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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
Attempt to create an SMB share named "Home" fails with error "A Share With The Specified Name Already Exists In The NAS Server. (Error Code:0x900a008)
Updated: May 13, 2026
ID: 000197531
Refreshing replication remote connection between Unity 5.1.2 and VNXe2 will fail during the "Refresh remote system connections on local system" step.
Updated: May 13, 2026
ID: 000197388
When user copies multiple files to a folder in a Continuous Availability (CA) enabled share, a prompt "The destination already has a file that is named XXX" may be received for one of the files that being copied. Disabling Continuous Availability on the share may help to work around the issue.
Updated: May 13, 2026
ID: 000197344
After upgrading to 5.1.2 the SPs may panic and go into service mode due to an issue with processing invalid NFS exports.
Updated: May 13, 2026
ID: 000197235
Unity SRM/SRA plugin discover shows the status as "Failover in progress".
Updated: May 13, 2026
ID: 000214347
Dell Storage Simple Support Matrices on E-Lab Navigator provide the optimal interoperability for your storage solution.
Updated: May 13, 2026
ID: 000126411
Client application reports "no space left on device" when attempting to create file(s) on a Unity File System. There is sufficient available capacity in the File System.
Updated: May 13, 2026
ID: 000196796
This article describes one of the reasons why an error is generated when trying to enable Tree Quota for an existing folder.
Updated: May 13, 2026
ID: 000196737
How to perform storage performance analysis and sizing of ASP capacity and individual disks for an IBM i host system.
Updated: May 13, 2026
ID: 000196713
This article provides best practices for the management of write cache (disabling, enabling, checking, flushing) during Unity Storage Processor (SP) maintenance activities. (User Correctable)
Updated: May 13, 2026
ID: 000196684
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
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
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
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