CISCO NDFC Nexus Dashboard Fabric Controller (Formerly DCNM) User Guide

CISCO NDFC Nexus Dashboard Fabric Controller (Formerly DCNM)

New and Changed Information

The following table provides an overview of the significant changes up to this current release. The table does not provide an exhaustive list of all changes or of the new features up to this release.

originally provided in the Cisco NDFC-Fabric Controller Configuration Guide or the Cisco NDFC-SAN Controller Configuration Guide.
Beginning with release 12.1.3, this content is now provided solely in this document and is no longer provided in those documents.

Host Path Redundancy

The SAN Host Path Redundancy check enables you to view the non-redundant host storage paths.
It helps you identify the host enclosure errors along with the resolution to fix the errors.

All fabrics that are discovered must be licensed or this feature will be disabled in the Cisco Nexus Dashboard Fabric Controller Web Client. When the feature is disabled, a notification is displayed stating unlicensed fabrics are discovered.
Host Path Redundancy determines that the ports are part of the same enclosure by using the enclosure name displayed in NDFC. If the enclosure names are not exactly the same, then they will be viewed as separate devices. When the names are not exactly the same, the user must manually change the names in the edit enclosure dialog in NDFC, in order for Host Path Redundancy and other features to consider them the same device.

Choose SAN > Host Path Redundancy. 

Diagnostic Test

1. Choose SAN > Host Path Redundancy > Diagnostic Test.
2. Under the Diagnostic Test tab, use the check boxes to select the host redundancy optional checks.
3. Check the Automatically run tests every 24 hours check box to enable periodic running of the checker. The checker will run every 24 hours starting 10 minutes after the server starts.
4. Check Limit by VSANs check box, and selectinclusion or exclusion. Enter VSAN or VSAN range in the text field to include or skip the host enclosures that belong to VSANs from the redundancy check.
5. Check other optional checks to perform the relevant check.
6. Click Clear Results to clear all the errors displayed.
7. Click Run Tests Now to run the check at anytime.
8. The results are displayed in the relevant tabs that are next to the Diagnostic Test tab.

Hostpath Errors

Choose SAN > Host Path Redundancy > Hostpath Errors tab to display the host path redundancy errors table. The top of the table displays the colored Good, Errored, and Skipped host enclosure counts.

The following table describes the fields that appear on SAN > Host Path Redundancy > Hostpath Errors.

of each path in the host enclosures seeing an error.
Storage Enclosure| Specifies the connected storage that is encountering the error.
Description| Specifies the description of the error.
Fix| Specifies a solution to fix the error. Point to the error to view a solution to fix the error.
First Seen| Specifies when the error was first seen.

The following table describes the action items, in the Actions menu drop-down list, that appear on SAN > Host Path Redundancy > Host path Errors.

selected rows host enclosure to an exclusion list. The errors from that host will no longer be reported and the current errors will be purged from the database.
Ignore Storage| Select a row from the table and choose Ignore Storage to add the selected rows storage enclosure to an exclusion list.
Ignore Host Storage Pair| Select a row from the table and choose Ignore Host Storage Pair to add the selected rows host- storage pair enclosure to an exclusion list.
Clear Results| Select a row from the table and choose Clear Results to clear the results.

Ignored Host

Choose SAN > Host Path Redundancy > Ignored Host tab to display the list of host enclosures that have been skipped or ignored by the redundancy check along with the reason for skipping.

The following table describes the fields that appear on SAN > Host Path Redundancy > Ignored Host. Select a host enclosure and click Unignore to remove the host from the ignored list and begin receiving errors about the host you had chosen to ignore.

following reasons may be displayed:

• Skipped: Enclosure has only one HBA.
• Host was ignored by the user.
• Host ports managed by more than one federated servers. Check can’t be run.
• Skipped: No path to storage found.

Ignored Storage

Choose SAN > Host Path Redundancy > Ignored Storage tab to display the list of storage enclosures that have been selected to be ignored during the redundancy check.

The following table describes the fields that appear on SAN > Host Path Redundancy > Ignored Storage. Select a storage enclosure and click Unignore to remove the storage from the ignored list and begin receiving errors about the storage you had chosen to ignore.

error.
Ignore Reason| Specifies the reason for which the storage was ignored.

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References

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