Hot-Pluggable SAS and SATA Hard Drive Installation Instructions for HP ProLiant Servers
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... to change without notice. a. b. Additional information For the latest information and instructions regarding HP branded or Compaq branded hard drives, such as constituting an additional warranty. Installing the hard drive Follow these steps to identify and remove a failed drive. 2. HP Hot-Pluggable SAS and SATA Hard Drive Installation Instructions for HP ProLiant Servers Read instructions completely before beginning this procedure.
... to change without notice. a. b. Additional information For the latest information and instructions regarding HP branded or Compaq branded hard drives, such as constituting an additional warranty. Installing the hard drive Follow these steps to identify and remove a failed drive. 2. HP Hot-Pluggable SAS and SATA Hard Drive Installation Instructions for HP ProLiant Servers Read instructions completely before beginning this procedure.
Hot-Pluggable SAS and SATA Hard Drive Installation Instructions for HP ProLiant Servers
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... installation is complete. 4. a. Press the ejector button, and pivot the lever to the full open position while installing the drive to ensure a correct latch. Pull the drive from the disk enclosure before installing a new hard drive. b. Remove the failed hard drive from the disk enclosure. 5. a. Keep the ejector lever in the full open position. When the...
... installation is complete. 4. a. Press the ejector button, and pivot the lever to the full open position while installing the drive to ensure a correct latch. Pull the drive from the disk enclosure before installing a new hard drive. b. Remove the failed hard drive from the disk enclosure. 5. a. Keep the ejector lever in the full open position. When the...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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Performance factors for HP ProLiant Serial Attached Storage (SAS) technology brief Abstract...2 Introduction...2 HDD controller technologies ...2 HDD interface technologies ...3 Key HDD design parameters for enterprise environments 3 SAS use for enterprise systems...4 HDD performance comparisons ...5 Performance comparison between SATA and SAS drives 5 Performance comparisons between SAS drives 8 Performance comparisons based on form factor 8 Performance comparisons based on platter speed 11 SAS drive specifications ...13 Conclusion...13 For more information...14 Call to action ...14
Performance factors for HP ProLiant Serial Attached Storage (SAS) technology brief Abstract...2 Introduction...2 HDD controller technologies ...2 HDD interface technologies ...3 Key HDD design parameters for enterprise environments 3 SAS use for enterprise systems...4 HDD performance comparisons ...5 Performance comparison between SATA and SAS drives 5 Performance comparisons between SAS drives 8 Performance comparisons based on form factor 8 Performance comparisons based on platter speed 11 SAS drive specifications ...13 Conclusion...13 For more information...14 Call to action ...14
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... the operating efficiency of publication. Abstract Enterprise-class hard disk drives (HDD) must meet the maximum reliability and scalable performance goals of the enterprise storage system. Hard disk controllers, interfaces, and drives have evolved to the HP technology brief titled "RAID 6 with parity for ...and fault tolerance • RAID 4 - Striping (block level) with HP ADG Technology" available at http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00386950/c00386950.pdf 2 Striping with dual parity for improved performance and fault tolerance2 The choice of RAID strategy ...
... the operating efficiency of publication. Abstract Enterprise-class hard disk drives (HDD) must meet the maximum reliability and scalable performance goals of the enterprise storage system. Hard disk controllers, interfaces, and drives have evolved to the HP technology brief titled "RAID 6 with parity for ...and fault tolerance • RAID 4 - Striping (block level) with HP ADG Technology" available at http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00386950/c00386950.pdf 2 Striping with dual parity for improved performance and fault tolerance2 The choice of RAID strategy ...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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...only. SAS drives, particularly small form factor (SFF) SAS drives, typically have lowest AFR3. 3 The AFR calculations given are slightly lower due to protocol overhead. [2] Through the use of a SATA port multiplier [3] Through the use of SAS port expanders SAS Serial/point-to-point 3 GB/s (300 ... Rate (AFR), better defines the estimated life of these HDD interface technologies. No Yes, to 6 Gb/s # of hours that 0.73 percent of the population of 100,000 drives, 730 could vary depending on manufacturing deviations, material quality, and the actual application environment, among other...
