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Seagate ST400FX0002 Pulsar XT.2 SAS Product Manual - Page 49

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10.0 Installation Pulsar XT.2 drive installation is a plug-and-play process. There are no jumpers on the drive. SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays designed to accommodate the drive. In such systems, the host system typically provides a carrier or tray into which the drive must be mounted. Mount the drive to the carrier or tray provided by the host system using four M3 x 0.5 metric screws. When tightening the screws, use a maximum torque of 4.5 in-lb +/- 0.45 in-lb. Do not over-tighten or force the screws. The drive can be mounted in any orientation. Note. SAS drives are designed to be attached to the host system without I/O or power cables. If the intent is to use the drive in a non-backplane host system, connecting the drive using high-quality cables is acceptable as long as the I/O cable length does not exceed 10 meters (32.8 feet). Slide the carrier or tray into the appropriate bay in the host system using the instructions provided by the host system. This connects the drive directly to the system's SAS connector. The SAS connector is normally located on a SAS backpanel. See Section 11.4.1 for additional information about these connectors. Power is supplied through the SAS connector. The drive is shipped from the factory low-level formatted in 512-byte logical blocks. Reformatting the drive is only required if the application requires a different logical block size. Figure 12. Physical interface 10.1 Drive orientation The drive may be mounted in any orientation. All drive performance characterizations, however, have been done with the drive in horizontal (level) and vertical (drive on its side) orientations, which are the two preferred mounting orientations. Pulsar XT.2 SAS Product Manual, Rev. B 41

Section	Page
1.0 Seagate Technology support services	9
2.0 Scope	10
3.0 Applicable standards and reference documentation	11
3.1 Standards	11
3.1.1 Electromagnetic compatibility	11
3.1.1.1 Electromagnetic susceptibility	11
3.1.2 Electromagnetic compliance	12
3.1.3 European Union Restriction of Hazardous Substances (RoHS)	12
3.1.4 China Restriction of Hazardous Substances (RoHS) Directive	13
3.2 Reference documents	13
4.0 General description	14
4.1 Standard features	14
4.2 Media description	15
4.3 Performance	15
4.4 Reliability	15
4.5 Formatted capacities	16
4.6 Programmable drive capacity	16
4.7 Factory-installed options	16
4.8 Thin Provisioning	17
4.8.1 Logical Block Provisioning	17
4.8.2 Thin Provisioning capabilities	17
4.8.3 UNMAP	17
4.8.4 FORMAT UNIT command	17
4.8.5 Protection Information (PI) and Security (SED)	17
5.0 Performance characteristics	19
5.1 Internal drive characteristics	19
5.2 Performance characteristics	19
5.2.1 Access time	19
5.2.2 FORMAT UNIT command execution time for 512-byte LBA’s (minutes)	20
5.2.3 Performance	20
5.3 Start/stop time	21
5.4 Cache control	21
5.4.1 Caching write data	21
6.0 Reliability specifications	22
6.1 Error rates	22
6.1.1 Unrecoverable Errors	23
6.1.2 Interface errors	23
6.2 Endurance Management	23
6.2.1 Wear Leveling	23
6.2.2 Garbage Collection	23
6.2.3 Write Amplification	23
6.2.4 UNMAP	23
6.2.5 Data Retention	24
6.2.6 Lifetime Endurance Management	24
6.3 Reliability and service	24
6.3.1 Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF)	24
6.3.2 Preventive maintenance	24
6.3.3 Hot plugging the drive	24
6.3.4 S.M.A.R.T.	25
6.3.5 Thermal monitor	26
6.3.6 Drive Self Test (DST)	27
6.3.6.1 DST failure definition	27
6.3.6.2 Implementation	27
6.3.7 Product warranty	29
7.0 Physical/electrical specifications	30
7.1 Power specifications	30
7.1.1 Power consumption	30
7.2 AC power requirements	30
7.3 DC power requirements	31
7.3.1 Conducted noise immunity	34
7.3.2 Power sequencing	34
7.3.3 Current profiles	34
7.4 Power dissipation	36
7.5 Environmental limits	37
7.5.1 Temperature	37
7.5.2 Relative humidity	38
7.5.3 Effective altitude (sea level)	38
7.5.4 Shock and vibration	38
7.5.4.1 Shock	39
7.5.4.2 Vibration	40
7.5.5 Air cleanliness	40
7.5.6 Corrosive environment	40
7.5.7 Electromagnetic susceptibility	40
7.6 Mechanical specifications	41
8.0 About self-encrypting drives	43
8.1 Data encryption	43
8.2 Controlled access	43
8.2.1 Admin SP	43
8.2.2 Locking SP	44
8.2.3 Default password	44
8.3 Random number generator (RNG)	44
8.4 Drive locking	44
8.5 Data bands	44
8.6 Cryptographic erase	45
8.7 Authenticated firmware download	45
8.8 Power requirements	45
8.9 Supported commands	45
8.10 RevertSP	45
9.0 Defect and error management	46
9.1 Drive internal defects/errors	46
9.2 Drive error recovery procedures	47
9.3 SAS system errors	47
9.4 Background Media Scan	47
9.5 Auto-Reallocation	47
9.6 Protection Information (PI)	48
9.6.1 Levels of PI	48
9.6.2 Setting and determining the current Type Level	48
9.6.3 Identifying a Protection Information drive	48
10.0 Installation	49
10.1 Drive orientation	49
10.2 Cooling	50
10.3 Drive mounting	51
10.4 Grounding	51
11.0 Interface requirements	52
11.1 SAS features	52
11.1.1 Task management functions	52
11.1.2 Task management responses	52
11.2 Dual port support	53
11.3 SCSI commands supported	54
11.3.1 INQUIRY data	58
11.3.2 MODE SENSE data	58
11.4 Miscellaneous operating features and conditions	63
11.4.1 SAS physical interface	63
11.4.2 Physical characteristics	66
11.4.3 Connector requirements	66
11.4.4 Electrical description	66
11.4.5 Pin descriptions	66
11.4.6 SAS transmitters and receivers	67
11.4.7 Power	67
11.5 Signal characteristics	67
11.5.1 Ready LED Out	67
11.5.2 Differential signals	68
11.6 SAS-2 Specification compliance	68
11.7 Additional information	68
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

