Savvio 10K.2 SAS Product Manual, Rev. E
7
4.1
Standard features
Savvio drives have the following standard features:
• Perpendicular recording technology
• 1.5 / 3Gb Serial Attached SCSI (SAS) interface
• Integrated dual port SAS controller supporting the SCSI protocol
• Support for SAS expanders and fanout adapters
• Firmware downloadable using the SAS interface
• 128 - deep task set (queue)
• Supports up to 32 initiators
• Jumperless configuration.
• User-selectable logical block size (512, 520, or 528 bytes per logical block).
• Industry standard SFF 2.5-inch dimensions
• 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 320 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
• 16MB data buffer (see Section 5.5).
• Drive Self Test (DST)
• Background Media Scan (BGMS)
• Idle Read After Write (IRAW)
• 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
• Programmable multi-segmentable cache buffer
• 300MB/s maximum instantaneous data transfers.
• 10k RPM spindle. Average latency = 3.0ms
• Background processing of queue
• Supports start and stop commands (spindle stops spinning)
• Adaptive seek velocity; improved seek performance
Summary of Contents for ST900MM0036
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