Prerequisites to software upgrade

Data ONTAP upgrade summary

The following table summarizes the Data ONTAP software upgrade paths for upgrading to Data ONTAP 6.5.1.

If you are upgrading from this Data ONTAP release...	Your upgrade requirements for Data ONTAP are...
6.4 or 6.4.1	Upgrade to a version of Data ONTAP 6.4.2 first, then upgrade to 6.5.1. See Requirements if you are upgrading from 6.4.1.
6.4.2 (any version of)	Upgrade directly to 6.5.1.
6.5 or 6.5R1	Upgrade directly to 6.5.1.

If you are upgrading from this Data ONTAP release...

Your upgrade requirements for Data ONTAP are...

6.4 or 6.4.1

Upgrade to a version of Data ONTAP 6.4.2 first, then upgrade to 6.5.1.

See Requirements if you are upgrading from 6.4.1.

6.4.2 (any version of)

Upgrade directly to 6.5.1.

6.5 or 6.5R1

Upgrade directly to 6.5.1.

Upgrading clusters

If you have a gFiler cluster, you can upgrade one gFiler to Data ONTAP 6.5.1 and leave the other gFiler running at least 6.5. Alternatively, you can upgrade both gFilers in the cluster to 6.5.1.

Where you can obtain Data ONTAP files

You can obtain the latest system files from the following locations:

On NOW
If you have access to NOW, you can download the latest release of Data ONTAP from the Download Software page (on the NOW site at http://now.netapp.com/NOW/cgi-bin/software/). Under Data ONTAP, select your platform, then select View & Download under the latest Data ONTAP release and follow the instructions.
On the CD-ROM that is supplied in your media package
Your authorized reseller

Determine which additional procedures you need to perform

Before installing the latest Data ONTAP release on your gFiler, determine whether you need to perform one or more of the procedures described in the following table.

Procedure	Complete the procedure if...
Verifying that the gFiler has a domain account	You are running CIFS on the gFiler and are using a Windows NT 4.0 domain controller for authentication. In this case, the gFiler must have a domain account.
Enabling DNS with Windows 2000 name server addresses	You are running CIFS on the gFiler and are using a Windows 2000 domain controller for authentication.

Verifying that the gFiler has a domain account

To verify that the gFiler has a domain account, complete the following step.

Step	Action
1	From the gFiler, enter the following command: cifs lookup

Enabling DNS with Windows 2000 name server addresses

To enable DNS with Windows 2000 name server addresses, complete the following steps.

Step	Action
1	Using a text editor, create or open the /etc/resolv.conf file in the root volume. Enter up to three lines, each specifying a Windows 2000 name server host in the following format: nameserver ip_address Example: nameserver 192.9.200.10
2	Save the file.
3	Enter the following command at the gFiler console to enable DNS: options dns.enable on

Step

Action

Using a text editor, create or open the /etc/resolv.conf file in the root volume. Enter up to three lines, each specifying a Windows 2000 name server host in the following format:

nameserver ip_address

Example:

nameserver 192.9.200.10

Save the file.

Enter the following command at the gFiler console to enable DNS:

options dns.enable on