VPLEX: show-use-hierarchy cli command error: No device with the name <device name>
Summary: This article talks to the issue where when a leg is reattached to a mirror the show-use-hierarchy command is reporting that there is no device with that name.
Symptoms
The "show-use-hierarchy" command is failing to get the details of a device after a leg is re-attached with the same name.
After Re-attaching a same mirror leg the "show-use-hierarchy" command is failing with the error "No device with the name <device name>".
Example of this error:
VPlexcli:/> show-use-hierarchy distributed-storage/distributed-devices/device_EAST_UNITY_NONPROD_255
show-use-hierarchy: Evaluation of <<show-use-hierarchy distributed-storage/distributed-devices/device_EAST_UNITY_NONPROD_255>> failed.
cause: Cannot get value of attribute 'used-by'.
cause: Firmware command error.
cause: No device with the name <device name>.
Cause
Resolution
1.List the device reporting error and check if it is healthy.
Example:
Attributes:
Name Value
---------------------- ---------------------------------
application-consistent false
auto-resume true
block-count 1342177280
block-size 4K
capacity 5T
clusters-involved [cluster-1, cluster-2]
geometry raid-1
health-indications []
health-state ok
locality distributed
operational-status ok
rebuild-allowed true
rebuild-eta -
rebuild-progress -
rebuild-status done
rebuild-type full
rule-set-name cluster-2-detaches
service-status running
stripe-depth -
system-id device_EAST_UNITY_NONPROD_255
thin-capable false
transfer-size 2M
virtual-volume device_EAST_UNITY_NONPROD_255_vol
2. Check on the GUI to see if the device hierarchy is visible.
a. Follow the steps to check from GUI:
i. Go to Provision storage -- Distributed -- Distributed Devices
ii. Select the Distributed device name and right click on the DD name, then click on the "View map" option as shown below:

Example of the GUI map view:

3. If the device is present in the map view, follow the below workaround.
a. Restart the Management console via the below command
Restarting EMC VPlex Management Console... done
b. Or refer to the KBA listed below on how to restart the management console:
KBA 000040517 : https://www.dell.com/support/kbdoc/en-uk/000040517/vplex-how-to-restart-vplexmanagementconsole-to-refresh-vplex-cli-gui
If the Device Map is not viewable in the GUI or if the VPLEX Management console did not fix the issue open a live chat with VPLEX support.
NOTE: To open a chat with support go to https://www.dell.com/support/ once on the Support page you should see a Black menu bar, click on "Contact Support" at the far right on the menu bar, this will take you to the "Contact Information" page. On the right side of the screen you will see "Dell EMC Administrative Chat", click on this choice and you will be taken to the Live Chat page. For the first step from the "Select Chat Topic" field click on the drop down arrow on the right and then select the related topic for the chat. Then follow the rest of the steps as asked supplying the necessary info for each questions/selection.
Additional Information
| https://downloads.dell.com/TranslatedPDF/AR-SA_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/DE_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/ES_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/ES-XL_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/FR_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/IT_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/JA_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/KO_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/NL_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/PT_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/PT-BR_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/RU_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/SV_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/ZH-CN_533945.pdf |
| https://downloads.dell.com/TranslatedPDF/ZH-TW_533945.pdf |