Re: [Veritas-bu] Client Hostnames

[Carlisle, D Renee]

Title: Client Hostnames

We do the same thing.  Each server, including the master and media servers have two nics, each with their own name in dns.  One caveat, especially with user directed or database backups, have REQUIRED_INTERFACE set on your clients and set it to the name of the nic on your backup network.  If you don't, the clients may send information out on the public interface and the media server will respond on whichever network it received the request.  I would also make sure your nic cards are configured to use a set speed with full duplex enabled.  You could run into performance issues if you use auto-negotiate.  We have always been told the FQDN are best practice, and that is what we use.

 

 

 

Reneé Carlisle

Jer 29:11-13

 

 

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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Hindle, Greg
Sent: Wednesday, September 27, 2006 3:02 PM
To: Hillman, Eric; veritas-bu@mailman.eng.auburn.edu
Subject: Re: [Veritas-bu] Client Hostnames

We use fully QDN's here. We add 2 nics to each client one with its public name and the other with a private name with NBU at the end. This NBU interface is configured in the same vlan as our netbackup servers. Both names are in DNS.

 

Greg

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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Hillman, Eric
Sent: Wednesday, September 27, 2006 2:38 PM
To: veritas-bu@mailman.eng.auburn.edu
Subject: [Veritas-bu] Client Hostnames

We have public and backup networks.  All clients have a public network which is typically 100Mb and some clients (larger clients) have a backup network which is typically GbE.  This seems to be pretty typical in larger organizations. 

Given the above scenarios, my question is… in Netbackup what do you name your clients with backup nic's? 

Option #1: Add a dns entry of the client name with a "-backup" suffix and assign it's backup ip.  Do the same with the Master/Media server and add their -backup hostnames as additional servers from within the netbackup client software

Option #2: Instead of using dns, simply add the -backup hostname client alias to the local hosts file on the Netbackup Master/Media servers and assign the backup ip.  Do the same with the Master/Media server and add their -backup hostnames as additional servers from within the netbackup client software

Option #3: Simply override the actual client's hostname IP with it's backup ip by adding it to the local hosts file on the Netbackup Master/Media server.  Do the same with the Master/Media server in the client's hosts file and leave the non -backup hostnames as servers in the netbackup client software.  This alternate method would overwrite the DNS record of the actual client and Master/Media hostnames with the hosts backup IP. 

Also, is it best practice to use FQDN's, or no?

Thanks
-Eric

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