Data errors can go unnoticed, undetected by the host operating system or disk firmware; these errors are known as silent data corruption. With the advent of larger drives and very fast RAID setups, Silent Data Corruption is becoming of increasing concern in the industry. Bacula Enterprise Edition’s VerifyDataTM directly addresses this issue. In a wider sense, it can be used to increase operational security of your IT environment using its advanced and integrated Intrusion Detection technologies. VerifyDataTM even provides ways to verify the reliability of existing backed up data.
VerifyData is able to efficiently and effectively check data and provide a report on data status.
These checks are able to address two different areas:
Regularly running test restores and comparing the files against their originals is a procedure recommended by Bacula Systems to ensure proper operation of your backup environment. VerifyData should only be used in addition to this approach, not to replace it.