Data Domain: Validate and Clear Power Supply Alerts on the Head Unit

Summary: This article explains how to determine whether a "Power supply has failed" alert on a Data Domain Head Unit is valid or a false positive. It also provides steps to clear persistent indictments and verify Power Supply Unit (PSU) status. ...

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Symptoms

A critical hardware alert appears, for example:

EVT-ENVIRONMENT-00026: Power supply has failed

Example:

sysadmin@deedeebox# alerts show current
Id       Post Time                  Severity   Class               Object                      Message
------   ------------------------   --------   -----------------   -------------------------   -------------------------------------------------------------
p0-537   Wed Jan 20 08:34:47 2021   CRITICAL   HardwareFailure     Enclosure=1:PowerSupply=0   EVT-ENVIRONMENT-00026: Power supply has failed
 

However, hardware status commands show both power modules reporting OK:

enclosure show powersupply
enclosure show fans
sysadmin@dd# enclosure show powersupply
This command may take up to a minute to complete. Please wait...
Enclosure   Description      Status
---------   --------------   ------
1           Power module 0   OK
1           Power module 1   OK
---------   --------------   ------
sysadmin@dd# enclosure show fans
Enclosure Description Level Status
--------- ----------- ----- ------
FAN 0A low OK
FAN 0B low OK
FAN 1A low OK
FAN 1B low OK
FAN 2A low OK
FAN 2B low OK
FAN 3A low OK
FAN 3B low OK
FAN 4A low OK
FAN 4B low OK
FAN 5A low OK
FAN 5B low OK
--------- ----------- ----- ------

Cause

A false Power Supply alert may occur even when the PSU is operating as expected.
In these cases, the alert is caused by a persistent indictment, not an actual hardware failure.

Resolution

1. Access the CLI

Log in to the Data Domain system using SSH as the sysadmin user.

2. Check for Active Persistent Indictments.

Run:

system indict list

Any active indictments are displayed with an ID.

3. Remove the Persistent Indictment.

Remove the indictment using its ID:

system indict remove <id>

4. Verify the Alert Clears.

    • Wait 2 minutes
    • Run: 
      alerts show current
    • Confirm that the Power Supply alert has cleared.

5. If the Alert Persists

  • Recheck for new indictments and remove them as needed: 
    system indict list
system indict remove <id>
  • If no indictments remain and the PSU still shows as failed:
    • and physical inspection and troubleshooting have been completed
      • Proceed with PSU replacement.

Additional Information

 DDOS Versions below 7.7.5.40, 7.10.1.15, 7.13.0.0 - do not have the 'system indict' command.

  • Customers should contact Dell Tech Support to help with clearing the posted alert.
    • Reference this KB (#000182614) to expedite the resolution.
  • Once the alert is manually cleared, customers running these versions of DDOS should consider upgrading to a newer version.

For genuine PSU failures and Troubleshooting, see: Data Domain: Troubleshooting Power Supply (PSU) Alerts

Affected Products

Data Domain
Article Properties
Article Number: 000182614
Article Type: Solution
Last Modified: 08 مايو 2026
Version:  4
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