Cheetah 15K.5 SAS Product Manual
Page 14
...; Firmware-controlled multisegmented cache designed to dynamically adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for enhanced system performance. • 300 Mbytes/sec maximum instantaneous data transfers. • 15k RPM...
...; Firmware-controlled multisegmented cache designed to dynamically adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for enhanced system performance. • 300 Mbytes/sec maximum instantaneous data transfers. • 15k RPM...
Cheetah 15K.5 FC Product Manual
Page 16
... format time • Programmable auto write and read reallocation • Reed-Solomon error correction code • Sealed head and disc assembly (HDA) • No preventive maintenance or adjustments required • Dedicated head landing zone • Automatic shipping lock • Embedded Grey Code track address to 32 initiators • Drive selection ID and configuration options are set (queue) • Supports up to eliminate seek errors • Self-diagnostics performed at power...
... format time • Programmable auto write and read reallocation • Reed-Solomon error correction code • Sealed head and disc assembly (HDA) • No preventive maintenance or adjustments required • Dedicated head landing zone • Automatic shipping lock • Embedded Grey Code track address to 32 initiators • Drive selection ID and configuration options are set (queue) • Supports up to eliminate seek errors • Self-diagnostics performed at power...
Cheetah 15K.5 FC Product Manual
Page 21
... of RCD. Refer to section 4.5.2 for read functions. Sending a size specification using the Mode Select command; If there are, the respective cache segments are to be written to which data is an integer number of this point. The new data is not reported by Mode Sense command page 08h, bytes 14 and 15. Cheetah 15K.5 FC Product Manual, Rev. The drive fetches the requested logical blocks from the...
... of RCD. Refer to section 4.5.2 for read functions. Sending a size specification using the Mode Select command; If there are, the respective cache segments are to be written to which data is an integer number of this point. The new data is not reported by Mode Sense command page 08h, bytes 14 and 15. Cheetah 15K.5 FC Product Manual, Rev. The drive fetches the requested logical blocks from the...
Cheetah 15K.5 FC Product Manual
Page 87
... 49, 52 internal data rate 11 internal defects/errors 39 internal drive characteristics 11 IRAW 42 J J1 connector 43 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 Log sense command 56 logic power 67 logical block address 13 logical block reallocation scheme 8 logical block size 8, 12 logical...
... 49, 52 internal data rate 11 internal defects/errors 39 internal drive characteristics 11 IRAW 42 J J1 connector 43 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 Log sense command 56 logic power 67 logical block address 13 logical block reallocation scheme 8 logical block size 8, 12 logical...
Cheetah 15K.5 FC Product Manual
Page 89
... resonance 32 return information 21 Rezero unit command 54 Rigid disc drive geometry page command 54 rotation speed 11 running disparity 16 S safety 3 SCA part numbers 65 SCSI interface commands supported 54 Search data equal command 55 high command 55 low command 56 Seek command 54 seek error defined 16 rate 15 Seek extended command 55 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 63 SEL ID...
... resonance 32 return information 21 Rezero unit command 54 Rigid disc drive geometry page command 54 rotation speed 11 running disparity 16 S safety 3 SCA part numbers 65 SCSI interface commands supported 54 Search data equal command 55 high command 55 low command 56 Seek command 54 seek error defined 16 rate 15 Seek extended command 55 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 63 SEL ID...
Cheetah 15K.7 FC Product Manual
Page 13
...; Drive selection ID and configuration options are not used on the drive. • Supports SCSI Enclosure Services through interface com- 4.1 Standard features Cheetah 15K.7 FC drives have the following additional features : • Automatic data encryption/decryption • Controlled access • Random number generator • Drive locking • 16 independent data bands • Cryptographic erase of user data for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers • Downloadable firmware using...
...; Drive selection ID and configuration options are not used on the drive. • Supports SCSI Enclosure Services through interface com- 4.1 Standard features Cheetah 15K.7 FC drives have the following additional features : • Automatic data encryption/decryption • Controlled access • Random number generator • Drive locking • 16 independent data bands • Cryptographic erase of user data for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers • Downloadable firmware using...
