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Dell EMC Avamar for Windows Servers 19.7 User Guide

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Avamar log files

Avamar log files capture Avamar, VSS, and service events and are available in the var directory, which is typically C:\Program Files\avs\var. The following table describes each log file.

Table 1. Avamar log files
Log file Description Command file Debugging flags
avagent.log Avamar agent log avagent.cmd --debug

MOD-timestamp-3001-Windows.log

MOD-1379109227779-3001-Windows.log

Contains information about the Windows File System plug-in backup.

  • On demand backups run from Avamar Administrator are prefixed with MOD.
  • Command line backups are prefixed with COD.
  • Scheduled backups are prefixed with the group name.
  • 3001-Windows at the end of the file name identifies it as a Windows VSS plug-in log file.
avtar.cmd

--debug

--verbose

COD-timestamp-3015-VSS.log

MOD-timestamp-3015-VSS.log

group-timestamp-3015-VSS.log

Contains information about the Windows VSS plug-in backup.

  • On demand backups run from Avamar Administrator are prefixed with MOD.
  • Command line backups are prefixed with COD.
  • Scheduled backups are prefixed with the group name.
  • 3015-VSS at the end of the file name identifies it as a Windows VSS plug-in log file.
avvss.cmd

--debug

--verbose

COD-group-3036-winclusterfs.log

MOD-group-3036-winclusterfs.log

group-group-3036-winclusterfs.log

Contains information about the Windows Cluster File Server backup.

  • On demand backups run from Avamar Administrator are prefixed with MOD.
  • Command line backups are prefixed with COD.
  • Scheduled backups are prefixed with the group name.
  • 3036-winclusterfs at the end of the file name identifies it as a Windows Cluster File Server plug-in log file.

avwinclusterfs.cmd

avtar.cmd

--debug

--verbose

WinPEWizard.log Contains information about the pages loaded or displayed by the wizard. None
avvss.log Contains information about BMR operations. avvss.cmd

--debug

--verbose

winpe_av_support.log Contains information about Avamar-related data displayed in the wizard. For example, the list of BMR backups. None
winpe_os_support.log Contains information about the WinPE environment. For example, NIC settings, available disks, or registry values. None

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