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Dell EMC Unity Hybrid

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Unable to run setfacl on Unity NFSv4 export.
Updated:  May 13, 2026 ID: 000196295

LUN or File System temporarily goes offline but comes back online by itself.
Updated:  May 12, 2026 ID: 000193664

The System Status Card on a DAE has faulted.
Updated:  May 13, 2026 ID: 000052396

A cooling module has faulted, and an alert is generated.
Updated:  May 13, 2026 ID: 000062783

Dell EMC Unity Storage Processor has failed and must be replaced.
Updated:  May 13, 2026 ID: 000062953

SFTP disconnection seen post Unity Code Upgrade to OE 5.0.7 version
Updated:  May 13, 2026 ID: 000195892

During an NDU to 5.1.X code, if a rebalance operation is running, SP can panic.
Updated:  May 13, 2026 ID: 000195884

When Continuous Availability (CA) is enabled on an SMB share, upgrading to version 5.1.2 may induce SP panics and SPs going in to service mode.
Updated:  May 12, 2026 ID: 000195010

If inconsistent block size settings are used in the 2-way NDMP data transfer path, the NDMP backup will not work and the tapes used during the backup may be marked full prematurely. It has been observed that the NDMP backup will start but the tape loaded in the drive gets marked full immediately, even if there is space remaining on the tape.
Updated:  May 12, 2026 ID: 000192759

Users found that the performance charts are not available in UnityOS 5.1.0 and 5.1.1.
Updated:  May 12, 2026 ID: 000192659

This article describes how to copy customer data back to system drives from the hotspare used in Traditional pools.
Updated:  May 12, 2026 ID: 000192478

This article explains an issue where upgrading to Unity OE 4.2 fails with the error "check_cores_existed_files_2." (User Correctable)
Updated:  May 12, 2026 ID: 000052543

A Dell Unity Storage Processor (SP) may unexpectedly reboot due to Memory Map (MMAP) issues.
Updated:  May 11, 2026 ID: 000191697

Drives can experience multi-bit CRC errors and go offline.
Updated:  May 11, 2026 ID: 000191642

Increased latency on NFS exports lasting about 30 seconds when the export settings are modified when using DNS names for hosts not IPs.
Updated:  May 11, 2026 ID: 000191522

If User Quota is enabled, when you check the size of the drive-mapped space from Windows client side, it is expected to show the size allocated by User Quota. However, after rebooting SP, the file system size was displayed instead of the User Quota size.
Updated:  May 11, 2026 ID: 000191431

This Knowledge Base Article is to explain how to use Unisphere to configure LDAP Users or Groups, for authentication on a Dell EMC Unity Array.
Updated:  May 11, 2026 ID: 000019613

Under certain out-of-space conditions, an upgrade to 5.1 may trigger file system offline or rolling SP reboots.
Updated:  May 11, 2026 ID: 000191205

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.
Updated:  May 11, 2026 ID: 000205512

After upgrading to 5.1, some users are unable to log in to Unisphere when their accounts are managed by LDAP.
Updated:  May 11, 2026 ID: 000190984

Upgrading to 5.1 breaks any calls that are issued using the nfs_v3_readdirplus call from Solaris NFSv3 clients.
Updated:  May 11, 2026 ID: 000190227

FTP/SFTP download may failed when customer FTP/SFTP server (NFS client) use Unity NFS share on Unity with NFSv4.0/NFSv4.1 as backend storage.
Updated:  May 11, 2026 ID: 000190195

A blank upload error appears in the Unisphere dialog with no specific error message or error code.
Updated:  May 11, 2026 ID: 000190184

Unable to save the configuration file due to an error when running save configuration from Unisphere UI.
Updated:  May 11, 2026 ID: 000190077

The Veeam backups do not complete after upgrading Unity OE to version 5.1 or later. It is unclear whether other Unity OE versions have Veeam backups not working. (Dell Correctable)
Updated:  May 10, 2026 ID: 000189458

Dell EMC Unity software reports error in Unisphere when an internal SSD is fully worn; however, there are no reported Alerts or dial home errors.
Updated:  May 10, 2026 ID: 000189150

After Windows update Windows server can no longer connect to event logs exported from NAS servers on Unity
Updated:  May 10, 2026 ID: 000189093

High number of hanging jobs "Delete VMware Virtual Volume" Unity Administrator did not initialise any of those jobs (all started automatically)
Updated:  May 10, 2026 ID: 000188804

Hosts keep disconnecting from the Unity storage system.
Updated:  May 10, 2026 ID: 000188553

Random stop responding conditions and performance issues while trying to access the exports on the destination side of replication. (User Correctable)
Updated:  May 10, 2026 ID: 000187917