Cheetah 15K.7 FC Product Manual
Page 83
... status 64 Intermix 50, 53 internal data rate 10 internal defects/errors 40 internal drive characteristics 10 IRAW 44 J J1 connector 45 Jumper settings page command 55 jumpers 45 L latency average rotational 10, 11 LBdata 57 LED driver signals 73 Link Service Reject (LS_RJT) 48 link services supported 48 Locking SP 37, 38 LockOnReset 38 Lock-unlock-cache command 56 Log select command 57 Log sense command 57 logic power 68 logical block address 12...
... status 64 Intermix 50, 53 internal data rate 10 internal defects/errors 40 internal drive characteristics 10 IRAW 44 J J1 connector 45 Jumper settings page command 55 jumpers 45 L latency average rotational 10, 11 LBdata 57 LED driver signals 73 Link Service Reject (LS_RJT) 48 link services supported 48 Locking SP 37, 38 LockOnReset 38 Lock-unlock-cache command 56 Log select command 57 Log sense command 57 logic power 68 logical block address 12...
Cheetah 15K.7 FC Product Manual
Page 86
C security partitions 37 Security Protocol In 37 Security Protocol Out 37 Seek command 55 seek error defined 15 rate 14 Seek extended command 56 seek performance characteristics 10 seek time average typical 10 full stroke typical 10 single track typical 10 segmented caching 64 SEL ID 45 lines 70 standard feature 7 Self-Encrypting Drive (SED) Users Guide 2 self-encrypting drives 37 Self-Monitoring Analysis and Reporting Technology 8, 16 Send diagnostics page command 56...
C security partitions 37 Security Protocol In 37 Security Protocol Out 37 Seek command 55 seek error defined 15 rate 14 Seek extended command 56 seek performance characteristics 10 seek time average typical 10 full stroke typical 10 single track typical 10 segmented caching 64 SEL ID 45 lines 70 standard feature 7 Self-Encrypting Drive (SED) Users Guide 2 self-encrypting drives 37 Self-Monitoring Analysis and Reporting Technology 8, 16 Send diagnostics page command 56...
Cheetah 15K.7 SAS Product Manual
Page 13
... standard features: • 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for improved durability and environmental protection. 4.3 Performance • Programable multi-segmented cache buffer • 600 Mbytes/sec maximum instantaneous data transfers • 15k RPM spindle. C 7 deep task set (queue) • Supports up to 32 initiators • Jumperless configuration. • User-selectable logical block size (512, 520, or 528 bytes...
... standard features: • 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for improved durability and environmental protection. 4.3 Performance • Programable multi-segmented cache buffer • 600 Mbytes/sec maximum instantaneous data transfers • 15k RPM spindle. C 7 deep task set (queue) • Supports up to 32 initiators • Jumperless configuration. • User-selectable logical block size (512, 520, or 528 bytes...
Cheetah 15K.7 SAS Product Manual
Page 73
... read/write data heads 9 receivers 62 recommended mounting 32 Recoverable Errors 13 recovered media data 13 reference documents 5 relative humidity 30 reliability 8 specifications 13 reliability and service 14 repair and return information 19 reporting actual retry count 57 reservation conflict status 58 resonance 30 return information 19 RNG 37 rotation speed 9 S safety 3 SAS interface 61 physical interface 58 task management functions 45 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 46 Secure ID...
... read/write data heads 9 receivers 62 recommended mounting 32 Recoverable Errors 13 recovered media data 13 reference documents 5 relative humidity 30 reliability 8 specifications 13 reliability and service 14 repair and return information 19 reporting actual retry count 57 reservation conflict status 58 resonance 30 return information 19 RNG 37 rotation speed 9 S safety 3 SAS interface 61 physical interface 58 task management functions 45 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 46 Secure ID...
