5.2.1Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF)

The product shall achieve an AFR of 0.63% (MTBF of 1,400,000 hours) when operated at nominal power and typical case temperatures of 40°C. Operation at temperatures outside the specifications in Section 6.5 may increase the product AFR (decrease MTBF). AFR and MTBF are population statistics that are not relevant to individual units.

The AFR and MTBF specifications are based on the following assumptions for business critical storage system environments:

8760 power-on hours per year.

Operations at nominal voltages

Temperatures outside the specifications in Section 6.5 may reduce the product reliability.

A workload rate below the average annualized specified limits. Operation at excessive I/O duty cycle may degrade product reliability.

The enterprise application nearline environment of power-on-hours, temperature, and I/O duty cycle affect the product AFR and MTBF.

Nonrecoverable read errors

1 per 1015 bits read, max

Annualized Failure Rate (AFR)

0.63% (nominal power, 40°C case temperature)

 

 

Load unload cycles

600,000 cycles

 

 

Rated Workload

Average rate of <550TB/year

 

The MTBF specification for the drive assumes the I/O workload does not exceed the

 

Average Annualized Workload Rate Limit of <550TB/year. Workloads exceeding the

 

annualized rate may degrade the drive MTBF and impact product reliability. The Aver-

 

age Annualized Workload Rate Limit is in units of TB per year, or TB per 8760 power

 

on hours. Workload Rate Limit = TB transferred * ( 8760 / recorded power on hours).

 

 

Warranty

To determine the warranty for a specific drive, use a web browser to access the

 

following web page: http://www.seagate.com/support/warranty-and-returns/

 

From this page, click on the "Verify Your Warranty" link. You will be asked to provide

 

the drive serial number, model number (or part number) and country of purchase.The

 

system will display the warranty information for your drive.

Preventive maintenance

None required.

 

 

5.2.2Hot plugging the drive

When a disk is powered on by switching the power or hot plugged, the drive runs a self test before attempting to communicate on its’ interfaces. When the self test completes successfully, the drive initiates a Link Reset starting with OOB. An attached device should respond to the link reset. If the link reset attempt fails, or any time the drive looses sync, the drive initiated link reset. The drive will initiate link reset once per second but alternates between port A and B. Therefore each port will attempt a link reset once per 2 seconds assuming both ports are out of sync.

If the self-test fails, the drive does not respond to link reset on the failing port.

It is the responsibility of the systems integrator to assure that no temperature, energy, voltage hazard, or ESD potential hazard is presented during the hot connect/disconnect operation. Discharge the static electricity from the drive carrier prior to inserting it into the system.

CAUTION

The drive motor must come to a complete stop prior to changing the plane of operation. This time is required to insure data integrity.

5.2.3S.M.A.R.T.

S.M.A.R.T. is an acronym for Self-Monitoring Analysis and Reporting Technology. This technology is intended to recognize conditions that indicate imminent drive failure and is designed to provide sufficient warning of a failure to allow you to back up the data before an actual failure occurs.

.

NOTE

The drive’s firmware monitors specific attributes for degradation

over time but can’t predict instantaneous drive failures.

Each monitored attribute has been selected to monitor a specific set of failure conditions in the operating performance of the drive and the thresholds are optimized to minimize “false” and “failed” predictions.

CONSTELLATION ES.3 SAS PRODUCT MANUAL, REV. B

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Seagate ST1000NM0033 manual Hot plugging the drive, 3 S.M.A.R.T

ST1000NM0033 specifications

The Seagate ST1000NM0033 is a high-performance hard disk drive (HDD) designed specifically for enterprise applications. With a storage capacity of 1TB, it offers a balance of performance, reliability, and efficiency, making it suitable for data centers, cloud storage, and server environments. Built with Seagate's robust engineering, the ST1000NM0033 is ideal for handling heavy workloads and intensive data processes.

One of the standout features of this HDD is its rotational speed of 7200 RPM. This speed allows for quick data access and fast read/write operations, which is essential for data-intensive applications. The drive is equipped with 64MB of cache, further enhancing its efficiency by speeding up data retrieval for frequently accessed files.

Another key characteristic of the ST1000NM0033 is its SATA interface, which typically facilitates high-bandwidth data transfer rates. With a sustained data transfer rate of up to 160 MB/s, it ensures that large files, such as videos and databases, can be transferred swiftly, minimizing downtime and improving overall system performance.

The drive's durability is backed by Seagate’s Advanced Format technology, which enhances the format compatibility, storage efficiency, and reliability of the drive through improved error correction. With a mean time between failures (MTBF) rating of 1 million hours, users can trust the STA0033 to provide exceptional longevity and stability, critical in enterprise environments where data integrity is paramount.

Furthermore, the ST1000NM0033 supports various workload types due to its design optimized for multi-user environments. The drive can handle up to 180TB/year workload rate, making it capable of supporting applications with high data demand.

Environmentally, Seagate ensures that this model is energy efficient, contributing to reduced power consumption in enterprise settings. The drive operates effectively within a specified temperature range, ensuring that it remains operational under different environmental conditions.

In summary, the Seagate ST1000NM0033 is an excellent choice for businesses seeking a reliable, high-capacity HDD with robust performance features. Its combination of speed, efficiency, durability, and capacity positions it as a strong contender in the enterprise storage solutions market. With its extensive feature set, it continues to cater to the demanding needs of modern data centers and enterprise applications.