DELL EMC Unity: Top Services Topics

This document contains the list of Top Services Topics for Dell EMC Unity, identified by EMC Support as the most trending topics for the month of December 2018:

It is recommended that you also check for important information such as advisories (ETAs, ESAs), and other key resources on the Support by Product pages on the EMC Online Support portal.

Dell EMC Unity: Unity All-Flash Array (AFA) is reporting “15b4000 [WARN] System” messages with lane errors (“Lane 0 Error”). (Dell EMC Correctable)

A correctable event occurred within the hardware located on the Storage Processor (SP) supporting the inter-SP connection known as the CMI (Common Management Interface).  This event may be reported for a single lane within the CMI but all lanes are reported in the log every time.


Dell EMC Unity : File Mobility - NAS Server CIFS Migration hangs at 97% or 99% (Dell EMC Correctable)

A  customer attempting a VDM CIFS migration from VNX is unable to complete the migration as it hangs at 97% or 99% after cutover is issued.


Dell EMC Unity: Unity not reachable after Primary SP reboot during upgrade (User correctable)

Unity Management Services go unreachable during the Primary SP reboot in the Code upgrade.


Dell EMC Unity : Received error code "The DNS client is unable to connect to name server xx.xx.xx.xx " (User Correctable)

When using NAS Server replication, destination system sometimes inaccurately reported that DNS, NIS or LDAP services were not accessible and that the fix is included in version


Dell EMC Unity - Unisphere Support Contracts report No contract.(Error Code:0x6400b72) (Customer Correctable)

Cemtracer_emcsupport.log provided reason : Failed to connect to port 80: Connection timed out


Dell EMC Unity: DataStore Full :: VMware ESXI Datastore usage does not match Unity Pool usage (User Correctable)

Host is running ESXi 5.5 Update 1a 2014-04-19 1746018 (Potentially other ESXi versions from 5.5 to 6.5 could experience this


Dell EMC Unity: Removing A Cancelled Mobility Session (Dell EMC Correctable)

There are stale migration-sessions configured on the array. Cleanup is required in order to proceed with the upgrade. 

Dell EMC Unity: Failed to create snapshot with error 1903001809 (User Correctable)[1]

The maximum number of checkpoint file system snapshots have already been created on this array.

Dell EMC UNITY: vCenter 6.7 unable to register Unity as VASA provider (User Correctable)[2]

Certificate Signing Request Changes - to improve security, VMware has made a change in the list of acceptable signing algorithms for certificates, which affects VASA provider certificates.


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