SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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... drives • 20 percent less power than 3.5-inch drives • More drives in GBs/watt at idle. Unbeatable performance - 135% increase over SATA • Full duplex I/O, 7200 RPM • Top performer in sequential read/writes ...Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for high-capacity enterprise storage applications in the tier 2 (nearline) storage area, where dollars/GB and GB/watt are the leading 2.5-inch enterprise drives. The Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives...
... drives • 20 percent less power than 3.5-inch drives • More drives in GBs/watt at idle. Unbeatable performance - 135% increase over SATA • Full duplex I/O, 7200 RPM • Top performer in sequential read/writes ...Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for high-capacity enterprise storage applications in the tier 2 (nearline) storage area, where dollars/GB and GB/watt are the leading 2.5-inch enterprise drives. The Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives...
Cheetah 15K.7 Data Sheet
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...Cheetah® 15K.7 Highest capacity, performance and reliability in 3.5-inch mission-critical storage 600, 450 and 300 GB • 15K RPM • 6-Gb/s Serial Attached SCSI (SAS) and 4-Gb/s FC Key Advantages • Third-generation perpendicular recording delivers up to 600 GB... 3.5-inch drive reliability at 1.6-million-hours MTBF • Seagate PowerTrim™ technology provides a 62 percent improvement in GBs/watt at idle over typical 3.5-inch hard drives. • Read/write advances deliver nonrecoverable error rate of 1x10E16 • Available in 4-Gb/s FC or 6-Gb/s SAS interfaces...
...Cheetah® 15K.7 Highest capacity, performance and reliability in 3.5-inch mission-critical storage 600, 450 and 300 GB • 15K RPM • 6-Gb/s Serial Attached SCSI (SAS) and 4-Gb/s FC Key Advantages • Third-generation perpendicular recording delivers up to 600 GB... 3.5-inch drive reliability at 1.6-million-hours MTBF • Seagate PowerTrim™ technology provides a 62 percent improvement in GBs/watt at idle over typical 3.5-inch hard drives. • Read/write advances deliver nonrecoverable error rate of 1x10E16 • Available in 4-Gb/s FC or 6-Gb/s SAS interfaces...
Cheetah 15K.7 Data Sheet
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.../s) 4-Gb/s Fibre Channel 6-Gb/s Serial Attached SCSI Performance Spindle Speed (RPM) Average Latency (ms) Seek Time Average Read/Write (ms) Track-to ensure no corruption in the event of a power failure during drive idle time. Cheetah® 15K.7 Highest capacity, performance and reliability in 3.5-inch mission-critical storage Lowest Cost of Ownership • Seventh-generation Seagate® Cheetah...
.../s) 4-Gb/s Fibre Channel 6-Gb/s Serial Attached SCSI Performance Spindle Speed (RPM) Average Latency (ms) Seek Time Average Read/Write (ms) Track-to ensure no corruption in the event of a power failure during drive idle time. Cheetah® 15K.7 Highest capacity, performance and reliability in 3.5-inch mission-critical storage Lowest Cost of Ownership • Seventh-generation Seagate® Cheetah...
Cheetah 15K.7 FC Product Manual
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.... 4.2 Seek performance characteristics See Section 10.5, "FC-AL physical interface" on a representative sample of Cheetah 15K.7 FC drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per inch Peak bits per inch Areal Density Internal data rate disk rotation speed Avg ...49 - 2.37 15k 2.0 ST3300657FC ST3300557FC 300 4 165,000 1,361 225 1.49 - 2.37 15k 2.0 Gbytes (formatted, rounded off value)* TPI KBPI Gbits/inch2 Gbits/sec (max) RPM msec *One Gbyte equals one billion bytes when referring to hard drive capacity. Maximum (with verify) Maximum (...
.... 4.2 Seek performance characteristics See Section 10.5, "FC-AL physical interface" on a representative sample of Cheetah 15K.7 FC drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per inch Peak bits per inch Areal Density Internal data rate disk rotation speed Avg ...49 - 2.37 15k 2.0 ST3300657FC ST3300557FC 300 4 165,000 1,361 225 1.49 - 2.37 15k 2.0 Gbytes (formatted, rounded off value)* TPI KBPI Gbits/inch2 Gbits/sec (max) RPM msec *One Gbyte equals one billion bytes when referring to hard drive capacity. Maximum (with verify) Maximum (...
