Seagate Cheetah NS 10K Cheetah NS 10K.2 SAS Product Manual - Page 11

Standard features, Media description, Performance, Reliability - cheetah 10k 7 firmware

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4.1 Standard features Cheetah NS SAS drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller • Support for SAS expanders and fanout adapters • Downloadable firmware using the SAS interface • 128 - deep task set (queue) • Supports up to 32 initiators • Jumperless configuration. • User-selectable logical block size (512, 520, 524, or 528 bytes per logical block) • Programmable logical block reallocation scheme • Flawed logical block reallocation at format time • Programmable auto write and read reallocation • Reallocation of defects on command (Post Format) • ECC maximum burst correction length of 400 bits • No preventive maintenance or adjustments required • Dedicated head landing zone • Embedded servo design • Automatic shipping lock • Self diagnostics performed when power is applied to the drive • Zone bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 16 MB data buffer (see Section 5.5). • Drive Self Test (DST) • Background Media Scan (BGMS) • Power Save 4.2 Media description The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection. 4.3 Performance • Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system performance. • 600 MB/sec maximum instantaneous data transfers. • 10K RPM spindle. Average latency = 2.98 ms • Command queuing of up to 128 commands • Background processing of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance 4.4 Reliability • Annualized Failure Rate (AFR) of 0.55% • Mean Time Between Failures (MTBF) of 1,600,000 hours • Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty Cheetah NS 10K.2 SAS Product Manual, Rev. F 7

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Cheetah NS 10K.2 SAS Product Manual, Rev. F
7
4.1
Standard features
Cheetah NS SAS drives have the following standard features:
•
Perpendicular recording technology
•
1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface
•
Integrated dual port SAS controller
•
Support for SAS expanders and fanout adapters
•
Downloadable firmware using the SAS interface
•
128 - deep task set (queue)
•
Supports up to 32 initiators
•
Jumperless configuration.
•
User-selectable logical block size (512, 520, 524, or 528 bytes per logical block)
•
Programmable logical block reallocation scheme
•
Flawed logical block reallocation at format time
•
Programmable auto write and read reallocation
•
Reallocation of defects on command (Post Format)
•
ECC maximum burst correction length of 400 bits
•
No preventive maintenance or adjustments required
•
Dedicated head landing zone
•
Embedded servo design
•
Automatic shipping lock
•
Self diagnostics performed when power is applied to the drive
•
Zone bit recording (ZBR)
•
Vertical, horizontal, or top down mounting
•
Dynamic spindle brake
•
16 MB data buffer (see Section 5.5).
•
Drive Self Test (DST)
•
Background Media Scan (BGMS)
•
Power Save
4.2
Media description
The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated
with a proprietary protective layer for improved durability and environmental protection.
4.3
Performance
•
Firmware-controlled multisegmented cache designed to dynamically adjust segments for enhanced system
performance.
•
600 MB/sec maximum instantaneous data transfers.
•
10K RPM spindle. Average latency = 2.98 ms
•
Command queuing of up to
128 commands
•
Background processing of queue
•
Supports start and stop commands (spindle stops spinning)
•
Adaptive seek velocity; improved seek performance
4.4
Reliability
•
Annualized Failure Rate (AFR) of 0.55%
•
Mean Time Between Failures (MTBF) of 1,600,000 hours
•
Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)
•
5-year warranty