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July 13th, 2011 06:00

How do I turn off Dynamic DNS updates ?

we replicate VDM's from one to other Ns-120, when i reverse the replication or switch the vdm - the vdm delete's the dns entry on the dns server (windows)

How do i turn this off?

thanks

674 Posts

July 13th, 2011 07:00

it is:

param dns updateMode

Please review the param description and configure accordingly

5 Posts

July 13th, 2011 07:00

ok thats no problem, because we use the same ip adresses on both sides (only the interfaces are on one site down)

please tell me the parameter

thanks

674 Posts

July 13th, 2011 07:00

There is a param, but this would turn of dynamic DNS Updates for a whole physical datamover.

This would mean you would need to config DNS manualy.

Regards

Peter

57 Posts

July 13th, 2011 19:00

This is the paramter that you have to modify and that would help to fix things in you site. the explanation for the paramter is given in the detailed_description

server_param server_2 -facility dns -info updateMode -verbose
server_2 :
name                    = updateMode
facility_name           = dns
default_value           = 2
current_value           = 2
configured_value        =
user_action             = none
change_effective        = immediate
range                   = (0,2)
description             = Update mode for DNS (default: secure)

detailed_description
By default, the Data Mover will issue secure Dynamic DNS updates to the DNS server for the DNS domain it joins. param dns updateMode=0, no updates param dns updateMode=1, insecure updates param dns updateMode=2, secure updates (default)

To modify the value you can use the following command:

server_param server_2 -facility dns -modify updateMode -value 0/1/2

Please try to test the fail over once this modification is done to chck every thing is ok.

Note: If you disable this option i think you if you create a new cifs server it will not get update in the DNS.

5 Posts

July 19th, 2011 02:00

thank you it works, but we have to reboot the datamover

thanks very much

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