Descriptions of Services

The following table describes all of the services required by the different CommCell components.

CommCell Components	Service Group in the Commvault Process Manager	Service Name	Windows Task Manager Processes	Log File Names	Description
CommServe server, and Client	Base Services	Commvault Communications Service (GxCVD)	CVD.exe Note This process acts as a data writer only while running on a MediaAgent.	CVD.log CVPerfMgr.log	Provides the ability to fetch or save metadata on the CommServe server when backup or restore are in progress. Communicates with the SMTP server if an email server is configured.
CommServe server, MediaAgent and Client	Base Services	Commvault Network Daemon (GxFWD)	Cvfwd.exe	Cvfwd.log	Responsible for tunneling Commvault connections across firewalls.
Domino Mailbox Archiver, File System Agent, File Share Archiver Client, Virtual Server Agent, Web Server	Base Services	Commvault Client Manager Service (GxClMgrS)	ClMgrS.exe	ClMgrS.log	Responsible for running and controlling recall jobs and failover operations on clusters. Uses SSL certificate to authenticate connections with clients. For Virtual Server Agents, the service tracks Hyper-V block changes.
Client Only	Search Engine	Commvault Search Engine (GxSearchServer)	GxSearchServer		Forwards events generated on the local machine to the CommServe server and Web Server. In addition it helps to content index, search and preview the data.
Client Only	Compliance Search	Commvault Tomcat Service (GxTomcat)	tomcat.exe		Responsible for communicating with Web Server services and receiving the events from Web Server.
CommServe server Only	CommServe Services	Commvault Server Event Manager (GxEvMgrS)	EvMgrS.exe	CS_CVMMInst.log EvMgrS.log WorkQueue.log	Responsible for communicating with the CommCell Console and receives the events from the Clients and/or MediaAgents. Communicates with the SMTP server if an email server is configured.
CommServe server, Client computer	CommServe Services	Commvault Application Manager (GxApM)	AppMgrSvc.exe	AppMgrService.log	Provides access to server and client configurations for local and remote processes. This service is essential for the CommServe server. You can configure a client to run this process for a computer group to offload the service from the CommServe server.
CommServe server Only	CommServe Services	Commvault Job Manager (GxJobMgr)	JobMgr.exe	JobManager.log	Responsible for running and controlling jobs and also communicate with the available resources.
CommServe server Only	CommServe Services	Commvault Media & Library Manager (GXMLM)	MediaManager.exe	ArchMgr.log DBTblStats.log MediaManager.log MediaManagerPrune.log	Responsible for controlling the hardware devices that are part of a CommCell.
CommServe server Only	CommServe Services	Commvault Commands Manager (GxQSDK)	QSDK.exe	QSDK.log	Responsible for servicing command line requests and is therefore essential for command line operations.
MediaAgent Only	MediaAgent Services	Commvault Media Mount Manager (GXMMM)	CVMountd.exe	CVMA.log IndexCacheServer.log	Responsible for interacting with the hardware devices that are attached to the local host and are part of the CommCell.
MediaAgent Only	MediaAgent Services	Commvault Content Extractor (CVContentPreview)	CVContentPreview.exe		Responsible for generating previews of data that was backed up.
Web Console and Command Center	Message Queue	Commvault Messaging Queue (CVMessageQueue)	CVMessageQueue.exe	MessageQueue.log	Responsible for the push notifications for jobs, events, and alerts. Note See Configuring Access to the Commvault Messaging Queue Using a Port-Forwarding Gateway
File System Agent	Commvault Client Manager Service	Commvault Client Manager Service (GXClMgrS)	ClMgrS.exe	ClMgrS.log	Responsible for archiving or recovering the files.
ContinuousDataReplicator Agents	CDR Services	Commvault Replication Service	CVReplication.exe		Installed on Clients with ContinuousDataReplicator. Responsible for replicating data from one client computer to another client computer.
VSS Provider Agents	VSS Provider Service	Commvault VSS Provider Service (GxVssProv)	VSS_SWProv_Svc.exe VSS_HWPROV.SCV.exe	VssSwProvider.log	Makes use of the Volume Shadow Service feature of the Windows operating system.
Workflow	Workflow	Commvault Workflow Engine (CVJavaWorkflow)	CVJavaWorkflow(Instance001).exe	Workflow.log	Responsible for the Workflow engine. Communicates with the SMTP server if an email server is configured.
Web Console	Web Console	Commvault Tomcat Service (GxTomcatInstance)	Tomcat.exe	WebConsole.log	Responsible for the Apache Tomcat server.
Client only (non-CommServe virtual machines)	Not managed by the Process Manager. Cluster Administrator must be used to control this service.	Commvault Cluster Plugin (GxClusPlugin)	GxWinClusterPlugin.exe	GxClusterPlugin.log	Provides notification regarding whether or not the cluster group goes into an active or passive state. This service is essential for system functionality.
Web Server computer	Web Server	Commvault MongoDB Service(GxMongo)	mongod.exe	mongodb.log	Responsible for storing data that you can access quickly for REST API and notification modules. For more information, see KB article SEC0012.

On-demand Processes on a MediaAgent

Process Name	Log File Names	Description
CVJobRepliatorODS.exe	CVJobReplicatorODS.log	Responsible for reading source data during auxiliary copy operation and streaming the data to destination MediaAgent.
AuxCopy.exe	AuxCopy.log	Responsible for reading source data during auxiliary copy operation and streaming the data to destination MediaAgent.
CVODS.exe		This is an on-demand process that runs on MediaAgents and other clients. Responsible to run services on demand to perform a specific operation, and then goes down after an idle timeout. The CVODS process runs many services (such as CVJobReplicatorODS.exe and AuxCopy.exe) that include the following: IndexServer CVODS: Responsible for creating and maintaining index on the MediaAgent LogManager CVODS : Responsible for managing the index logs created during any backup job.

Process Name

Log File Names

Description

CVJobRepliatorODS.exe

CVJobReplicatorODS.log

Responsible for reading source data during auxiliary copy operation and streaming the data to destination MediaAgent.

AuxCopy.exe

AuxCopy.log

Responsible for reading source data during auxiliary copy operation and streaming the data to destination MediaAgent.

CVODS.exe

This is an on-demand process that runs on MediaAgents and other clients. Responsible to run services on demand to perform a specific operation, and then goes down after an idle timeout.

The CVODS process runs many services (such as CVJobReplicatorODS.exe and AuxCopy.exe) that include the following:

IndexServer CVODS: Responsible for creating and maintaining index on the MediaAgent
LogManager CVODS : Responsible for managing the index logs created during any backup job.

Services Applicable Only to UNIX

CommCell Components	Service Group	Service name	Log File Name	Description
MediaAgent and Client	Base Services	cvlaunchd	cvlaunchd.log	Responsible for spawning Commvault processes.