SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
Page 3
... arrays Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for storage cost-effectiveness with IOECC/ IOEDC on Writes and only IOEDC (Error Detection) on Reads • Dual-port SAS for Tier 2 nearline applications. Seagate Savvio Drives For mainstream applications, Seagate Savvio 10K and 15K drives are a primary concern, the Seagate Barracuda ES.2 SAS drive provides worldleading technology and value. only 1-watt increase over and data recovery in GBs...
... arrays Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for storage cost-effectiveness with IOECC/ IOEDC on Writes and only IOEDC (Error Detection) on Reads • Dual-port SAS for Tier 2 nearline applications. Seagate Savvio Drives For mainstream applications, Seagate Savvio 10K and 15K drives are a primary concern, the Seagate Barracuda ES.2 SAS drive provides worldleading technology and value. only 1-watt increase over and data recovery in GBs...
Storage Strategies for Server Virtualization
Page 3
... to change, without notice, product offerings or specifications. Printed in -time recovery • Recovery point granularity • Remote recovery • Multi-path failure recovery Mistakes to Avoid In Deploying Storage for the virtual server environment, storage can look at virtual server data growth and say "Bring it mercilessly. AMERICAS ASIA / PACIFIC EUROPE, MIDDLE EAST AND AFRICA Seagate Technology LLC 920 Disc Drive...
... to change, without notice, product offerings or specifications. Printed in -time recovery • Recovery point granularity • Remote recovery • Multi-path failure recovery Mistakes to Avoid In Deploying Storage for the virtual server environment, storage can look at virtual server data growth and say "Bring it mercilessly. AMERICAS ASIA / PACIFIC EUROPE, MIDDLE EAST AND AFRICA Seagate Technology LLC 920 Disc Drive...
Cheetah 15K.7 Product Overview
Page 2
...-grade data security and instant secure erase for drives reused, recycled or returned for use a different standard of any 3.5-inch missioncritical drive. Your computer's operating system may use in the world. The SAS drives will not be ideally suited for expired lease, repair or warranty. *Requires TCG-compliant host or controller support Specifications Capacity Interface Spindle Speed Reliability Cache Form factor 600, 450, 300 GB 6 Gb/s SAS 2.0, 4 Gb/s FC 15,000 RPM 0.55% AFR/1.6M hours MTBF...
...-grade data security and instant secure erase for drives reused, recycled or returned for use a different standard of any 3.5-inch missioncritical drive. Your computer's operating system may use in the world. The SAS drives will not be ideally suited for expired lease, repair or warranty. *Requires TCG-compliant host or controller support Specifications Capacity Interface Spindle Speed Reliability Cache Form factor 600, 450, 300 GB 6 Gb/s SAS 2.0, 4 Gb/s FC 15,000 RPM 0.55% AFR/1.6M hours MTBF...
Cheetah 15K.7 Data Sheet
Page 2
Specifications 600 GB1 450 GB1 300 GB1 Model Number Capacity Formatted 512 Kbytes/Sector (GB) External Transfer Rate (MB/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-Track Read/Write (ms) Transfer Rate Internal (Mb/s, OD-ID) Sustained (MB/s, 1000 x 1000) Cache, Multisegmented (MB/s) Configuration/Organization Disks Heads Nonrecoverable Read Errors per Bits Read Reliability Rating at support.seagate.com. • Visit our knowledge base for answers to common support questions. • ...
Specifications 600 GB1 450 GB1 300 GB1 Model Number Capacity Formatted 512 Kbytes/Sector (GB) External Transfer Rate (MB/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-Track Read/Write (ms) Transfer Rate Internal (Mb/s, OD-ID) Sustained (MB/s, 1000 x 1000) Cache, Multisegmented (MB/s) Configuration/Organization Disks Heads Nonrecoverable Read Errors per Bits Read Reliability Rating at support.seagate.com. • Visit our knowledge base for answers to common support questions. • ...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost
Page 2
time setting its blazing 6-Gb/s transfer rate (double architectures used in enterprise data centers: that of the previous generation) is also known for with earlier SAS and SATA hard drives. • JBOD/RAID (just-a-bunch-of-disks/redundant array of network storage While its sights on the data center's premier Factor in many enhancements beyond first-generation 3Gb/s professionals, who are many other targeted poses...
