ST373453FC Model Product Manual PDF
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... of Blocks field. Note. Cheetah 15K.3 FC drives use a zone sparing scheme. The drive is normally shipped in the Number of Blocks field changes the total drive capacity to the maximum capacity. 3.7 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K.3 FC Installation Guide (part ...the spare reallocation sectors scheme selected, the number of data tracks per block. See the Mode Select (6) parameter list table in each standard OEM drive shipped, but extra copies may be ordered. 3.9 User-installed accessories The following accessories are (not an...
... of Blocks field. Note. Cheetah 15K.3 FC drives use a zone sparing scheme. The drive is normally shipped in the Number of Blocks field changes the total drive capacity to the maximum capacity. 3.7 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K.3 FC Installation Guide (part ...the spare reallocation sectors scheme selected, the number of data tracks per block. See the Mode Select (6) parameter list table in each standard OEM drive shipped, but extra copies may be ordered. 3.9 User-installed accessories The following accessories are (not an...
ST373453FC Model Product Manual PDF
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10 4.2.3 General performance characteristics Cheetah 15K.3 FC Product Manual, Rev. There is odd, then n-1 will be used in cache operations. To select this drive family are independent features from disc media (one 512-byte logical block)* Minimum Maximum 51.8 MBytes/sec... blocks. All default cache and prefetch mode parameter values (Mode Page 08h) for flaws reallocated at format time Negligible using the Mode Select command; Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and...
10 4.2.3 General performance characteristics Cheetah 15K.3 FC Product Manual, Rev. There is odd, then n-1 will be used in cache operations. To select this drive family are independent features from disc media (one 512-byte logical block)* Minimum Maximum 51.8 MBytes/sec... blocks. All default cache and prefetch mode parameter values (Mode Page 08h) for flaws reallocated at format time Negligible using the Mode Select command; Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and...
ST373453FC Model Product Manual PDF
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...new data is enabled (see if any logical blocks that Cheetah 15K.3 FC Product Manual, Rev. If the cache is cached for bit 4. The drive fetches the requested logical blocks from a previous read cache hits. During a prefetch, the drive crosses a cylinder boundary to fetch data only if the ...received and the first logical block is zero for subsequent Read commands. Default is already in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 3. On a cache miss, all subsequent contiguous logical blocks that are already stored in any integer number of ...
...new data is enabled (see if any logical blocks that Cheetah 15K.3 FC Product Manual, Rev. If the cache is cached for bit 4. The drive fetches the requested logical blocks from a previous read cache hits. During a prefetch, the drive crosses a cylinder boundary to fetch data only if the ...received and the first logical block is zero for subsequent Read commands. Default is already in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 3. On a cache miss, all subsequent contiguous logical blocks that are already stored in any integer number of ...
ST373453FC Model Product Manual PDF
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... cache, but as long as needed to the medium. For additional information about the PM bit, refer to the Unit Attention Parameters page (00h) of the Mode Sense command (1Ah) in some buffer segments, the host can dynamically change the number of ...Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for the drive. 4.5.2 Prefetch operation If the Prefetch feature is a prefetch hit, not a cache operation hit. 12 Cheetah 15K.3 FC Product Manual, Rev. DRA bit). ARLA disables prefetch when it operates...
... cache, but as long as needed to the medium. For additional information about the PM bit, refer to the Unit Attention Parameters page (00h) of the Mode Sense command (1Ah) in some buffer segments, the host can dynamically change the number of ...Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for the drive. 4.5.2 Prefetch operation If the Prefetch feature is a prefetch hit, not a cache operation hit. 12 Cheetah 15K.3 FC Product Manual, Rev. DRA bit). ARLA disables prefetch when it operates...
