Dell Unity 400 DC

This document highlights minimum, recommended, and latest code versions for Dell Technologies Enterprise and Datacenter Infrastructure products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.

Dell EMC response to the Spoiler exploits for Dell Client systems, Dell EMC PowerEdge servers, and leveraged platforms.

This document describes the objects and equipment used by Customer Engineers (CEs) when on-site. Please check and prepare in advance.

This article explains the procedure to open a Service Request (SR) using the Dell support page. Get help fast for your Dell device. No more waiting on hold. No more tech headaches. Dell makes it simple to fix problems, schedule repairs, or get support—right from your device or our support website.

This article provides links to several Dell Community pages.

Dell Storage Simple Support Matrices on E-Lab Navigator provide the optimal interoperability for your storage solution.

Information about the Storage Center Alert that the controller is failing over and how to proceed in diagnosing this message.

Unisphere SSL Certificate did not automatically regenerate.

Dell EMC Unity was configured with SRS Centralized, Dell EMC Support is able to see and access the array, but the array thinks it is not configured.

The Dell response to the recent Kaspersky Lab report detailing a sophisticated attack that exploited the ASUS trusted update mechanism (Live Update Utility), for Dell Client systems, Dell EMC PowerEdge servers, and leveraged platforms.

A Dell Unity Software upgrade fails with 'Health Check Error:check_replication_health_2, check_replication_health_5'. The software update could also fail with 'Warning: check_replication_health_4'.

Uploading the Unity OE Upgrade File fails with the error code: 0x7d13001.

CIFS Users get the error "Network BIOS session limit exceeded" when trying to access CIFS share.

A Storage Processor fails to start after re-imaging to VNX Block version 05.33.009.5.236 because of a code deficiency in the Operating Environment for that release.

This article describes how to gather the necessary log for Dell Support to troubleshoot MetroSync Manager issues.

Unity call home alert 14:60a38 states: "FastCache has disks that are predicted to exceed drive-specified endurance in less than 30 days with different days remaining for End-Of-Life (EOL)."

This article explains why a Storage Processor (SP) Panics when a pool reaches 100% consumed and provides remediation options.

This article describes Data Reduction considerations and best practices on a Dell Unity array.

What is the Unity Performance Metrics Aging Policy and the length of retention for Unity Performance Archive (UPA) files?

This article explains two methods of upgrading the Unity OE: Unisphere UI and Command Line (uemcli)

This article shows how to monitor a drive rebuild or proactive copy. (User Correctable)

This article explains how to disable TLS 1.0 and 1.1 on a Unity array. (User Correctable)

This article discusses how to download and upgrade the drive firmware on all Unity arrays except the virtual UnityVSA appliance. UnityVSA is not impacted.

This KB explains how to manage VNX's unisphere using an LDAP user

Quota trees may not be nested within a single directory.

Dell EMC Unity: FAQ for Unity Replications

Steps to configure SNMP alerts on a Dell Unity array. (User Correctable)

This article aims to provide a comprehensive overview of the key differences between FAST VP and FAST Cache.

NFSv4.1 clients sharing the same hostname may experience frequent session terminations and recreations. This occurs because the NFSv4.1 protocol uses the hostname as part of the unique client identifier (Client Owner). When multiple hosts use the same identifier, the storage server (e.g., Dell Unity) perceives them as the same client attempting to re-establish a connection, leading to a "session flapping" loop and potential I/O hangs.

Linux user may not be able to access some files or folders in Network File System (NFS) export after upgrading to Unity OE 5.5.