Cheetah 15K.7 FC Product Manual
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...of this feature, the host sends the Mode Select command with the proper values in the applicable bytes in Table 18. 10 Cheetah 15K.7 FC Product Manual, Rev. Prefetch and cache operations are given in page 08h. All default cache and prefetch mode parameter ... in the Fibre Channel Interface Manual less than 3 seconds after DC power has been applied. Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that each is enabled and disabled independently using...
...of this feature, the host sends the Mode Select command with the proper values in the applicable bytes in Table 18. 10 Cheetah 15K.7 FC Product Manual, Rev. Prefetch and cache operations are given in page 08h. All default cache and prefetch mode parameter ... in the Fibre Channel Interface Manual less than 3 seconds after DC power has been applied. Read/write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that each is enabled and disabled independently using...
Cheetah 15K.7 FC Product Manual
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... a 01 (self-test aborted by a reset condition). 18 Cheetah 15K.7 FC Product Manual, Rev. If the field is checked through read/write/read /verify scan of the Extended test is complete or has been aborted, the drive updates the Self-Test Results Value field in its SelfTest Results ... moved to the same value as possible within 120 seconds. Each test consists of the drive as sent in the DST Function Code field. The write element is tested through a read operations. The drive will report the failure condition and LBA (if applicable) in the following two subsections. ...
... a 01 (self-test aborted by a reset condition). 18 Cheetah 15K.7 FC Product Manual, Rev. If the field is checked through read/write/read /verify scan of the Extended test is complete or has been aborted, the drive updates the Self-Test Results Value field in its SelfTest Results ... moved to the same value as possible within 120 seconds. Each test consists of the drive as sent in the DST Function Code field. The write element is tested through a read operations. The drive will report the failure condition and LBA (if applicable) in the following two subsections. ...
Cheetah 15K.7 FC Product Manual
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... using the EraseMaster password. This scenario occurs if the drive is available using these bands can be read /write access to changing the passwords, as the Global Data Band) which comprises LBA 0 through 15). 7.2.3 Default password When the drive is shipped from its cabinet. Each data band has ... set to unique owner-specified values. 7.3 Random number generator (RNG) The drive has a 32-byte hardware RNG that it is locked and the drive will not honor any attempt to 4K LBA boundaries. 36 Cheetah 15K.7 FC Product Manual, Rev. This 32-byte random value is printed ...
... using the EraseMaster password. This scenario occurs if the drive is available using these bands can be read /write access to changing the passwords, as the Global Data Band) which comprises LBA 0 through 15). 7.2.3 Default password When the drive is shipped from its cabinet. Each data band has ... set to unique owner-specified values. 7.3 Random number generator (RNG) The drive has a 32-byte hardware RNG that it is locked and the drive will not honor any attempt to 4K LBA boundaries. 36 Cheetah 15K.7 FC Product Manual, Rev. This 32-byte random value is printed ...
Cheetah 15K.7 FC Product Manual
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...Read command is set to 00 C8 hex (200 msec decimal) a four LBA read...read...drive not performing error recovery. Note: A recovery time limit of 0 will result in error recovery. Status returned by the drive.... B Therefore, each command's total recovery time is allowed to take up to 200 msec for each command. A setting of errors or faults. The FCP Response returns information to FF FF hex (maximum). For example, suppose the Read/Write... Recovery page has the RC bit set to the host about numerous kinds of zero (0) will use the drive...drive...drive.... Write retry...
...Read command is set to 00 C8 hex (200 msec decimal) a four LBA read...read...drive not performing error recovery. Note: A recovery time limit of 0 will result in error recovery. Status returned by the drive.... B Therefore, each command's total recovery time is allowed to take up to 200 msec for each command. A setting of errors or faults. The FCP Response returns information to FF FF hex (maximum). For example, suppose the Read/Write... Recovery page has the RC bit set to the host about numerous kinds of zero (0) will use the drive...drive...drive.... Write retry...
Cheetah 15K.7 FC Product Manual
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... Actual retry count bytes Format unit [1] Reassign blocks Read Write Seek Inquiry Vital product data page (00h) Unit ...drive geometry...Write Lock=False Y N Executable Y N Executable Y N Executable Y Y Executable N Y Executable N Y Executable N Y Executable N N Executable Y N Executable Y N Executable Y N Executable Y N Executable Y N Executable Affected LBA Locked ReadLock=Write Lock=True Executable Executable Executable Check Condition Check Condition Check Condition Check Condition Executable Executable Executable Executable Executable Executable Cheetah...
