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AMASS Overview
1-8 Online Archiving with AMASS 6-00026-01 Rev A
Automated Backups
via Cron Job
Because the File System Database is extremely important, this
information must be protected. Consequently, the
amassbackup command, run from a cron job, regularly backs
up both the Database and the Journal. The Journal is a
transaction log of daily activity. This cron job is created when
AMASS is installed. The cron job backs up the Database and
Journal to a Backup Volume at 3 a.m. using the following
schedule:
• First day of the month—Full Backup
• All other days—Partial Backup
After the backup completes, AMASS truncates the Journal
file.
If the above schedule is not suitable for your site, modify the
schedule by editing the crontab and changing the
amassbackup entries. For detailed information on making a
Backup Volume and editing the cron job, refer to Managing the
AMASS File System.
The full backup (backs up the Database and Journal) and the
partial backups (backs up just the Journal) will allow you to
successfully restore your File System Database (and, therefore,
allow you to know where data is located on what piece of
media) if your current File System Database gets corrupted or
the hard disk crashes.
Caution
Make sure these backups are successful. Look in the system log
every day for a “Backup was successful” message.