...only. SAS drives, particularly small form factor (SFF) SAS drives, typically have lowest AFR3. 3 The AFR calculations given are slightly lower due to protocol overhead. [2] Through the use of a SATA port multiplier [3] Through the use of SAS port expanders SAS Serial/point-to-point 3 GB/s (300 ... Rate (AFR), better defines the estimated life of these HDD interface technologies. No Yes, to 6 Gb/s # of hours that 0.73 percent of the population of 100,000 drives, 730 could vary depending on manufacturing deviations, material quality, and the actual application environment, among other...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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...tomedium business customers, getting the most storage capacity for large enterprise systems. Compared to 3.5-inch large form factor (LFF) SAS drives, 2.5-inch SFF SAS drives have a cost-per-GB advantage over SFF types. Another important factor to HDD performance is seek time, described as indicated in Table 2. SAS use ... (IOPS) • 30 percent smaller physical size • Up to half the power consumption Increasing HDD density in two 1U HP ProLiant servers Server DL320 G5 DL360 G5 Drive type LFF SAS [1] or SATA SFF SAS or SATA # of RAID strategies as the time from or to the...
...tomedium business customers, getting the most storage capacity for large enterprise systems. Compared to 3.5-inch large form factor (LFF) SAS drives, 2.5-inch SFF SAS drives have a cost-per-GB advantage over SFF types. Another important factor to HDD performance is seek time, described as indicated in Table 2. SAS use ... (IOPS) • 30 percent smaller physical size • Up to half the power consumption Increasing HDD density in two 1U HP ProLiant servers Server DL320 G5 DL360 G5 Drive type LFF SAS [1] or SATA SFF SAS or SATA # of RAID strategies as the time from or to the...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... of SAS and SATA drives4, although performance goals are plots of performance data from tests of comparisons between SATA and SAS drives Systems that support SAS can be configured with HP Smart Array P400 Controller, RAID 1 RELATIVE PERFORMANCE (%) 1000% Sequential Operations, RAID 1 (128 KB) IOMETER 07.30.2004 ...1MB SEQ READ 4KB SEQ WRITE 64KB SEQ WRITE 512KB SEQ WRITE SATA, Non-NCQ 60-GB, 5.4K, 25/75 R/W cache (baseline performance level) SATA, NCQ 120-GB, 5.4K, 25/75 R/W cache SAS, 72-GB, 15K, 25/75 R/W cache 4 Mixing SATA and SAS drives within a logical drive is NOT allowed. 5
... of SAS and SATA drives4, although performance goals are plots of performance data from tests of comparisons between SATA and SAS drives Systems that support SAS can be configured with HP Smart Array P400 Controller, RAID 1 RELATIVE PERFORMANCE (%) 1000% Sequential Operations, RAID 1 (128 KB) IOMETER 07.30.2004 ...1MB SEQ READ 4KB SEQ WRITE 64KB SEQ WRITE 512KB SEQ WRITE SATA, Non-NCQ 60-GB, 5.4K, 25/75 R/W cache (baseline performance level) SATA, NCQ 120-GB, 5.4K, 25/75 R/W cache SAS, 72-GB, 15K, 25/75 R/W cache 4 Mixing SATA and SAS drives within a logical drive is NOT allowed. 5
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE SATA, Non-NCQ 60-GB, 5.4K, 25/75 R/W cache (baseline performance level) SATA, NCQ 120-GB, 5.4K, 25/75 R/W cache SAS, 72-GB, 15K, 25/75 R/W cache 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 ...16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 The HP P400 controller supports NCQ, so the NCQ SATA drives provide an increase in performance over non-NCQ SATA drives. Relative performance: random operations of SAS drives. 6 The SAS arrays, however, are much faster than either of the SATA arrays and...
... RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE SATA, Non-NCQ 60-GB, 5.4K, 25/75 R/W cache (baseline performance level) SATA, NCQ 120-GB, 5.4K, 25/75 R/W cache SAS, 72-GB, 15K, 25/75 R/W cache 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 ...16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 The HP P400 controller supports NCQ, so the NCQ SATA drives provide an increase in performance over non-NCQ SATA drives. Relative performance: random operations of SAS drives. 6 The SAS arrays, however, are much faster than either of the SATA arrays and...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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Throughput performance: random operations of non-NCQ SATA, NCQ SATA, and SAS 2-drive array with HP Smart Array P400 Controller, RAID 1 THROUGHPUT (IOPS) 1000 Random Opeations, RAID 1 (128 KB) IOMETER 07.30.2004 900 800 700 600 500 400 300 200 ... OLTP 8KB RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE SATA, Non-NCQ 60-GB, 5.4K, 25/75 R/W cache SATA, NCQ 120-GB, 5.4K, 25/75 R/W cache SAS, 72-GB, 15K, 25/75 R/W cache 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32...
Throughput performance: random operations of non-NCQ SATA, NCQ SATA, and SAS 2-drive array with HP Smart Array P400 Controller, RAID 1 THROUGHPUT (IOPS) 1000 Random Opeations, RAID 1 (128 KB) IOMETER 07.30.2004 900 800 700 600 500 400 300 200 ... OLTP 8KB RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE SATA, Non-NCQ 60-GB, 5.4K, 25/75 R/W cache SATA, NCQ 120-GB, 5.4K, 25/75 R/W cache SAS, 72-GB, 15K, 25/75 R/W cache 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... on form factor and platter speed, along with HP Smart Array P800 Controller, RAID 0 (128K) % Diff - SFF 15K Performance compared to LFF 15K 72-GB SAS drives with differences in a RAID 0 solution than LFF SAS drive arrays. Performance comparisons between SAS drives This section includes comparisons of SAS drives based on form factor Figures 4 through 8 compare...
... on form factor and platter speed, along with HP Smart Array P800 Controller, RAID 0 (128K) % Diff - SFF 15K Performance compared to LFF 15K 72-GB SAS drives with differences in a RAID 0 solution than LFF SAS drive arrays. Performance comparisons between SAS drives This section includes comparisons of SAS drives based on form factor Figures 4 through 8 compare...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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SFF 15K Performance compared to LFF 15K 72-GB SAS drives with HP Smart Array P800 Controller, RAID 1 (128K) % Diff - Figure 5. Performance comparison: SFF to LFF 15K 130% RAID-1 (128KB) IOMETER 07.30.2004 120% 110% 100% 90% ... RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE Level of performance for LFF SAS drives 2 SFF SAS drives 4 SFF SAS rives 6 SFF SAS drives 8 SFF SAS drives 12 SFF SAS drives 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32...
SFF 15K Performance compared to LFF 15K 72-GB SAS drives with HP Smart Array P800 Controller, RAID 1 (128K) % Diff - Figure 5. Performance comparison: SFF to LFF 15K 130% RAID-1 (128KB) IOMETER 07.30.2004 120% 110% 100% 90% ... RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE Level of performance for LFF SAS drives 2 SFF SAS drives 4 SFF SAS rives 6 SFF SAS drives 8 SFF SAS drives 12 SFF SAS drives 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... SFF 15K 72-GB SAS drive arrays THROUGHPUT (IO Per Second) 4500 4000 3500 3000 2500 2000 1500 1000 500 0 4KB RANDOM READ 4KB RANDOM WRITE SA-P800, RAID-5 (64KB) - SFF 15K 4KB OLTP 8KB RANDOM READ 8KB RANDOM WRITE 4 SFF SAS drives 6 SFF SAS drives 8 SFF SAS drives 12 SFF SAS drives 8KB OLTP IOMETER... 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 10 RAID5 performance of SFF SAS drives with the HP Smart Array P800 Controller using RAID 5 (64K). Figure 6.