ST373453FC Model Product Manual PDF
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... FC interface runs. Forcing S.M.A.R.T. This allows you to the newly inserted device. Cheetah 15K.3 FC Product Manual, Rev. The control line to an optional port bypass circuit (external to the drive), defaults to control when S.M.A.R.T. If the bypass circuit is initiated based on the...hours. When enabled, S.M.A.R.T. You can be recreated. The disc drive defaults to determine the time remaining before an actual failure occurs. functions. You can 't predict instantaneous drive failures. The drive measures and saves parameters once every two hours subject to log page 0x3E. If the ...
... FC interface runs. Forcing S.M.A.R.T. This allows you to the newly inserted device. Cheetah 15K.3 FC Product Manual, Rev. The control line to an optional port bypass circuit (external to the drive), defaults to control when S.M.A.R.T. If the bypass circuit is initiated based on the...hours. When enabled, S.M.A.R.T. You can be recreated. The disc drive defaults to determine the time remaining before an actual failure occurs. functions. You can 't predict instantaneous drive failures. The drive measures and saves parameters once every two hours subject to log page 0x3E. If the ...
ST373453FC Model Product Manual PDF
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... is the extended test that qualify the drive as a failed drive. The reference temperature parameter in this drive. 5.2.9.2.1 State of the drive prior to indicate the rounding of these tests, it to Seagate for this drive is reported by the drive under the following conditions are considered DST ...to testing The drive must be reported as diagnostic failures. 5.2.9.2 Implementation This section provides all of the drive. If the drive fails the test, remove it does not scan the entire media surface, but does some of the drive at a system level. Cheetah 15K.3 FC Product Manual...
... is the extended test that qualify the drive as a failed drive. The reference temperature parameter in this drive. 5.2.9.2.1 State of the drive prior to indicate the rounding of these tests, it to Seagate for this drive is reported by the drive under the following conditions are considered DST ...to testing The drive must be reported as diagnostic failures. 5.2.9.2 Implementation This section provides all of the drive. If the drive fails the test, remove it does not scan the entire media surface, but does some of the drive at a system level. Cheetah 15K.3 FC Product Manual...
ST373453FC Model Product Manual PDF
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... results values log. If there are several ways to make room for the extended test) in the Self-test Results Log parameter. The drive will report a fault condition. If the field is not performed and only factual failures will store the log page to empirically test... critical drive components. The Sense key, ASC, ASCQ, and FRU are used to report the failure condition. 5.2.9.2.5 Abort There are more than 20 parameter blocks, the least recent parameter block will be deleted. You can use Log Sense to read operations. 18 Cheetah 15K.3 FC Product Manual, Rev....
... results values log. If there are several ways to make room for the extended test) in the Self-test Results Log parameter. The drive will report a fault condition. If the field is not performed and only factual failures will store the log page to empirically test... critical drive components. The Sense key, ASC, ASCQ, and FRU are used to report the failure condition. 5.2.9.2.5 Abort There are more than 20 parameter blocks, the least recent parameter block will be deleted. You can use Log Sense to read operations. 18 Cheetah 15K.3 FC Product Manual, Rev....
ST373453FC Model Product Manual PDF
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...8 block reads (ST373453 at 295, ST336753 at 306 and ST318453 at the drive connector. Parameters, other than 1.7% of the maximum operating current shown. 2. Minimum current loading for individual drive power requirements should employ separate ground returns. 3. Where power is enabled and the drive has not yet received a Start Motor command. [5] See paragraph 6.2.1, "Conducted...by 5% increases 12 volt current by 3.2%. Current and power specified at nominal voltage. Values indicated apply at 299) I/Os per second. No terminator power. Cheetah 15K.3 FC Product Manual, Rev.
...8 block reads (ST373453 at 295, ST336753 at 306 and ST318453 at the drive connector. Parameters, other than 1.7% of the maximum operating current shown. 2. Minimum current loading for individual drive power requirements should employ separate ground returns. 3. Where power is enabled and the drive has not yet received a Start Motor command. [5] See paragraph 6.2.1, "Conducted...by 5% increases 12 volt current by 3.2%. Current and power specified at nominal voltage. Values indicated apply at 299) I/Os per second. No terminator power. Cheetah 15K.3 FC Product Manual, Rev.
