Dell Unity 300 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.

Dust or chemical contamination at the endface of a fiber optic LC connector or transceiver module impedes signaling. Dell engineering teams have verified cases in which a fully functional port appears to be a bad port because dirty optical connectors manifest as a port failing loop testing with acceptable power measurement levels. Cable connectors should be cleaned and when stored must be protected from dust particle or chemical contamination.

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.

This article describes two methods for manually installing a license file obtained from the Licensing team on Dell Unity arrays.

This article describes multiple ways to enable and disable SSH on Dell Unity arrays.

Explore the Dell End of Service Life (EOSL) and End of Life (EOL) list for converged infrastructure, storage, and storage networking products. Access End-of-Life documents for hardware, software, and firmware release and service dates

This KB instructs how to activate a Unity license within Software License Central and to regenerate a Unity license to a new software version. For example, from .lic to xml

Learn how the MyService360 services analytics dashboard integrates the Dell AIOps (formerly CloudIQ) Health Score into the Install Base views. This integration streamlines services and product health management by IT admins using the MyService360 and Dell AIOps portals. Verify supported products by portal and access helpful Dell AIOps resources.

Custom SSL certificate installation in Unisphere may fail with the error "File <unitycert.pk> does not exist" when required certificate files are not located on the Primary Storage Processor (SP) or are stored in an incorrect directory. This article explains how to verify file locations, correct naming issues, and resolve the error before running the certificate installation command.

This article describes one of the reasons that the upgrade image might show an incorrect format message. (User Correctable)

Restores fail as Network Data Management Protocol (NDMP) header is corrupted, causing I/O errors and file numbers that break positioning, triggering "NDMP Service Error: Cannot identify format."

This KB article explains how to modify Key Management Interoperability Protocol (KMIP) servers (OR switch to a different vendor).

This KB explains the Pre-Upgrade Health Check (PUHC) failure "platform::check_dimm_error_status_1"

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

This article describes how to enable CPU and Memory Utilization Monitoring, set custom system usage threshold alerts, and define user email messages to be notified.

This article contains information about customer replaceable unit (CRU) videos for Dell Technologies VNX and VNXe products.