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Pulsar XT.2 SAS Product Manual, Rev. B

10.0

Installation

Pulsar XT.2 drive installation is a plug-and-play process. There are no jumpers on the drive.

SAS drives are designed to be used in a host system that provides a SAS-compatible backplane with bays

designed to accommodate the drive. In such systems, the host system typically provides a carrier or tray into

which the drive must be mounted. Mount the drive to the carrier or tray provided by the host system using four

M3 x 0.5 metric screws. When tightening the screws, use a maximum torque of 4.5 in-lb +/- 0.45 in-lb. Do not

over-tighten or force the screws. The drive can be mounted in any orientation.

Note.

SAS drives are designed to be attached to the host system without I/O or power cables. If the intent

is to use the drive in a non-backplane host system, connecting the drive using high-quality cables is

acceptable as long as the I/O cable length does not exceed 10 meters (32.8 feet).

Slide the carrier or tray into the appropriate bay in the host system using the instructions provided by the host

system. This connects the drive directly to the system’s SAS connector. The SAS connector is normally located

on a SAS backpanel. See Section 11.4.1 for additional information about these connectors.

Power is supplied through the SAS connector.

The drive is shipped from the factory low-level formatted in 512-byte logical blocks. Reformatting the drive is

only required if the application requires a different logical block size.

Figure 12.

Physical interface

10.1

Drive orientation

The drive may be mounted in any orientation. All drive performance characterizations, however, have been

done with the drive in horizontal (level) and vertical (drive on its side) orientations, which are the two preferred

mounting orientations.