Avamar: Exchange VSS Plugin (Performance Resolution Path)

This Performance Resolution Path for the Avamar Exchange VSS Plugin aims to assist Avamar backup administrators or support engineers during the performance troubleshooting steps.

This KB article should be followed only after having reviewed Avamar: Exchange VSS Plugin - (Main Resolution Path)

In this document, links to a number of Exchange Plugin articles can be found however, additional articles do exist on the Dell Support Website. It is recommended that this site be used to search for additional resources if a viable solution cannot be found from the articles listed below.

Exchange Plugin Performance article:

• Avamar: Exchange Plugin - Why the backup change ratio jumps from 0.5% to over 20% in one day if we failover the DB in a DAG cluster (000064503)

Avamar Generic Clients Performance articles:

• Avamar: Information to gather when investigating client slow backup performance issues (000013957)
• Avamar: How to interpret avtar backup log status lines (000062852)
• Avamar: Troubleshooting slow backup performance (000062866)
• Avamar: Client: What has to change before avtar considers a file to have been modified? (000013933)
• Avamar: How to identify which files took a long time to be processed during a backup (000164809)
• Avamar: How to use the client logs to identify which files are new or changed since the previous backup (000021231)
• Avamar: Client performance and Windows NTFS compression (000038514)