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Recommended Links

Monitoring tools working with smartmontools


Other open source hard disk monitoring projects


Studies / Background on reliability

Vendor disk failure rates: Myth or metric?, Mary Brandel in Computerworld, April 2008.
Hard Disk Drives: The Good, The Bad and The Ugly, Jon Elerath (Network Appliance) in ACM Queue vol 5, no 6, pg 28-37, September 2007.

  • From the USENIX FAST Conferences

Are Disks the Dominant Contributor for Storage Failures? A Comprehensive Study of Storage Subsystem Failure Characteristics, Weihang Jiang, Chongfeng Hu, Yuanyuan Zhou, Arkady Kanevsky in 6th USENIX Conference on File and Storage Technologies (FAST '08), pg 111-125, February 2008.

Disk Failures in the Real World: What does an MTTF of 1,000,000 hours mean to you?, Bianca Schroeder, Garth A. Gibson (Carnegie Mellon University) in 5th USENIX Conference on File and Storage Technologies (FAST '07), pg 1-16, February 2007.

Failure Trends in a Large Disk Drive Population, Eduardo Pinheiro, Wolf-Dietrich Weber, Luiz André Barroso (Google Inc.) in 5th USENIX Conference on File and Storage Technologies (FAST '07), pg 17-28, February 2007.

Specifying Reliability in the Disk Drive Industry: No More MTBF's, Jon G. Elerath (IBM Storage Systems Division)
in Proceedings of the IEEE 2000 Annual Reliability and Maintainability Symposium, pg 194, 0-7803-5848-1/00/$10.00.

  • From the Seagate Corporation

Enhanced SMART - Get SMART For Reliability
Playing it SMART ( HTML Version )
Enhanced Drive Self-Test

Bayesian Approaches to Failure Prediction for Disk Drives
Improved Disk-Drive Failure Warnings

Useful references on SMART and the ATA/ATAPI standards

Zbigniew Chlondowski's SMART Information Site.
This includes a useful list of Attributes and their meanings.

The homepage of the T13 project.
The ATA-3 revision 7b (working draft) (last specification of SMART Attributes and Thresholds, removed before final standard was published!)
The ATA/ATAPI-4 revision 18 (final draft) (SMART Attributes and Thresholds no longer specified)
The ATA/ATAPI-5 revision 3 (final draft) (start with Section 8.41)
The ATA/ATAPI-6 revision 3b (final draft)
The ATA/ATAPI-7 revision 4b (final draft) Volume 1 (has SMART documentation), Volume 2, Volume 3
The ATA/ATAPI-8 Command Set (ACS) revision 6a (final draft)
The ATA/ATAPI-8 SMART Attribute Annex (proposal) (later split into 3 parts: Overview, Assignment, List, not included in the standard!)
The ATA/ATAPI Command Set - 2 (ACS-2) revision 0 (working draft)
See also other subdirectories here.

SCSI References

The homepage of the T10 project.
The SCSI-2 draft by the T10 project.
See also other subdirectories here.

The original SMART specification is SFF-8035i from the Small Form Factors (SFF) Committee

Here is the SFF "link" (they have "expired" the document).
Version 1.0 of SFF-8035i "Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.)"
Revision 2.0 of SFF-8035i "Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.)"
Revision 1.4 of SFF-8055i "S.M.A.R.T. Applications Guide for the ATA and SCSI Interfaces"