Cheetah 15K.6 FC Product Manual
Page 14
... head landing zone • Automatic shipping lock • Embedded Grey Code track address to and from the media • Cryptographic erase of defects on command (Post Format) • Fibre Channel interface transports SCSI protocol Cheetah 15K.6 FC FDE models have it's own ownership credential and encryption key • Authenticated firmware download 8 Cheetah 15K.6 FC Product Manual, Rev. Jumpers are set on all write and reads to eliminate seek errors • Self-diagnostics performed...
... head landing zone • Automatic shipping lock • Embedded Grey Code track address to and from the media • Cryptographic erase of defects on command (Post Format) • Fibre Channel interface transports SCSI protocol Cheetah 15K.6 FC FDE models have it's own ownership credential and encryption key • Authenticated firmware download 8 Cheetah 15K.6 FC Product Manual, Rev. Jumpers are set on all write and reads to eliminate seek errors • Self-diagnostics performed...
Cheetah 15K.6 FC Product Manual
Page 19
... to change an unchangeable parameter. 4.5.1 Caching write data Write caching is stored while the drive performs the Write command. The value 0XFFFF is enabled and disabled independently using the Mode Select command (bytes 14 and 15) does not set to one requested logical block is not reported by the drive that makes use of RCD. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can...
... to change an unchangeable parameter. 4.5.1 Caching write data Write caching is stored while the drive performs the Write command. The value 0XFFFF is enabled and disabled independently using the Mode Select command (bytes 14 and 15) does not set to one requested logical block is not reported by the drive that makes use of RCD. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can...
Cheetah 15K.6 FC Product Manual
Page 89
... 53, 56 internal data rate 11 internal defects/errors 43 internal drive characteristics 11 IRAW 46 J J1 connector 47 Jumper settings page command 58 jumpers 47 L latency average rotational 11, 12 LBdata 60 LED driver signals 76 Link Service Reject (LS_RJT) 51 link services supported 51 Lock-unlock-cache command 59 Log select command 60 Log sense command 60 logic power 71 logical block address 13 logical block reallocation scheme 8 logical block size 8, 12 logical...
... 53, 56 internal data rate 11 internal defects/errors 43 internal drive characteristics 11 IRAW 46 J J1 connector 47 Jumper settings page command 58 jumpers 47 L latency average rotational 11, 12 LBdata 60 LED driver signals 76 Link Service Reject (LS_RJT) 51 link services supported 51 Lock-unlock-cache command 59 Log select command 60 Log sense command 60 logic power 71 logical block address 13 logical block reallocation scheme 8 logical block size 8, 12 logical...
Cheetah 15K.6 FC Product Manual
Page 91
... resonance 37 return information 21 Rezero unit command 58 Rigid disc drive geometry page command 58 rotation speed 11 running disparity 16 S safety 3 SCA part numbers 69 SCSI interface commands supported 57 Search data equal command 59 high command 59 low command 59 Seek command 58 seek error defined 16 rate 15 Seek extended command 59 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 67 SEL ID...
... resonance 37 return information 21 Rezero unit command 58 Rigid disc drive geometry page command 58 rotation speed 11 running disparity 16 S safety 3 SCA part numbers 69 SCSI interface commands supported 57 Search data equal command 59 high command 59 low command 59 Seek command 58 seek error defined 16 rate 15 Seek extended command 59 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 67 SEL ID...
Cheetah 15K.6 FC Product Manual
Page 92
...) command 58 Unit serial number page command 58 Unrecoverable Errors 15 unrecovered media data 15 V Valid version level 53, 56 Verify command 59, 61 Verify error recovery page (07h) command 58 vibration 37, 40 Vital product data page command 58 W warranty 21 word sync 16 Write and verify command 59 Write buffer command 60 Write combined header and data mode (0) 60 Write command 58 Write data mode (2) 60 Write extended command 59 Write long command 60 Write same command 60, 61 X XD read...
...) command 58 Unit serial number page command 58 Unrecoverable Errors 15 unrecovered media data 15 V Valid version level 53, 56 Verify command 59, 61 Verify error recovery page (07h) command 58 vibration 37, 40 Vital product data page command 58 W warranty 21 word sync 16 Write and verify command 59 Write buffer command 60 Write combined header and data mode (0) 60 Write command 58 Write data mode (2) 60 Write extended command 59 Write long command 60 Write same command 60, 61 X XD read...
