Hot-Pluggable SAS and SATA Hard Drive Installation Instructions for HP ProLiant Servers
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... Read instructions completely before installing a new hard drive. Refer to the Technical Information area on the HP website at http://www.hp.com/products/harddiskdrives. HP shall not be construed as Hard Drive Compatibility tables, Important cards, and updated installation instructions, refer to the documentation that hard drives remain in a system. Availability of Japanese documentation To view or download Japanese versions of the HP hard drive documentation in the express warranty statements accompanying such products and services...
... Read instructions completely before installing a new hard drive. Refer to the Technical Information area on the HP website at http://www.hp.com/products/harddiskdrives. HP shall not be construed as Hard Drive Compatibility tables, Important cards, and updated installation instructions, refer to the documentation that hard drives remain in a system. Availability of Japanese documentation To view or download Japanese versions of the HP hard drive documentation in the express warranty statements accompanying such products and services...
Hot-Pluggable SAS and SATA Hard Drive Installation Instructions for HP ProLiant Servers
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... full open position. When the drive has been fully inserted, close the ejector lever. Keep the ejector lever in the full open position. Pull the drive from the disk enclosure before installing a new hard drive. Prepare the replacement drive for insertion into the disk enclosure. b. Insert the replacement drive into the disk enclosure. b. Pivot the lever to ensure a correct latch. Slide the replacement drive into the disk enclosure. a. a. Remove the failed hard drive from the disk enclosure...
... full open position. When the drive has been fully inserted, close the ejector lever. Keep the ejector lever in the full open position. Pull the drive from the disk enclosure before installing a new hard drive. Prepare the replacement drive for insertion into the disk enclosure. b. Insert the replacement drive into the disk enclosure. b. Pivot the lever to ensure a correct latch. Slide the replacement drive into the disk enclosure. a. a. Remove the failed hard drive from the disk enclosure...
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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... -board data buffering and caching techniques to the HP technology brief titled "Disk Drive Technology Overview" available at time of publication. Mirroring and striping for mission-critical applications. Striping (byte level) with HP ADG Technology" available at http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00386950/c00386950.pdf 2 Serial Attached SCSI (SAS) has become the defacto HDD standard for redundancy and performance improvement • RAID 1+0 (10...
... -board data buffering and caching techniques to the HP technology brief titled "Disk Drive Technology Overview" available at time of publication. Mirroring and striping for mission-critical applications. Striping (byte level) with HP ADG Technology" available at http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00386950/c00386950.pdf 2 Serial Attached SCSI (SAS) has become the defacto HDD standard for redundancy and performance improvement • RAID 1+0 (10...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... maximum performance under a 100 percent duty cycle and continuous I/O workload in percent) between the MTBF and the number of hours that 0.73 percent of the population of HDDs can be expected to express the length of HDD life in general, a more meaningful benchmark, the Annual Failure Rate (AFR), better defines the estimated life of HDD interface technologies SCSI SATA Transfer/connection type Parallel/shared bus Serial...
... maximum performance under a 100 percent duty cycle and continuous I/O workload in percent) between the MTBF and the number of hours that 0.73 percent of the population of HDDs can be expected to express the length of HDD life in general, a more meaningful benchmark, the Annual Failure Rate (AFR), better defines the estimated life of HDD interface technologies SCSI SATA Transfer/connection type Parallel/shared bus Serial...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... power consumption Increasing HDD density in most work (that yields better performance in a RAID-based system invariably enhances the overall performance of drive support in Table 2. Another important factor to HDD performance is seek time, described as indicated in two 1U HP ProLiant servers Server DL320 G5 DL360 G5 Drive type LFF SAS [1] or SATA SFF SAS or SATA # of drives 4 6 RAID support RAID 0, 1 [1] RAID 0, 1, 10, 5, 6 [2] NOTES: [1] Requires optional SAS controller [2] RAID 6 requires P400i with 512MB Battery Backed Write Cache...
