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Seagate Cheetah NS 10K Cheetah NS 10K.2 SAS Product Manual - Page 46

Command name, Command code, Supported

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Page 46 highlights

Table 17: Commands supported by Cheetah® NS 10K.2 SAS family drives (continued) Command name Reassign Blocks Receive Diagnostic Results Supported Diagnostics pages (00h) Translate page (40h) Release Release (10) Request Sense Actual Retry Count bytes Extended Sense Field Pointer bytes Reserve 3rd Party Reserve Extent Reservation Reserve (10) 3rd Party Reserve Extent Reservation Rezero Unit Search Data Equal Search Data High Search Data Low Seek Seek Extended Send Diagnostics Supported Diagnostics pages (00h) Translate page (40h) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit Ready Verify BYTCHK bit Write Write and Verify DPO bit Write Buffer (modes 0, 2, supported) Firmware Download option (modes 5, 7, Ah and Bh supported) [3] Write Extended DPO bit Command code 07h 1Ch 17h 57h 03h 16h 56h 01h 31h 30h 32h 0Bh 2Bh 1Dh 33h 1Bh 35h 00h 2Fh 0Ah 2Eh 3Bh 2Ah Supported Y Y Y Y Y Y Y Y Y Y Y Y N Y Y N Y N N N Y Y Y Y Y N Y Y Y Y Y Y Y Y Y Y Y Y 42 Cheetah NS 10K.2 SAS Product Manual, Rev. F

Section	Page
1.0 Seagate Technology support services	5
2.0 Scope	6
3.0 Standards, compliance and reference documents	7
3.1 Standards	7
3.1.1 Electromagnetic compatibility	7
3.2 Compliance	8
3.2.1 Electromagnetic compliance	8
3.3 Reference documents	9
4.0 General description	10
4.1 Standard features	11
4.2 Media description	11
4.3 Performance	11
4.4 Reliability	11
4.5 Formatted capacities	12
4.6 Programmable drive capacity	12
4.7 Factory-installed options	12
5.0 Performance characteristics	13
5.1 Internal drive characteristics	13
5.2 Seek performance	13
5.2.1 Access time	13
5.2.2 Format command execution time (minutes)	14
5.2.3 General performance characteristics	14
5.3 Start/stop time	14
5.4 Prefetch/multi-segmented cache control	15
5.5 Cache operation	15
5.5.1 Caching write data	15
5.5.2 Prefetch operation	16
6.0 Reliability specifications	17
6.1 Error rates	17
6.1.1 Recoverable Errors	17
6.1.2 Unrecoverable Errors	17
6.1.3 Seek errors	17
6.1.4 Interface errors	18
6.2 Reliability and service	18
6.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)	18
6.2.2 Preventive maintenance	18
6.2.3 Hot plugging the drive	18
6.2.4 S.M.A.R.T.	19
6.2.5 Reporting control	19
6.2.6 Thermal monitor	20
6.2.7 Drive Self Test (DST)	20
6.2.8 Product warranty	22
7.0 Physical/electrical specifications	24
7.1 AC power requirements	24
7.2 DC power requirements	24
7.2.1 Conducted noise immunity	26
7.2.2 Power sequencing	26
7.2.3 Current profiles	26
7.3 Power dissipation	28
7.4 Environmental limits	29
7.4.1 Temperature	29
7.4.2 Relative humidity	30
7.4.3 Effective altitude (sea level)	30
7.4.4 Shock and vibration	30
7.4.5 Acoustics	32
7.4.6 Air cleanliness	32
7.4.7 Corrosive environment	32
7.4.8 European Union Restriction of Hazardous Substances (RoHS) Directive	33
7.4.9 China Restriction of Hazardous Substances (RoHS) Directive	33
7.4.10 Electromagnetic susceptibility	33
7.5 Mechanical specifications	34
8.0 Defect and error management	35
8.1 Drive internal defects/errors	35
8.2 Drive error recovery procedures	35
8.3 SAS system errors	37
8.4 Background Media Scan	37
8.5 Media Pre-Scan	37
8.6 Deferred Auto-Reallocation	37
8.7 Idle Read After Write	38
9.0 Installation	39
9.1 Drive orientation	39
9.2 Cooling	40
9.3 Drive mounting	41
9.4 Grounding	41
10.0 Interface requirements	42
10.1 SAS features	42
10.1.1 task management functions	42
10.1.2 task management responses	42
10.2 Dual port support	43
10.3 SCSI commands supported	44
10.3.1 Inquiry data	48
10.3.2 Mode Sense data	48
10.4 Miscellaneous operating features and conditions	52
10.4.1 SAS physical interface	53
10.4.2 Physical characteristics	55
10.4.3 Connector requirements	55
10.4.4 Electrical description	56
10.4.5 Pin descriptions	56
10.4.6 SAS transmitters and receivers	57
10.4.7 Power	57
10.5 Signal characteristics	57
10.5.1 Ready LED Out	57
10.5.2 Differential signals	58
10.6 SAS-2 Specification compliance	67
10.7 Additional information	67
Numerics	69
A	69
B	69
C	69
D	69
E	69
F	70
G	70
H	70
I	70
J	70
L	70
M	70
N	71
O	71
P	71
Q	71
R	71
S	71
T	72
U	72
V	72
W	72