... Actual retry count bytes Format unit [1] Reassign blocks Read Write Seek Inquiry Vital product data page (00h) Unit ...drive geometry...Write Lock=False Y N Executable Y N Executable Y N Executable Y Y Executable N Y Executable N Y Executable N Y Executable N N Executable Y N Executable Y N Executable Y N Executable Y N Executable Y N Executable Affected LBA Locked ReadLock=Write Lock=True Executable Executable Executable Check Condition Check Condition Check Condition Check Condition Executable Executable Executable Executable Executable Executable Cheetah...
Cheetah 15K.7 FC Product Manual
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...19 D DAR 41 Data Bands 36 data bands 35 Data encryption 35 Data Encryption Key 35 data heads read/write 9 data rate internal 9 data transfer rate 10 data valid eye 72 Date code page command 53 ...save mode (7) 55 Download microcode with offsets mode (6) 55 drive 32 drive capacity programmable 8 drive characteristics 9 drive ID 43 drive ID/option select headers 43 Drive Locking 36 drive mounting 34, 45 drive orientation 43 drive select 64 driver signals 71 drivers and receivers 6 dual ..., illustrated 64 selective reset 62 FCC rules and regulations 2 76 Cheetah 15K.7 FC Product Manual, Rev.
...19 D DAR 41 Data Bands 36 data bands 35 Data encryption 35 Data Encryption Key 35 data heads read/write 9 data rate internal 9 data transfer rate 10 data valid eye 72 Date code page command 53 ...save mode (7) 55 Download microcode with offsets mode (6) 55 drive 32 drive capacity programmable 8 drive characteristics 9 drive ID 43 drive ID/option select headers 43 Drive Locking 36 drive mounting 34, 45 drive orientation 43 drive select 64 driver signals 71 drivers and receivers 6 dual ..., illustrated 64 selective reset 62 FCC rules and regulations 2 76 Cheetah 15K.7 FC Product Manual, Rev.
Cheetah 15K.7 FC Product Manual
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... logical block reallocation scheme 6 logical block size 6, 10 logical segments 11 Logout (LOGO) 46 loop 63, 67 disruption 14 initialization 43 loop position Cheetah 15K.7 FC Product Manual, Rev. FCP for SCSI, document 4 response codes 47 task management functions 47 FC-PH document 4 FDE features 6 features... Band 36 Good status 62 gradient 29 ground shift noise 65 grounding 45 H hard assigned arbitrated loop physical address (AL_PA) 43 HDA 45 heads read/write data 9 heat removal 44 host equipment 45 hot plugging the drive 14 humidity 29 humidity limits 28 I IC 48 ID and configuration options 6...
... logical block reallocation scheme 6 logical block size 6, 10 logical segments 11 Logout (LOGO) 46 loop 63, 67 disruption 14 initialization 43 loop position Cheetah 15K.7 FC Product Manual, Rev. FCP for SCSI, document 4 response codes 47 task management functions 47 FC-PH document 4 FDE features 6 features... Band 36 Good status 62 gradient 29 ground shift noise 65 grounding 45 H hard assigned arbitrated loop physical address (AL_PA) 43 HDA 45 heads read/write data 9 heat removal 44 host equipment 45 hot plugging the drive 14 humidity 29 humidity limits 28 I IC 48 ID and configuration options 6...
Cheetah 15K.7 FC Product Manual
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...ACC) payload 50 process login payload data 49 Process Logout (PRLO) 46 programmable drive capacity 8 protection of data at rest 35 public loop FC-AL options 52 ...Read buffer command 55 Read capacity command 54 Read combined header and data mode (0) 55 Read command 53 Read data mode (2) 55 Read defect data command 54 Read descriptor mode (3) 55 read error rates 13, 38 Read extended command 54 Read Link Status (RLS) 46 Read long command 55 read/write... 56 resonance 30 return information 19 Rezero unit command 53 Rigid disc drive geometry page command 53 RNG 36 rotation speed 9 running disparity 14 ...
...ACC) payload 50 process login payload data 49 Process Logout (PRLO) 46 programmable drive capacity 8 protection of data at rest 35 public loop FC-AL options 52 ...Read buffer command 55 Read capacity command 54 Read combined header and data mode (0) 55 Read command 53 Read data mode (2) 55 Read defect data command 54 Read descriptor mode (3) 55 read error rates 13, 38 Read extended command 54 Read Link Status (RLS) 46 Read long command 55 read/write... 56 resonance 30 return information 19 Rezero unit command 53 Rigid disc drive geometry page command 53 RNG 36 rotation speed 9 running disparity 14 ...