... power consumption Increasing HDD density in most work (that yields better performance in a RAID-based system invariably enhances the overall performance of drive support in Table 2. Another important factor to HDD performance is seek time, described as indicated in two 1U HP ProLiant servers Server DL320 G5 DL360 G5 Drive type LFF SAS [1] or SATA SFF SAS or SATA # of drives 4 6 RAID support RAID 0, 1 [1] RAID 0, 1, 10, 5, 6 [2] NOTES: [1] Requires optional SAS controller [2] RAID 6 requires P400i with 512MB Battery Backed Write Cache...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... 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 considered when evaluating systems. Performance comparison between HDD interface types, form factors, and platter speeds. Other factors such as operating system, application environment, controller type, RAID strategy, and general workload also play a part in system performance and should be configured with HP Smart Array P400 Controller, RAID 1 RELATIVE PERFORMANCE (%) 1000% Sequential Operations, RAID...
... 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 considered when evaluating systems. Performance comparison between HDD interface types, form factors, and platter speeds. Other factors such as operating system, application environment, controller type, RAID strategy, and general workload also play a part in system performance and should be configured with HP Smart Array P400 Controller, RAID 1 RELATIVE PERFORMANCE (%) 1000% Sequential Operations, RAID...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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...-NCQ SATA drives. Relative performance: random operations of non-NCQ SATA, NCQ SATA, and SAS 2-drive array with HP Smart Array Controller P400 Controller, RAID 1 RELATIVE PERFORMANCE (%) 700% Random Operations, RAID 1 (128 KB) IOMETER 07.30.2004 600% 500% 400% 300% 200% 100% 0% 4KB RANDOM READ 4KB RANDOM WRITE 4KB 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 (baseline performance level) SATA...
...-NCQ SATA drives. Relative performance: random operations of non-NCQ SATA, NCQ SATA, and SAS 2-drive array with HP Smart Array Controller P400 Controller, RAID 1 RELATIVE PERFORMANCE (%) 700% Random Operations, RAID 1 (128 KB) IOMETER 07.30.2004 600% 500% 400% 300% 200% 100% 0% 4KB RANDOM READ 4KB RANDOM WRITE 4KB 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 (baseline performance level) SATA...
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 900 800 700 600 500 400 300 200 100 0 4KB RANDOM READ 4KB RANDOM WRITE 4KB OLTP 8KB RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE SATA, Non-NCQ 60-GB, 5.4K, 25...
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 900 800 700 600 500 400 300 200 100 0 4KB RANDOM READ 4KB RANDOM WRITE 4KB OLTP 8KB RANDOM READ 8KB RANDOM WRITE 8KB OLTP 64KB RANDOM READ 64KB RANDOM WRITE SATA, Non-NCQ 60-GB, 5.4K, 25...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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While providing maximum storage capacity and performance, RAID 0 does not provide any disk redundancy. 8 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 based on form factor and platter speed, along with HP Smart Array P800 Controller, RAID 0 (128K) % Diff - The following configuration was used for LFF SAS drives 4 SFF SAS drives 6 SFF SAS drives 8 SFF SAS drives 12 SFF SAS drives 256 128 64 32...
While providing maximum storage capacity and performance, RAID 0 does not provide any disk redundancy. 8 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 based on form factor and platter speed, along with HP Smart Array P800 Controller, RAID 0 (128K) % Diff - The following configuration was used for LFF SAS drives 4 SFF SAS drives 6 SFF SAS drives 8 SFF SAS drives 12 SFF SAS drives 256 128 64 32...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... 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 RAID 1 is a strategy for achieving redundancy rather than LFF SAS drives for most RAID 1 configurations. 9 Figure 5. Nevertheless, as indicated in Figure 5, SFF SAS drives provide better performance than enhanced performance. SFF 15K Performance compared to LFF 15K 72-GB SAS drives with HP Smart Array P800 Controller, RAID 1 (128K) % Diff -
... 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 RAID 1 is a strategy for achieving redundancy rather than LFF SAS drives for most RAID 1 configurations. 9 Figure 5. Nevertheless, as indicated in Figure 5, SFF SAS drives provide better performance than enhanced performance. SFF 15K Performance compared to LFF 15K 72-GB SAS drives with HP Smart Array P800 Controller, RAID 1 (128K) % Diff -
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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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 07.30.2004 64KB RANDOM READ 64KB RANDOM WRITE 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 ... 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. Figure 6 illustrates the IOPS performance of various array sizes of SFF 15K 72-GB SAS drive arrays THROUGHPUT (IO Per Second) 4500 4000 3500 3000 2500 2000 1500 1000 500...
