Seagate ST3300007LW Uživatelská příručka stáhnout pdf (Strana 2)

Your Data Is Most Important!

Your data and the security of your data are paramount. CPR Tools recognizes this and has

developed a unique and bold method for ensuring that the security of your data is

maintained from the beginning of the erasure process through the successful end of the

erasure process.

Using SCSI Hammer™, you have two choices when it comes to erasing your data:

1. Normal ‘wiping’ of your data (NIST 800-88 ‘clear’)

2. CPR Tools’ SCSI Secure Erase (NIST 800-88 ‘purge’)

CPR Tools offers these choices of methods so that informed users may select configurations

which apply to their unique circumstances.

CPR Tools recommends using the maximum security possible when eradicating data to

ensure that data remains secure, even if an erasure process is unceremoniously terminated.

The SCSI Hammer™ "Secure Erase" calls upon the firmware of the drive(s) to execute and

monitor the erase procedure. Once this process is initiated on a drive, the user data

storage area becomes unavailable until a successful "Secure Erase" is completed. This

method conforms to NIST 800-88 ‘purge’ criteria using SCSI protocols.

If the drive is unable to complete the SCSI Secure Erase process due to drive errors, the

user storage area will remain unavailable and any remaining data will remain secured. If the

SCSI Secure Erase process is not able to continue, CPR Tools recommends degaussing the

drive, followed by complete drive destruction using a hard drive shredder.

When SCSI Secure Erase completes successfully, your drive has been completely erased

and may be put back into service.

Implementing this method is the only way to ensure that data scheduled for erasure is

completely secured until erasure has completed.

Why NIST?

For many years, the standard for data eradication was the US Department of Defense directive

known as 5220.22-M which defined an overwrite pattern and number of times this pattern would

need to be overwritten to a hard drive to ensure that all data was eradicated. As of the

February 2006 reissuance of this directive, specifics of data eradication are no longer listed,

leaving the Cognizant Security Agency (CSA) responsible for ensuring that erased data is, in

fact, erased. The US Government’s standards setting organization, NIST has defined eradication

standards in their Special Publication 800-88.

The National Institute of Standards and Technology (NIST) was founded in 1901 as a non-

regulatory agency within the US Department of Commerce whose mission is to promote US

innovation and industrial competiveness by advancing measurement science, standards and

technology.

NIST 800-88 has become the de-facto standard for data eradication, defining both ‘clear’ and

‘purge’ criteria, among others.

SCSI Hammer™ Users Guide

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Seagate ST3300007LW Uživatelská příručka Strana 2