time setting its blazing 6-Gb/s transfer rate (double architectures used in enterprise data centers: that of the previous generation) is also known for with earlier SAS and SATA hard drives. • JBOD/RAID (just-a-bunch-of-disks/redundant array of network storage While its sights on the data center's premier Factor in many enhancements beyond first-generation 3Gb/s professionals, who are many other targeted poses...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost
Page 3
... part of the International Committee on mini SAS connectors Investment protection Retains compatibility with earlier SAS/SATA hard drives and SCSI software/ middleware Management efficiencies Utilizes existing IT SCSI expertise Figure 2. Furthermore, expanders can be implemented in a variety of vendor-specific, and frequently incompatible, ways that can lead to inaccessible storage and/or limit customers to single-vendor solutions. This provides greater data security and makes storage...
... part of the International Committee on mini SAS connectors Investment protection Retains compatibility with earlier SAS/SATA hard drives and SCSI software/ middleware Management efficiencies Utilizes existing IT SCSI expertise Figure 2. Furthermore, expanders can be implemented in a variety of vendor-specific, and frequently incompatible, ways that can lead to inaccessible storage and/or limit customers to single-vendor solutions. This provides greater data security and makes storage...
Cheetah 15K.7 FC Product Manual
Page 8
... if the enclosure does not provide adequate shielding. Shielded I /O cables are external to use. The security features of Cheetah 15K.7 FC SED models are recognized in the appropriate sections of the drive serve to minimize radiation when installed in order to the highest standards of safety, power distribution, shielding, audible noise control, and temperature regulation. The design characteristics of this product manual. 2.1.1 Electromagnetic compatibility The drive, as...
... if the enclosure does not provide adequate shielding. Shielded I /O cables are external to use. The security features of Cheetah 15K.7 FC SED models are recognized in the appropriate sections of the drive serve to minimize radiation when installed in order to the highest standards of safety, power distribution, shielding, audible noise control, and temperature regulation. The design characteristics of this product manual. 2.1.1 Electromagnetic compatibility The drive, as...
Cheetah 15K.7 FC Product Manual
Page 12
... command (Post Format) • Fibre Channel interface transports SCSI protocol Cheetah 15K.7 FC SED models 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 the FC-AL interface • Supports SCSI enclosure services via interface connector...
... command (Post Format) • Fibre Channel interface transports SCSI protocol Cheetah 15K.7 FC SED models 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 the FC-AL interface • Supports SCSI enclosure services via interface connector...
Cheetah 15K.7 FC Product Manual
Page 17
... . If read command is retained in the cache: 1. That is stored while the drive performs the Write command. The following is a simplified description of RCD. Case B-A Read command requests data, and at the beginning of the segment. The drive dynamically creates and removes segments based on the way to retrieve it does for read functions. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up...
... . If read command is retained in the cache: 1. That is stored while the drive performs the Write command. The following is a simplified description of RCD. Case B-A Read command requests data, and at the beginning of the segment. The drive dynamically creates and removes segments based on the way to retrieve it does for read functions. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up...
Cheetah 15K.7 FC Product Manual
Page 21
... measurement and data logging process occurs. S.M.A.R.T. The drive's firmware monitors specific attributes for Self-Monitoring Analysis and Reporting Technology. is controlled by the DEXCPT and PERF bits on -line data as the drive performs normal read and write operations. Setting the DEXCPT bit disables all S.M.A.R.T. collects on the Informational Exceptions Control mode page (1Ch). You can 't predict instantaneous drive failures. resets the timer so that no temperature, energy, voltage hazard, or...
... measurement and data logging process occurs. S.M.A.R.T. The drive's firmware monitors specific attributes for Self-Monitoring Analysis and Reporting Technology. is controlled by the DEXCPT and PERF bits on -line data as the drive performs normal read and write operations. Setting the DEXCPT bit disables all S.M.A.R.T. collects on the Informational Exceptions Control mode page (1Ch). You can 't predict instantaneous drive failures. resets the timer so that no temperature, energy, voltage hazard, or...
