Unity: Unable to ping LACP interface compromised of CNA iom <eth4, eth5> PING icmp_seq=1 Destination unreachable: Address unreachable
Summary: Multiple datastores are currently in an inactive state and Virtual Machines are affected. The Symptoms the user observed are NFS Shares and CIFS Shares are inaccessible. When an LACP bond is used on a pair or more of QLogic based onboard CNA and Maelstrom SLIC ports traffic can become stuck requiring an ethernet device reset or SP reboot to resolve ...
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Symptoms
Unity Code upgrade from Unity 4.1 to 4.2.0.9392909
Multiple datastores are currently in an inactive state and Virtual Machines are affected. The Symptoms from client view is that NFS Shares and CIFS Shares are inaccessible (unavailable).
Multiple datastores are currently in an inactive state and Virtual Machines are affected. The Symptoms from client view is that NFS Shares and CIFS Shares are inaccessible (unavailable).
Cause
When an LACP bond is used on a pair or more of QLogic based onboard CNA and Maelstrom SLIC ports traffic can become stuck/wedged.
Resolution
Upgrade Unity to 4.2.0.947662 additionally it will be necessary to load the Unity OE Code Hotfix 4.2.0.9476662.0.4.004
or upgrade to Unity 4.2.2.9632250 with includes the above Hot Fix and all Hot Fixes
| 4.2.2.9632250 | Merlin SP2 | 26-Jan-2018 | Merlin SP1 + all the HFs included |
For additional information/confirmation see KBA 489694 : Dell EMC Unity OE Revision Matrix (User Correctable)
Affected Products
Dell EMC Unity FamilyProducts
Dell EMC Unity Family |Dell EMC Unity All Flash, Dell EMC Unity Family, VMware ESXiArticle Properties
Article Number: 000057239
Article Type: Solution
Last Modified: 16 Dec 2025
Version: 3
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