Data Domain: Top Services Topics

This document contains the list of Top Services Topics for Data Domain, identified by EMC Support as the most trending topics for the month of December 2018.

It is recommended that you also check for important information such as advisories (ETAs, ESAs), and other key resources on the Support by Product pages on the EMC Online Support portal.


Data Domain: Data Domain System Manager fails to open the login page, rather shows error as "The GUI Service is temporarily unavailable" while trying to login using Web Browser

User is unable to launch Data Domain System Manager from any Web Browser, error displayed is "The GUI Service is temporarily unavailable.

Data Domain: Manual deletion of data from a DataDomain FAQ

This document aims to answer questions about why data might need to be deleted from a DataDomain, and how this can be achieved.  

Data Domain: Data Domain Operating System (DDOS) upgrades from DDOS 5.x to DDOS 6.x may fail during the precheck stage stating that 'index files are in an old format'[1]

When upgrading the Data Domain Operating System (DDOS) from DDOS 5.x to 6.x the upgrade may fail in the precheck stage stating that on disk index files are in an old format which is not supported by DDOS 6.x.    

Data Domain Management Center: How DataDomain Management Center (DDMC) gathers DD historical data, and guidance for resolving related alerts

DataDomain Management Center (DDMC for short) is a software released to customers, which installs on some VM hypervisros, to help with managing up to 100 DDs per DDMC instance from a single modern, comprehensive and useful graphical interface.

Data Domain: DD2200 and DD2500 Systems Fault LED light is amber but there are no current alerts.

After system reboot or any HW change DD2200/DD2500 shows an amber light in the front panel system fault LED (see Figure 1 below) although the system is healthy and there are no current alerts into the system.

Data Domain: Scheduled cleaning fails to start resulting in ALERT - EVT-GC-00002: Unable to start scheduled file system cleaning

Cleaning may fail to start at scheduled time and result in an alert.

DPA: Configuring and verifying the NTP service on the Data Domain system

The Network Time Protocol (NTP) is a networking protocol for clock synchronization between computer systems over packet-switched, variable-latency data networks, in other words, is a protocol to make sure date and time is correct and coordinated across all participating hosts in a network.   

MSG-PMON-00012: Cannot restart /ddr/bin/sm_em. Setting state to FAILED

MSG-PMON-00012: Cannot restart /ddr/bin/sm_em. Setting state to FAILED

Data Domain: USB fresh install on 6300, 6800, 9300, 9500, 9800 Data Domain systems

Data Domain: USB fresh install on 6300, 6800, 9300, 9500, 9800 Data Domain systems

Data Domain SNMP server may fail to return queries to client

SNMP (Simple Network Management Protocol) is based on the stateless UDP protocol. It is an extremely simple and fast way for a SNMP client to query a SNMP server for information (and depending on configuration, to also set changes remotely), by identifying the item of data to be queried or set by a known OID (Object ID).


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