... SFF 15K 72-GB SAS drive arrays THROUGHPUT (IO Per Second) 4500 4000 3500 3000 2500 2000 1500 1000 500 0 4KB RANDOM READ 4KB RANDOM WRITE SA-P800, RAID-5 (64KB) - SFF 15K 4KB OLTP 8KB RANDOM READ 8KB RANDOM WRITE 4 SFF SAS drives 6 SFF SAS drives 8 SFF SAS drives 12 SFF SAS drives 8KB OLTP IOMETER... 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 256 128 64 32 16 8 4 2 1 10 RAID5 performance of SFF SAS drives with the HP Smart Array P800 Controller using RAID 5 (64K). Figure 6.
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... depths, user interaction response of users generating requests can result in Figure 7 compare sequential read performance between 10K (rpm) and 15K SFF SAS drives operating as a 6-drive array with an HP Smart Array P800 controller using RAID 5. Performance comparisons based on platter speed The charts in a queue depth of tens or hundreds. Performance...
... depths, user interaction response of users generating requests can result in Figure 7 compare sequential read performance between 10K (rpm) and 15K SFF SAS drives operating as a 6-drive array with an HP Smart Array P800 controller using RAID 5. Performance comparisons based on platter speed The charts in a queue depth of tens or hundreds. Performance...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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...performance, the stripe size should be configured for arrays of three to 128 KB. Random read performance: 10K versus 15K RPM SFF SAS drives, RAID 5 2500 4 KB Random Read 64 KB Random Read 512 KB Random Read 2000 1500 IOPS 1000 500 No. Also, overall... performance scales with the block size set to eight drives, using RAID 5 with array size (number of drives). Note that performance is best when retrieving data blocks that are larger than 10K drive arrays. Figure 8. of drives 3 4 5 6 7 8 3 4 5 6 7 8 3 4 5 6 7 8 10K HDD & P400 controller 15K HDD & ...
...performance, the stripe size should be configured for arrays of three to 128 KB. Random read performance: 10K versus 15K RPM SFF SAS drives, RAID 5 2500 4 KB Random Read 64 KB Random Read 512 KB Random Read 2000 1500 IOPS 1000 500 No. Also, overall... performance scales with the block size set to eight drives, using RAID 5 with array size (number of drives). Note that performance is best when retrieving data blocks that are larger than 10K drive arrays. Figure 8. of drives 3 4 5 6 7 8 3 4 5 6 7 8 3 4 5 6 7 8 10K HDD & P400 controller 15K HDD & ...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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...Gb/s. 146 GB/10K 0.60 ms 4.1 ms 8.0 ms 6.31 watts 8.73 watts Conclusion A variety of 3.5-inch drives, higher drive densities per -gigabyte value. Higher drive densities provide better overall performance, reliability, and lower operating costs. 13 In the mission-critical, performance-oriented, enterprise server environment where hard drive... without notice. SAS drive specifications Table 3 compares the seek time and power consumption of SFF (2.5-inch) SAS drives available from HP at time of currently available SAS drives: http://h18004.www1.hp.com/products/servers/proliantstorage...
...Gb/s. 146 GB/10K 0.60 ms 4.1 ms 8.0 ms 6.31 watts 8.73 watts Conclusion A variety of 3.5-inch drives, higher drive densities per -gigabyte value. Higher drive densities provide better overall performance, reliability, and lower operating costs. 13 In the mission-critical, performance-oriented, enterprise server environment where hard drive... without notice. SAS drive specifications Table 3 compares the seek time and power consumption of SFF (2.5-inch) SAS drives available from HP at time of currently available SAS drives: http://h18004.www1.hp.com/products/servers/proliantstorage...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... forth in the express warranty statements accompanying such products and services. The only warranties for HP SAS drives "Serial ATA technology" technology brief Web address http://h18004.www1.hp.com/products/quickspecs/12244_na/12 244_na.html http://h20000.www2.hp.com/bc/docs/support/SupportManual/c0 0301688/c00301688.pdf "Serial-Attached SCSI technology" technology...
... forth in the express warranty statements accompanying such products and services. The only warranties for HP SAS drives "Serial ATA technology" technology brief Web address http://h18004.www1.hp.com/products/quickspecs/12244_na/12 244_na.html http://h20000.www2.hp.com/bc/docs/support/SupportManual/c0 0301688/c00301688.pdf "Serial-Attached SCSI technology" technology...