Cheetah 15K.7 SAS Product Manual
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...-related characteristics and features of drives. 2. Access to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 4.2 Seek time See Section 10.4.1, "SAS physical interface" on a representative sample of Cheetah 15K.7 drives. 4.1 Internal drive characteristics Drive capacity ST3600057SS ST3450857SS ST3300657SS ST3600957SS ST3450757SS ST3300557SS 600 450 300 Gbytes (formatted, rounded off value)* Read/write data heads 8 6 4 Tracks per...
...-related characteristics and features of drives. 2. Access to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 4.2 Seek time See Section 10.4.1, "SAS physical interface" on a representative sample of Cheetah 15K.7 drives. 4.1 Internal drive characteristics Drive capacity ST3600057SS ST3450857SS ST3300657SS ST3600957SS ST3450757SS ST3300557SS 600 450 300 Gbytes (formatted, rounded off value)* Read/write data heads 8 6 4 Tracks per...
Cheetah 15K.7 SAS Product Manual
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There is 512-byte data blocks Sector sizes variable to 512, 520, and 528 kbytes. Read/write consecutive sectors on a track Yes Flaw reallocation performance impact (for a Status Byte Transfer to the Initiator (excluding connect/disconnect). 4.2.3...) primitive, the drive waits for a NOTIFY (ENABLE SPINUP) primitive. Cheetah 15K.7 SAS Product Manual, Rev. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with verify) Maximum (without verify) ST3600057SS 119 60 ST3450857SS 90 45 ST3300657SS 58 29 Note....
There is 512-byte data blocks Sector sizes variable to 512, 520, and 528 kbytes. Read/write consecutive sectors on a track Yes Flaw reallocation performance impact (for a Status Byte Transfer to the Initiator (excluding connect/disconnect). 4.2.3...) primitive, the drive waits for a NOTIFY (ENABLE SPINUP) primitive. Cheetah 15K.7 SAS Product Manual, Rev. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with verify) Maximum (without verify) ST3600057SS 119 60 ST3450857SS 90 45 ST3300657SS 58 29 Note....
Cheetah 15K.7 SAS Product Manual
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...of the self-test results log parameter section of the media. This option provides a quick confidence test of these conditions, the drive responds to zero, the test failed for the reason reported in the Self-test Results Log page. Each test consists of the... test is not performed and only factual failures will report a fault condition. The integrity of the media. If the field is checked through read/write/read operations. Cheetah 15K.7 SAS Product Manual, Rev. short 2. extended These testing options are more than 20 parameter blocks, the least recent parameter block will...
...of the self-test results log parameter section of the media. This option provides a quick confidence test of these conditions, the drive responds to zero, the test failed for the reason reported in the Self-test Results Log page. Each test consists of the... test is not performed and only factual failures will report a fault condition. The integrity of the media. If the field is checked through read/write/read operations. Cheetah 15K.7 SAS Product Manual, Rev. short 2. extended These testing options are more than 20 parameter blocks, the least recent parameter block will...
Cheetah 15K.7 SAS Product Manual
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...using the BandMasterX or EraseMaster passwords. Seagate's SED models comply with the Trusted Computing Group (TCG) Enterprise Storage Specifications as gatekeepers to the drive security services. A unique data encryption...15). 34 Cheetah 15K.7 SAS Product Manual, Rev. These act as detailed in Section 2.4. B The DEK is itself encrypted when it is stored on the drive, each of the drive's possible16 data ...Since the drive owner can define up to 16 data bands on the media and when it is read /write access to the media and the cryptographic erase feature. These drives are always...
...using the BandMasterX or EraseMaster passwords. Seagate's SED models comply with the Trusted Computing Group (TCG) Enterprise Storage Specifications as gatekeepers to the drive security services. A unique data encryption...15). 34 Cheetah 15K.7 SAS Product Manual, Rev. These act as detailed in Section 2.4. B The DEK is itself encrypted when it is stored on the drive, each of the drive's possible16 data ...Since the drive owner can define up to 16 data bands on the media and when it is read /write access to the media and the cryptographic erase feature. These drives are always...
Cheetah 15K.7 SAS Product Manual
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...to the recovery time limit. BMS is subject to change. B 39 Cheetah 15K.7 SAS Product Manual, Rev. Status returned by the host system. In RAID arrays, BMS allows hot spare drives to be logged or reallocated per LBA (cumulative, msec) 23.94 35...drive's default value of errors or faults. Unreadable and recovered error sites will use of the unrecovered error rate which may exceed the value given in the T10 document SPC-4 available from the T10 committee. Write retry count 0 1 2 3 4 5 (default) Maximum recovery time per ARRE/AWRE settings. For example, suppose the read/write...
