ZMC Monitor Events page provides information about all events on the backup server. This includes backup and restoration.

ZMC log files are stored in /var/log/amanda. The zm-support tool can access these and send them to Zmanda Technical Support to assist troubleshooting. All events related to backup are presented in a tabular form, and can be sorted by any column by clicking on the header. Restore messages are not logged.
The table columns are:
Timestamp
ZMC log files are stored in /var/log/amanda. The zm-support tool can access these and send them to Zmanda Technical Support to assist troubleshooting. All events related to backup are presented in a tabular form, and can be sorted by any column by clicking on the header. Restore messages are not logged.
ZMC works with the Linux logrotate utility to prune active logs. If desired, use crontab to set up log rotation.
Here is an example crontab entry:
0 1 * * 1,5 logrotate /etc/logrotate.d/zmc_logrotate (For 1 AM on Monday and Friday of each week)