-L -client <client_name>

Note: This setting will override the maximum jobssettings on both the policy and the master server level. See article 267104 forfurther information.


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