...to the recovery time limit. BMS is subject to change. B 39 Cheetah 15K.7 SAS Product Manual, Rev. Status returned by the host system. In RAID arrays, BMS allows hot spare drives to be logged or reallocated per LBA (cumulative, msec) 23.94 35...drive's default value of errors or faults. Unreadable and recovered error sites will use of the unrecovered error rate which may exceed the value given in the T10 document SPC-4 available from the T10 committee. Write retry count 0 1 2 3 4 5 (default) Maximum recovery time per ARRE/AWRE settings. For example, suppose the read/write...
Cheetah 15K.7 SAS Product Manual
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... 34 BMS 39 buffer data 6 space 10 busy status 55 C cache operation 10 Cheetah 15K.7 SAS Product Manual, Rev. B cache segments 10 caching write data 11 Canadian Department of Communications 2 capacity unformatted 8 CBC 34 check condition status ...read /write 8 data rate internal 8 data transfer rate 9 DC power 59 requirements 19 Decision Feedback Equalizer 61 decrypt 34 default MSID password 35 defect and error management 37 defects 37 Deferred Auto-Reallocation 40 deferred error handling 55 DEK 34 description 5 DFE 61 dimensions 33 disc rotation speed 8 drive 32 drive characteristics 8 Drive...
... 34 BMS 39 buffer data 6 space 10 busy status 55 C cache operation 10 Cheetah 15K.7 SAS Product Manual, Rev. B cache segments 10 caching write data 11 Canadian Department of Communications 2 capacity unformatted 8 CBC 34 check condition status ...read /write 8 data rate internal 8 data transfer rate 9 DC power 59 requirements 19 Decision Feedback Equalizer 61 decrypt 34 default MSID password 35 defect and error management 37 defects 37 Deferred Auto-Reallocation 40 deferred error handling 55 DEK 34 description 5 DFE 61 dimensions 33 disc rotation speed 8 drive 32 drive characteristics 8 Drive...
Cheetah 15K.7 SAS Product Manual
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... noise 60 grounding 42 H HDA 41, 42 head and disc assembly. See HDA heads read/write data 8 66 heat removal 41 heat source 41 host equipment 42 hot plugging the drive 13 humidity 29 humidity limits 28 I Idle Read After Write 40 inquiry data 48 installation 41 interface commands supported 44 error rate 12 errors... caching 55 Asynchronous event notification 55 Automatic contingent allegiance 55 Deferred error handling 55 Parameter rounding 55 Queue tagging 55 Reporting actual retry count 55 Cheetah 15K.7 SAS Product Manual, Rev. B
... noise 60 grounding 42 H HDA 41, 42 head and disc assembly. See HDA heads read/write data 8 66 heat removal 41 heat source 41 host equipment 42 hot plugging the drive 13 humidity 29 humidity limits 28 I Idle Read After Write 40 inquiry data 48 installation 41 interface commands supported 44 error rate 12 errors... caching 55 Asynchronous event notification 55 Automatic contingent allegiance 55 Deferred error handling 55 Parameter rounding 55 Queue tagging 55 Reporting actual retry count 55 Cheetah 15K.7 SAS Product Manual, Rev. B
Cheetah 15K.7 SAS Product Manual
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...55 SMP = 1 in Mode Select command 55 Synchronized (locked) spindle operation 55 Zero latency read 55 miscellaneous status support ACA active 56 ACA active, faulted initiator 56 Busy 55 Check condition... at rest 34 Q queue tagging 55 R radio interference regulations 2 Random number generator 35 RCD bit 10 read error rates 12, 37 read/write data heads 8 receivers 60 recommended mounting 31 Recoverable Errors 12 recovered media data 12 reference documents 4 relative ... Manual 2, 4 SCSI interface commands supported 44 Secure ID 34 security partitions 34 Cheetah 15K.7 SAS Product Manual, Rev.
...55 SMP = 1 in Mode Select command 55 Synchronized (locked) spindle operation 55 Zero latency read 55 miscellaneous status support ACA active 56 ACA active, faulted initiator 56 Busy 55 Check condition... at rest 34 Q queue tagging 55 R radio interference regulations 2 Random number generator 35 RCD bit 10 read error rates 12, 37 read/write data heads 8 receivers 60 recommended mounting 31 Recoverable Errors 12 recovered media data 12 reference documents 4 relative ... Manual 2, 4 SCSI interface commands supported 44 Secure ID 34 security partitions 34 Cheetah 15K.7 SAS Product Manual, Rev.