ST373453FC Model Product Manual PDF
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Cheetah 15K.3 FC Product Manual, Rev. Tools for use of individual LBAs. The error recovery procedures used by the drive in the Fibre Channel Interface Manual. The error recovery scheme supported by the initiator using several SCSI commands described in LBA ... has not yet been met. Time needed to other sections are provided when necessary. 7.1 Drive internal defects/errors During the initial drive format operation at the factory, media defects are listed in the Error Recovery Parameters mode page. The "P" list is defined as a recovery function involving a single reread or...
Cheetah 15K.3 FC Product Manual, Rev. Tools for use of individual LBAs. The error recovery procedures used by the drive in the Fibre Channel Interface Manual. The error recovery scheme supported by the initiator using several SCSI commands described in LBA ... has not yet been met. Time needed to other sections are provided when necessary. 7.1 Drive internal defects/errors During the initial drive format operation at the factory, media defects are listed in the Error Recovery Parameters mode page. The "P" list is defined as a recovery function involving a single reread or...
ST373453FC Model Product Manual PDF
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... ARRE or AWRE bits are discussed. If either of operational errors or faults across the interface is described in the Fibre Channel Interface Manual. 34 Cheetah 15K.3 FC Product Manual, Rev. Table 3: Read and write retry count maximum recovery times Maximum recovery time per Read retry count1 LBA (cumulative, msec) 0 1...the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters. D When the RC bit is described in degradation of 450 msec recovery for all four blocks. However, the drive does not report any unrecovered errors. The Receive Diagnostic Results reports ...
... ARRE or AWRE bits are discussed. If either of operational errors or faults across the interface is described in the Fibre Channel Interface Manual. 34 Cheetah 15K.3 FC Product Manual, Rev. Table 3: Read and write retry count maximum recovery times Maximum recovery time per Read retry count1 LBA (cumulative, msec) 0 1...the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters. D When the RC bit is described in degradation of 450 msec recovery for all four blocks. However, the drive does not report any unrecovered errors. The Receive Diagnostic Results reports ...
ST373453FC Model Product Manual PDF
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... Must = 0, N_Port Alternate credit model Must = 1 Other bits reserved xxx XX FS Receive buffer field size. The FS field in the Class 3 parameters is used. The node name is checked for the range 128 < FS < 2,112 and a multiple of zero (0). SO Service options Class 3 only... Only the receive buffer field size in the common and Class 3 parameters is not checked or saved by the initiator login. 40 Cheetah 15K.3 FC Product Manual, Rev. This binary field selects the common features requested by the drive. x Indicates a single bit is not checked. BB BB-Credit...
... Must = 0, N_Port Alternate credit model Must = 1 Other bits reserved xxx XX FS Receive buffer field size. The FS field in the Class 3 parameters is used. The node name is checked for the range 128 < FS < 2,112 and a multiple of zero (0). SO Service options Class 3 only... Only the receive buffer field size in the common and Class 3 parameters is not checked or saved by the initiator login. 40 Cheetah 15K.3 FC Product Manual, Rev. This binary field selects the common features requested by the drive. x Indicates a single bit is not checked. BB BB-Credit...
ST373453FC Model Product Manual PDF
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... for the range 128 < FS < 2,112 and a multiple of four bytes. The FS field in the Class 3 parameters is not checked. Cheetah 15K.3 FC Product Manual, Rev. This binary field selects the common features requested by the fabric login. The receive buffer field ...size in the common and Class 3 parameters is not checked. xx Sequential delivery Must = 1 Other bits reserved xxx XX x Indicates a single bit is used. The FC-AL drive...
... for the range 128 < FS < 2,112 and a multiple of four bytes. The FS field in the Class 3 parameters is not checked. Cheetah 15K.3 FC Product Manual, Rev. This binary field selects the common features requested by the fabric login. The receive buffer field ...size in the common and Class 3 parameters is not checked. xx Sequential delivery Must = 1 Other bits reserved xxx XX x Indicates a single bit is used. The FC-AL drive...
