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Removing clustering

Tasks for removing clustering  Top

Removing clustering is a two-step process:

Disabling clustering software  Top

To disable the clustering software, complete the following steps.

Step

Action

1

Enter the following command on either node console, as shown in the following example:

cf disable
2

Disable the cluster license using the following command, as shown in the following example:

license delete cluster

Note
If you are using a version of Data ONTAP earlier than 6.4, the command is license cluster=disable.

3

Open the /etc/rc file with a text editor and remove references to the partner node in the ifconfig entries, as shown in the following example:

Original entry:

ifconfig e0 199.9.204.254 partner 199.9.204.255

Edited entry:

ifconfig e0 199.9.204.254
4

Repeat Steps 1 through 3 on the partner node.

5

Go to Removing clustering hardware.

Removing clustering hardware  Top

To remove the clustering hardware and recable the node's disk shelves, complete the following steps.

Step

Action

1

Halt both nodes by entering the following command on each console:

halt
2

Turn off the power to each node, then turn off the power to the disk shelves and unplug them from the power source.

3

Ground yourself, then remove the cluster interconnect cables from both nodes.

4

In a FAS940 or FAS960, open both nodes and remove the cluster adapters, and then close the nodes.

In a FAS980, if a regular cluster is being converted to a stand-alone filer, the NVRAM5 adapter must be removed from slot 11 and installed in slot 10. If a metrocluster is being converted to a stand- alone filer, the VI cluster adapter must be removed from slot 11.

See the Hardware and Service Guide for additional information.

5

Unplug the local node from the partner node's Channel B disk shelf and do the same for the partner node.

6

If you are converting to a...

Then...

System with nonmirrored disks

  1. Disconnect all cabling from the Channel B loop on the local node.
  2. Repeat Step 1 for the partner node.

System with mirrored disks or redundant Channel B loop

  1. Connect the local node to the open Channel B loop in its local disk shelves, as described in the appropriate disk shelf guide.
  2. Repeat Step 1 for the partner node.
7

Power on the disk shelves, then the individual nodes, monitoring the system console for error messages during the boot process.

8

Run all system diagnostics at the boot prompt by entering the following command on the system console:

sysdiag
9

Unset the partner sysid by entering the following command at the prompt:

unsetenv partner-sysid
10

Boot the node by entering the following command:

boot
11

Check clustering status by entering the following command:

cf status

Result

If clustering is disabled, you see the following output:

Cluster monitor not initialized
12

Repeat Step 1 through Step 11 for the partner node.

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