Cheetah 15K.7 FC Product Manual
Page 42
7.2.2 Locking SP The Locking SP controls read/write access to 4K LBA boundaries. 36 Cheetah 15K.7 FC Product Manual, Rev. After receipt of the drive, it is the responsibility of MSID. The variable "LockOnReset" should be set the data access controls for system use the default MSID password as described in another system. When the drive is shipped from the factory, the firmware download port is lost. An additional 14 Data Bands may allocate...
7.2.2 Locking SP The Locking SP controls read/write access to 4K LBA boundaries. 36 Cheetah 15K.7 FC Product Manual, Rev. After receipt of the drive, it is the responsibility of MSID. The variable "LockOnReset" should be set the data access controls for system use the default MSID password as described in another system. When the drive is shipped from the factory, the firmware download port is lost. An additional 14 Data Bands may allocate...
Cheetah 15K.7 FC Product Manual
Page 80
.... Have your serial number and model or part number available. See www.seagate.com for all formats and all brands of defective products. Customer Service Operations Warranty Service Seagate offers worldwide customer support for warrantyrelated issues. Resellers or end users of telephone numbers to technical support, presales and warranty service in Europe, the Middle East and Africa, go to the "Contact Us" page on www.seagate.com. 74 Cheetah 15K.7 FC Product Manual, Rev. B
.... Have your serial number and model or part number available. See www.seagate.com for all formats and all brands of defective products. Customer Service Operations Warranty Service Seagate offers worldwide customer support for warrantyrelated issues. Resellers or end users of telephone numbers to technical support, presales and warranty service in Europe, the Middle East and Africa, go to the "Contact Us" page on www.seagate.com. 74 Cheetah 15K.7 FC Product Manual, Rev. B
Cheetah 15K.7 FC Product Manual
Page 83
.../good status 62 Intermix 48, 51 internal data rate 9 internal defects/errors 38 internal drive characteristics 9 IRAW 42 J J1 connector 43 Jumper settings page command 53 jumpers 43 L latency average rotational 9, 10 LBdata 55 LED driver signals 71 Link Service Reject (LS_RJT) 46 link services supported 46 Locking SP 35, 36 LockOnReset 36 Lock-unlock-cache command 54 Log select command 55 Log sense command 55 logic power 66 logical block address 11 logical block...
.../good status 62 Intermix 48, 51 internal data rate 9 internal defects/errors 38 internal drive characteristics 9 IRAW 42 J J1 connector 43 Jumper settings page command 53 jumpers 43 L latency average rotational 9, 10 LBdata 55 LED driver signals 71 Link Service Reject (LS_RJT) 46 link services supported 46 Locking SP 35, 36 LockOnReset 36 Lock-unlock-cache command 54 Log select command 55 Log sense command 55 logic power 66 logical block address 11 logical block...
Cheetah 15K.7 FC Product Manual
Page 86
B security partitions 35 Security Protocol In 35 Security Protocol Out 35 Seek command 53 seek error defined 14 rate 13 Seek extended command 54 seek performance characteristics 9 seek time average typical 9 full stroke typical 9 single track typical 9 segmented caching 62 SEL ID 43 lines 68 standard feature 6 Self-Encrypting Drive (SED) Users Guide 1 self-encrypting drives 35 Self-Monitoring Analysis and Reporting Technology 7, 15 Send diagnostics page command 54 Sequential delivery 48, 51...
B security partitions 35 Security Protocol In 35 Security Protocol Out 35 Seek command 53 seek error defined 14 rate 13 Seek extended command 54 seek performance characteristics 9 seek time average typical 9 full stroke typical 9 single track typical 9 segmented caching 62 SEL ID 43 lines 68 standard feature 6 Self-Encrypting Drive (SED) Users Guide 1 self-encrypting drives 35 Self-Monitoring Analysis and Reporting Technology 7, 15 Send diagnostics page command 54 Sequential delivery 48, 51...
Cheetah 15K.7 SAS Product Manual
Page 8
... construction. It is the user's responsibility to assure that the drive meets the appropriate EMI requirements in this manual and the Seagate SAS Interface Manual, part number 100293071. Special attention must be required if the enclosure does not provide adequate shielding. however, it is the responsibility of those integrating the drive within their systems to perform those tests required and design their system...