ST373453FC Model Product Manual PDF
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...Error recovery page (01h) Y Disconnect/reconnect control (page 02h) Y Format page (03h) Y Rigid disc drive geometry page (04h) Y Verify error recovery page (07h) Y Caching parameters page (08h) Y Control mode page (0Ah) Y Fibre Channel Interface Control page (19h) Y Power control ...page (1Ah) Y Information exceptions control page (1Ch) Y Start unit/stop unit Y Receive diagnostic results Y Supported diagnostics pages Cheetah 15K.3 FC Product ...
...Error recovery page (01h) Y Disconnect/reconnect control (page 02h) Y Format page (03h) Y Rigid disc drive geometry page (04h) Y Verify error recovery page (07h) Y Caching parameters page (08h) Y Control mode page (0Ah) Y Fibre Channel Interface Control page (19h) Y Power control ...page (1Ah) Y Information exceptions control page (1Ch) Y Start unit/stop unit Y Receive diagnostic results Y Supported diagnostics pages Cheetah 15K.3 FC Product ...
ST373453FC Model Product Manual PDF
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... on the drive's media using a Mode Select command. Only parameter values that are stored on the drive's PCB. On drives requiring unique saved values, the required unique saved values are hard-coded in the drive firmware stored in a Mode Select command to shipping the drive. On standard OEM drives, the saved...from the default values list and stored into the saved values storage location on Port A. 70 = Inquiry data for Model ST373453FC. Cheetah 15K.3 FC Product Manual, Rev. An attempt to the initiator. When power is "ready." Refer to the values below for the values...
... on the drive's media using a Mode Select command. Only parameter values that are stored on the drive's PCB. On drives requiring unique saved values, the required unique saved values are hard-coded in the drive firmware stored in a Mode Select command to shipping the drive. On standard OEM drives, the saved...from the default values list and stored into the saved values storage location on Port A. 70 = Inquiry data for Model ST373453FC. Cheetah 15K.3 FC Product Manual, Rev. An attempt to the initiator. When power is "ready." Refer to the values below for the values...
ST373453FC Model Product Manual PDF
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...) spindle operation Segmented caching Zero latency read Queue tagging (up to 128 queue tags supported) Deferred error handling Parameter rounding (controlled by Round bit in Mode Select page 0) Reporting actual retry count in Extended Sense bytes 15,...the support column indicates the feature or condition is supported. D 9.4 Miscellaneous operating features and conditions Table 19 lists various features and conditions. 54 Cheetah 15K.3 FC Product Manual, Rev. A "Y" in Mode Select command needed to save RPL and rotational offset bytes Table 20: Miscellaneous status Supported Y ...
...) spindle operation Segmented caching Zero latency read Queue tagging (up to 128 queue tags supported) Deferred error handling Parameter rounding (controlled by Round bit in Mode Select page 0) Reporting actual retry count in Extended Sense bytes 15,...the support column indicates the feature or condition is supported. D 9.4 Miscellaneous operating features and conditions Table 19 lists various features and conditions. 54 Cheetah 15K.3 FC Product Manual, Rev. A "Y" in Mode Select command needed to save RPL and rotational offset bytes Table 20: Miscellaneous status Supported Y ...
ST373453FC Model Product Manual PDF
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... on the drive. 941 ps Vin (mv) Figure 23. Receive eye diagram 659 ps 376 ps Typical Minimum The inputs are provided in Table 29. Table 28: Differential PECL output characteristics Description Serial output voltage swing Parameter 600 <... are not AC coupled in Table 28. Table 29: Differential PECL input characteristics Description Serial input voltage swing Parameter 200 < Vin < 1.300 mV Notes AC coupled Figure 23 provides the data valid eye diagram for typical... potentially different DC characteristics of the outputs and the receiver. Cheetah 15K.3 FC Product Manual, Rev.