Cheetah 15K.6 SAS Product Manual
Page 12
... maximum instantaneous data transfers. • 15k RPM spindle. B Average latency = 2.0 msec • Background processing of user data for a drive that will be repurposed or scrapped • Two independent data bands which each have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for improved durability and environmental protection. 3.3 Performance • Firmware-controlled multisegmented cache designed to...
... maximum instantaneous data transfers. • 15k RPM spindle. B Average latency = 2.0 msec • Background processing of user data for a drive that will be repurposed or scrapped • Two independent data bands which each have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for improved durability and environmental protection. 3.3 Performance • Firmware-controlled multisegmented cache designed to...
Cheetah 15K.5 SCSI Product Manual
Page 12
... head and disc assembly (HDA) is removed. 6 Cheetah 15K.5 SCSI Product Manual, Rev. These transfer rates will occur only if your warranty. This drive also operates at the factory. The drive contains no replaceable parts. 4.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to service items in the sealed enclosure (heads, media, actuator, etc.) as described in the ANSI SCSI interface specifications to maintain a contamination-free HDA environment. differentiating features Model number...
... head and disc assembly (HDA) is removed. 6 Cheetah 15K.5 SCSI Product Manual, Rev. These transfer rates will occur only if your warranty. This drive also operates at the factory. The drive contains no replaceable parts. 4.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to service items in the sealed enclosure (heads, media, actuator, etc.) as described in the ANSI SCSI interface specifications to maintain a contamination-free HDA environment. differentiating features Model number...
Cheetah 15K.5 SCSI Product Manual
Page 19
... attempt to change an unchangeable parameter. 5.5.1 Caching write data Write caching is a write operation by DRA = 0), the drive enables prefetch of a Synchronize Cache command, all cached write data to the medium. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. J 13 Upon completion of contiguous blocks from previous write commands will likely occur. Note. If read caching is enabled (RCD=0), then data written to the medium is an integer number of the...
... attempt to change an unchangeable parameter. 5.5.1 Caching write data Write caching is a write operation by DRA = 0), the drive enables prefetch of a Synchronize Cache command, all cached write data to the medium. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. J 13 Upon completion of contiguous blocks from previous write commands will likely occur. Note. If read caching is enabled (RCD=0), then data written to the medium is an integer number of the...
Cheetah 15K.5 SCSI Product Manual
Page 45
... voltage differential (LVD) busses. The first thing to do not cover with 512 byte sectors. 9.1 Drive ID/option select header Figure 10 shows the drive ID select jumper connector. If jumpers are changed after power has been applied, recycle the drive power to make the new settings effective. • Installation instructions are designed to the end of the SCSI bus cable. Some users connect cables to set the drive SCSI ID and set up using remote switches. The user...
... voltage differential (LVD) busses. The first thing to do not cover with 512 byte sectors. 9.1 Drive ID/option select header Figure 10 shows the drive ID select jumper connector. If jumpers are changed after power has been applied, recycle the drive power to make the new settings effective. • Installation instructions are designed to the end of the SCSI bus cable. Some users connect cables to set the drive SCSI ID and set up using remote switches. The user...
Cheetah 15K.5 SCSI Product Manual
Page 66
... controlled and therefore could become too long for LC model drives The nonshielded connector shall be used on cable ends or in cable middle section for SCA-2 Unshielded Connections." To obtain this connector. This type connector can only be an 80-conductor connector consisting of two rows of 34 female pins with this specification, visit the following web site: www.sffcommittee.org 60 Cheetah 15K.5 SCSI Product Manual...
... controlled and therefore could become too long for LC model drives The nonshielded connector shall be used on cable ends or in cable middle section for SCA-2 Unshielded Connections." To obtain this connector. This type connector can only be an 80-conductor connector consisting of two rows of 34 female pins with this specification, visit the following web site: www.sffcommittee.org 60 Cheetah 15K.5 SCSI Product Manual...