How to Enable DIMM Blacklisting

B.

DIMM Blacklisting is a feature that allows administrators to identify and exclude faulty memory modules from being used by a server. This feature can help prevent memory-related system failures and improve system reliability.

Out of the four options provided, the correct one is option B - Enable blacklisting in the servers > policy subtab.

To enable DIMM Blacklisting, follow these steps:

1. Log in to the Cisco Unified Computing System (UCS) Manager.
2. Navigate to the Servers tab and select the server for which you want to enable DIMM Blacklisting.
3. In the Policies subtab, click the Memory link.
4. In the Memory Policy dialog box, select the DIMM Blacklisting option.
5. Configure the parameters for DIMM Blacklisting as desired, such as the threshold for memory errors before blacklisting is enabled.
6. Click OK to save the policy.

Once DIMM Blacklisting is enabled for a server, the UCS Manager will monitor the memory errors and automatically exclude faulty DIMMs from being used by the server. This can help prevent system crashes and improve overall system performance.

It's important to note that DIMM Blacklisting is only effective if the faulty memory modules can be identified and isolated. In some cases, memory errors may be caused by issues with the server's motherboard or other components, which cannot be fixed through DIMM Blacklisting alone. In these cases, further troubleshooting may be required to identify and resolve the root cause of the issue.