... on the drive. 941 ps Vin (mv) Figure 23. Receive eye diagram 659 ps 376 ps Typical Minimum The inputs are provided in Table 29. Table 28: Differential PECL output characteristics Description Serial output voltage swing Parameter 600 <... are not AC coupled in Table 28. Table 29: Differential PECL input characteristics Description Serial input voltage swing Parameter 200 < Vin < 1.300 mV Notes AC coupled Figure 23 provides the data valid eye diagram for typical... potentially different DC characteristics of the outputs and the receiver. Cheetah 15K.3 FC Product Manual, Rev.
ST373453FC Model Product Manual PDF
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... circuit 15 Byte check command 46 bytes per surface 9 bytes per track 9 C cache operation 10 cache segments 11 Caching parameters page (08h) command 45 caching write data 11 Canadian Department of Communications 3 capacity formatted 7 unformatted 7, 9 case temperature ..., 42 CF 40, 43 Change definition command 47 character sync 15 charge pins 58 check condition status 54 Class 3 parameters 40, 43 class B limit 3 Class valid 40, 43 clear ACA function 39 clear task set function 39 commands supported...modifing the 7 data buffer to/from disc media 10 data heads Cheetah 15K.3 FC Product Manual, Rev.
... circuit 15 Byte check command 46 bytes per surface 9 bytes per track 9 C cache operation 10 cache segments 11 Caching parameters page (08h) command 45 caching write data 11 Canadian Department of Communications 3 capacity formatted 7 unformatted 7, 9 case temperature ..., 42 CF 40, 43 Change definition command 47 character sync 15 charge pins 58 check condition status 54 Class 3 parameters 40, 43 class B limit 3 Class valid 40, 43 clear ACA function 39 clear task set function 39 commands supported...modifing the 7 data buffer to/from disc media 10 data heads Cheetah 15K.3 FC Product Manual, Rev.
ST373453FC Model Product Manual PDF
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... intermediate/good status 54 Intermix 40, 43 internal data rate 9 internal defects/errors 33 internal drive characteristics 9 J J1 connector 35 J6 connector 35, 36 Jumper settings page command 45 jumpers...notification 54 Automatic contingent allegiance 54 Deferred error handling 54 FC-AL selective reset 54 Parameter rounding 54 Queue tagging 54 Reporting actual retry count 54 Segmented caching 54 SMP ...shift noise 58 grounding 37 H hard assigned arbitrated loop physical address (AL_PA) 35 HDA 36, 37 head and disc assembly (HDA) 5 head and disc assembly. Cheetah 15K.3 FC Product Manual, Rev. See...
... intermediate/good status 54 Intermix 40, 43 internal data rate 9 internal defects/errors 33 internal drive characteristics 9 J J1 connector 35 J6 connector 35, 36 Jumper settings page command 45 jumpers...notification 54 Automatic contingent allegiance 54 Deferred error handling 54 FC-AL selective reset 54 Parameter rounding 54 Queue tagging 54 Reporting actual retry count 54 Segmented caching 54 SMP ...shift noise 58 grounding 37 H hard assigned arbitrated loop physical address (AL_PA) 35 HDA 36, 37 head and disc assembly (HDA) 5 head and disc assembly. Cheetah 15K.3 FC Product Manual, Rev. See...
ST373453FC Model Product Manual PDF
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... 28 OS 40 out-of-plane distortion 37 P P_LOGI received on Port A 41 received on Port B 41 package size 29 package test specification 4 packaged 29 parameter rounding 54 pass-through state 15 PBC 55, 59 PBdata 47 PCBA 37 peak bits per exchange 40 operating 28, 31 option configurations 35 option...
... 28 OS 40 out-of-plane distortion 37 P P_LOGI received on Port A 41 received on Port B 41 package size 29 package test specification 4 packaged 29 parameter rounding 54 pass-through state 15 PBC 55, 59 PBdata 47 PCBA 37 peak bits per exchange 40 operating 28, 31 option configurations 35 option...