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Dell PowerVault ME4 Series Storage System Deployment Guide

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Correcting enclosure IDs

When installing a system with expansion enclosures attached, the enclosure IDs might not agree with the physical cabling order. This issue occurs if the controller was previously attached to enclosures in a different configuration, and the controller attempts to preserve the previous enclosure IDs.

To correct this condition, ensure that both controllers are up, and perform a rescan using the PowerVault Manager or the CLI. The rescan reorders the enclosures, but it can take up to two minutes to correct the enclosure IDs.
NOTE:Reordering expansion enclosure IDs only applies to dual-controller mode. If only one controller is available, due to a controller failure, a manual rescan does not reorder the expansion enclosure IDs.
  • To perform a rescan using the PowerVault Manager:
    1. Verify that both controllers are operating normally.
    2. In the System tab, click Action, and select Rescan Disk Channels.
  • To perform a rescan using the CLI, type the following command:
    rescan

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