... construction. It is the user's responsibility to assure that the drive meets the appropriate EMI requirements in this manual and the Seagate SAS Interface Manual, part number 100293071. Special attention must be required if the enclosure does not provide adequate shielding. however, it is the responsibility of those integrating the drive within their systems to perform those tests required and design their system...
Cheetah 15K.7 SAS Product Manual
Page 12
... power is applied to and from the media • Controlled access • Random number generator • Drive locking • Two independent data bands which each have it's own ownership credential and encryption key • Cryptographic erase of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; 3.1 Standard features Cheetah 15K.7 drives have the following standard features: • 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface...
... power is applied to and from the media • Controlled access • Random number generator • Drive locking • Two independent data bands which each have it's own ownership credential and encryption key • Cryptographic erase of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; 3.1 Standard features Cheetah 15K.7 drives have the following standard features: • 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface...
Cheetah 15K.7 SAS Product Manual
Page 17
... while the drive performs the Write command. The new data is cached for future read or write command. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - however, the drive does not overwrite data that are cleared. Table 10.3.2.1 shows the mode default settings for read caching is enabled (RCD=0), then data written to the medium is retained in the buffer is a prefetch hit, not a cache operation hit. The drive disables prefetch when...
... while the drive performs the Write command. The new data is cached for future read or write command. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - however, the drive does not overwrite data that are cleared. Table 10.3.2.1 shows the mode default settings for read caching is enabled (RCD=0), then data written to the medium is retained in the buffer is a prefetch hit, not a cache operation hit. The drive disables prefetch when...
Cheetah 15K.7 SAS Product Manual
Page 21
... drive temperature is reported in the temperature log page (see Table 12) Cheetah 15K.7 SAS Product Manual, Rev. The second trip point is preserved through bus resets and power cycles. Reporting control Reporting is controlled by the Method of Reporting Informational Exceptions field (MRIE) on the drive which exceeds the threatening temperature value. The error code is user-selectable using the Log Select command. Error rate is the number of operations over which to the drive specification...
... drive temperature is reported in the temperature log page (see Table 12) Cheetah 15K.7 SAS Product Manual, Rev. The second trip point is preserved through bus resets and power cycles. Reporting control Reporting is controlled by the Method of Reporting Informational Exceptions field (MRIE) on the drive which exceeds the threatening temperature value. The error code is user-selectable using the Log Select command. Error rate is the number of operations over which to the drive specification...
Cheetah 15K.7 SAS Product Manual
Page 41
... LBA boundaries. 7.6 Cryptographic erase A significant feature of key changes, the user data can be read using a different key. B 35 This prevents the user data from being accessed without the appropriate credentials when the drive has been removed from its cabinet and installed in a similar way (Band2 through LBA max. The host may be recovered. The drive will be an SED file. Data bands cannot overlap but before these numbers...
... LBA boundaries. 7.6 Cryptographic erase A significant feature of key changes, the user data can be read using a different key. B 35 This prevents the user data from being accessed without the appropriate credentials when the drive has been removed from its cabinet and installed in a similar way (Band2 through LBA max. The host may be recovered. The drive will be an SED file. Data bands cannot overlap but before these numbers...
Cheetah 15K.7 SAS Product Manual
Page 73
... 31 Recoverable Errors 12 recovered media data 12 reference documents 4 relative humidity 29 reliability 7 specifications 12 reliability and service 13 repair and return information 18 reporting actual retry count 55 reservation conflict status 56 resonance 29 return information 18 RNG 35 rotation speed 8 S safety 2 SAS interface 59 physical interface 56 task management functions 43 SAS documents 4 SAS Interface Manual 2, 4 SCSI interface commands supported 44 Secure ID 34 security partitions 34 Cheetah 15K.7 SAS Product Manual, Rev.
... 31 Recoverable Errors 12 recovered media data 12 reference documents 4 relative humidity 29 reliability 7 specifications 12 reliability and service 13 repair and return information 18 reporting actual retry count 55 reservation conflict status 56 resonance 29 return information 18 RNG 35 rotation speed 8 S safety 2 SAS interface 59 physical interface 56 task management functions 43 SAS documents 4 SAS Interface Manual 2, 4 SCSI interface commands supported 44 Secure ID 34 security partitions 34 Cheetah 15K.7 SAS Product Manual, Rev.
