50,000
systems
20,000
systems
10,000
systems
5,000
systems
2,000
systems
1,000
systems
Per system per year
Database size (GB)
Total
audits
Frequency
5,4692,1881,0945472191098020 quarterly
820328164823316121 monthly
1,6416563281646633242 monthly
4,1021,64182041016482605 monthly
8,2033,2811,64182032816412010 monthly
16,0466,5633,2811,64165632824020 monthly
3,5551,42271135514271521 weekly
7,1092,8441,4227112841421042 weekly
17,7737,1093,5551,7777113552605 weekly
35,54714,2197,1093,5551,42271152010 weekly
71,09428,43814,2197,1092,8441,422104020 weekly
24,9519,9804,9902,4959984993651 daily
49,90219,9619,9804,9901,9969987302 daily
Calculating database storage requirements
A corporation follows this policy for running audits:
• The company retains audit results for one year.
• One audit runs every three days on 2,000 systems. The table does not include this value,
so we approximate this to two audits per week running on 2,000 systems.
• Five monthly audits run on 5,000 systems.
• One yearly audit runs on 150,000 systems. The table does not include this value, but it is
equivalent to three yearly audits on 50,000 systems.
• Two quarterly audits run on 10,000 systems.
Calculate the approximate database size:
1 Look up the corresponding values in the table under Requirements table for database
sizing, and note these results:
Database size (GB)=...running on number of systemsAudit frequency...
2842,000 systems2 weekly audits
4105,000 systems5 monthly audits
20450,000 systems (3 × 68 = 204)3 yearly audits
10910,000 systems2 quarterly audits
2 Calculate the total amount of space needed:
284 + 410 + 204 + 109 = 1,007 GB
Database storage requirements for File Integrity Monitoring
File Integrity Monitoring (FIM) allows you to designate a set of files to monitor for changes.
McAfee Policy Auditor software monitors the MD5 and SHA-1 hashes of a file as well as the
file attributes and permissions information. When a file changes, the McAfee Policy Auditor
agent plug-in notes the change and sends an event back to the server.
Pre-Installation Tasks
Database considerations and support
McAfee Policy Auditor 6.0.0 Installation Guide16
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