Seagate 15K.4 - Cheetah - Hard Drive Support and Manuals
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Cheetah 15K.4 FC Product Manual - Page 20
... Channel interface. Jumpers are set on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers • Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector...
Cheetah 15K.4 FC Product Manual - Page 26
... operation, the drive crosses a cylinder boundary to fetch more data only if Mode parameters page 08h, byte 2, bit 4 is prefetched replaces data already in the buffer is cached for read cache hits. If an error occurs while writing the data to 1 (Discontinuity--DISC bit). DRA bit = 0 enables prefetch.
If the host is set to the...
Cheetah 15K.4 FC Product Manual - Page 27
... the value defined in the Fibre Channel Interface Product Manual, part number 77767496. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of these needs.
In this case, the ability of the cache to "look ahead" to provide a single configuration that meets both of segmentation. Cheetah 15K.4 FC Product Manual, Rev.
Cheetah 15K.4 FC Product Manual - Page 29
...as defined in 1014 bits transferred with minimum receive eye. Cheetah 15K.4 FC Product Manual, Rev.
5.0 Reliability specifications
The following : • The drive is not considered for recoverable errors occurring during a read retries, full write retries and full retry time.
5.1.1
Recoverable Errors
Recovereable errors are those detected and corrected by host system failures are...
Cheetah 15K.4 FC Product Manual - Page 31
... host to save the data by using the Rezero Unit command. Forcing S.M.A.R.T.
If the bypass circuit is present, the next device in two hours. FC error detection mechanisms, character sync, running . Cheetah 15K.4 FC Product Manual, Rev. The disc drive defaults to a different input signal. Note.
The operating mode of the FC interface runs. resets the timer...
Cheetah 15K.4 FC Product Manual - Page 32
... is to set threshold. uses to be acceptable. Predictive failures
S.M.A.R.T. There is measured at power-up .
20
Cheetah 15K.4 FC Product Manual, Rev. The temperature is a separate Failure History Counter for the number of errors exceeds the threshold before the interval expires, the error rate is considered to record rates of errors per operation. The drive measures and...
Cheetah 15K.4 FC Product Manual - Page 35
... under normal use only a Seagate-approved container. The drive will be repaired or replaced, at Seagate's option and at no errors detected by an air-ride carrier experienced in the Self-test Results Log page. All other abort mechanisms will be deleted. The new entry is set to zero, the test failed for Seagate products on your purchase contract...
Cheetah 15K.4 FC Product Manual - Page 53
... defects prior to being put into service by setting the Recovery Time Limit field to 00 01.
7.3
FC-AL system errors
Information on control of 0 will result in the drive not performing error recovery. A setting of the media while the drive is described in the Fibre Channel Interface Manual.
Minimum recovery time limit is set to the host about numerous...
Cheetah 15K.4 FC Product Manual - Page 57
..., or other forced airflow patterns are met. Air flow
Above unit Under unit
Cheetah 15K.4 FC Product Manual, Rev. 8.2.1
J6 connector requirements
Recommended mating connector part number: Berg receptacle, 6-position, Berg part number 690-006.
8.3
Drive orientation
The drive may be mounted in any orientation. All drive performance characterizations, however, have been done with the...
Cheetah 15K.4 FC Product Manual - Page 60
... FCP) task management functions supported.
Table 6: FC SCSI FCP response codes
Function name Function complete Function not supported Function reject
Response code 00 04 05
48
Cheetah 15K.4 FC Product Manual, Rev. Table 5: Fibre Channel SCSI FCP task management functions
Task name Terminate task Clear ACA Target reset Clear task set Abort task set
Supported No Yes Yes Yes Yes...
Cheetah 15K.4 FC Product Manual - Page 70
...** 02 = SCSI-2 implemented with unique default values also.
58
Cheetah 15K.4 FC Product Manual, Rev. The drive maintains four sets of drive.
Default values
Default values are stored on the drive's PCB.
PP 50 = Inquiry data for an Inquiry command received on Port A.
70 = Inquiry data for Model ST3146854FC. On drives requiring unique saved values, the required unique saved values...
Cheetah 15K.4 FC Product Manual - Page 88
...Saturday (Eastern time).
76
Cheetah 15K.4 FC Product Manual, Rev. Seagate distributors, OEMs and other direct customers should contact their Seagate Customer Service Operations (CSO) representative for all formats and all brands of operation are currently located in North America. Have your drive's "ST" model number and serial number available. Authorized Service Centers In some locations...
Cheetah 15K.4 FC Product Manual - Page 89
...from 8:00 A.M. Cheetah 15K.4 FC Product Manual, Rev. C
77 to 11:45 A.M. For European warranty service, dial the toll-free number for your specific location. Seagate Service Centers
Toll-free support numbers
Call center Austria Belgium Denmark France Germany Ireland Italy Netherlands Norway Poland Spain Sweden Switzerland Turkey United Kingdom
Presales and Technical Support - 00 800-47324283...
Cheetah 15K.4 FC Product Manual - Page 95
... 63
Intermix 49, 52
internal data rate 11 internal defects/errors 39 internal drive characteristics 11
J
J1 connector 43
J6 connector 44, 45
Jumper settings page command 54 jumpers 43
L
latency
average rotational 11, 12
LBdata 56 LED driver signals 72 Link Service Reject (LS_RJT) 47 link services supported 47 Lock-unlock-cache command 56 Log select command 56...
Cheetah 15K.4 FC Product Manual - Page 97
... 9
specifications 17 reliability and service 18 repair and return information 24 reporting actual retry count 63 Request sense command 54 reservation conflict status 63 Reserve command 54 Reserved (10) command 57 resonance 33 return information 24 Rezero unit command 54 Rigid disc drive geometry page
command 54 rotation speed 11 running disparity 19
S
safety 3 SCA part...
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