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NBU 7.1 GRT - SharePoint Clustered DB - IPv6

Created: 07 Aug 2012 | 1 comment

Hello all.

  I have a case open with Symantec now and the backend engineer says my GRT backup problem stems from IPv6 being enabled.  Looking at all the servers in the farm and NBU, only the MS cluster has IPv6 enabled to talk to itself; MS says not to touch the settings of these adapters.

It's clear that NBU does not support IPv6, so does that mean NBU doesn't support GRT for Sharepoint in a MS Cluster?  Is anyone else running in this environment?

Thanks for any advice.

Dan

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CRZ's picture

Hi Dan,

I believe this is a known limitation.  It's the very first one listed here:

IPv6 Limitations in NetBackup 7.1 for various NetBackup features.
 http://symantec.com/docs/TECH168171

If we don't support GRT with IPv6, and your cluster has IPv6 enabled, I think we can logically conclude that we can't support GRT to that cluster.

Can you expand on "Microsoft says not to touch the settings of these adapters?"  It appears as if they provide instructions on how to do that right here:

How to disable IP version 6 (IPv6) or its specific components in Windows 7, in Windows Vista, in Windows Server 2008 R2, and in Windows Server 2008
 http://support.microsoft.com/kb/929852

(If I misunderstood your architecture or you're using a different O/S version, this may not be as helpful and you have my apologies in advance.  It's always tricky when a UNIX guy tries to offer Windows advice)

Did your backline engineer expect that things would start working if you disabled IPv6?  I would say it's worth the try to test against that if you can.  At least if it STILL doesn't work, you can come back and let them know that it was a red herring and troubleshooting can continue.

(DISCLAIMER: Backline engineers know more than me; my word shouldn't be taken for anything when you already have a case open AND with a backline engineer; if anything I've said contradicts what a backline engineer has already said, I am wrong and they are correct; I am not afraid of a beatdown from a backline engineer no matter HOW long this disclaimer goes)


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