Avamar: VM Image backup functionality - Available settings for the MCS "proxy_selection_algorithm" parameter

Summary: This article explains the different parameters available for the MCS proxy selection algorithm for VM Image backups.

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Instructions

The proxy_selection_algorithm parameter is configured through /usr/local/avamar/var/mc/server_data/prefs/mcserver.xml.

It has three values:

hot_add_preferred
  • MCS prefers and selects proxies based on hot-add capabilities. If none are found, MCS falls back to using proxies without hot-add capabilities. This is the default setting.
 
hot_add_only
  • MCS uses ONLY proxies based on hot-add capabilities. If none are found, MCS pauses the backup or restore operation and waits for a hot-add capable proxy to become available.
 
ignore_associated_datastores
  • This setting causes known proxy datastore associations to be ignored during the selection process. This allows MCS to select from a larger pool of available proxies. Like the hot_add_preferred setting, proxies with hot-add capabilities are preferred over proxies without hot-add capabilities. But, if no hot-add capable proxies are found, MCS falls back to using proxies without hot-add capabilities.

Affected Products

Avamar

Products

Avamar, Avamar Client for VMware
Article Properties
Article Number: 000019203
Article Type: How To
Last Modified: 06 Mar 2025
Version:  4
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