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 07.30.2004 64KB RANDOM READ 64KB RANDOM WRITE 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 ... 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. Figure 6 illustrates the IOPS performance of various array sizes of SFF 15K 72-GB SAS drive arrays THROUGHPUT (IO Per Second) 4500 4000 3500 3000 2500 2000 1500 1000 500...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... server environment a large number of users generating requests can increase with an HP Smart Array P800 controller using RAID 5. Performance comparison: 10K versus 15K RPM, RAID 5 controller and 6 SFF SAS drives A: Sequential read, Q1 B: Sequential read, Q4 IOPS IOPS C: Sequential read, Q8 D: Sequential read, Q16 IOPS IOPS E: Sequential read IOPS performance. Although the IOPS rating can result in Figure 7 compare sequential read performance between 10K (rpm) and 15K SFF SAS drives operating as a 6-drive array with greater...
... server environment a large number of users generating requests can increase with an HP Smart Array P800 controller using RAID 5. Performance comparison: 10K versus 15K RPM, RAID 5 controller and 6 SFF SAS drives A: Sequential read, Q1 B: Sequential read, Q4 IOPS IOPS C: Sequential read, Q8 D: Sequential read, Q16 IOPS IOPS E: Sequential read IOPS performance. Although the IOPS rating can result in Figure 7 compare sequential read performance between 10K (rpm) and 15K SFF SAS drives operating as a 6-drive array with greater...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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... block size set to eight drives, using RAID 5 with array size (number 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 & 6402 controller As indicated in this case). Figure 8 compares the random read performance of 10K and 15K SFF SAS drives for the specific application. 12 Random read IOPS than the RAID 5 stripe size (128 KB in Figure 8, 15K drive arrays consistently provide higher random read performance: 10K versus 15K RPM SFF SAS drives, RAID 5 2500 4 KB Random Read 64...
... block size set to eight drives, using RAID 5 with array size (number 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 & 6402 controller As indicated in this case). Figure 8 compares the random read performance of 10K and 15K SFF SAS drives for the specific application. 12 Random read IOPS than the RAID 5 stripe size (128 KB in Figure 8, 15K drive arrays consistently provide higher random read performance: 10K versus 15K RPM SFF SAS drives, RAID 5 2500 4 KB Random Read 64...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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....hp.com/products/servers/proliantstorage/ serial/sas/index.html Table 3. The right HDD type is 100 percent, SFF SAS drives excel in power consumption. Refer to -medium businesses (SMBs) or environments with less-than-demanding applications can be well served with SCSI or SATA drives that provides the best return on investment (ROI) for a listing and specifications of publication. Comparison of seek time and power consumption of HP SFF SAS drives Capacity/RPM Seek time...
....hp.com/products/servers/proliantstorage/ serial/sas/index.html Table 3. The right HDD type is 100 percent, SFF SAS drives excel in power consumption. Refer to -medium businesses (SMBs) or environments with less-than-demanding applications can be well served with SCSI or SATA drives that provides the best return on investment (ROI) for a listing and specifications of publication. Comparison of seek time and power consumption of HP SFF SAS drives Capacity/RPM Seek time...
Performance factors for HP ProLiant Serial Attached Storage (SAS)
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.../docs/support/SupportManual/c0 0302340/c00302340.pdf Call to action Send comments about this paper to change without notice. TC080502TB, May 2008 The information contained herein is subject to TechCom@HP.com. © 2008 Hewlett-Packard Development Company, L.P. The only warranties for technical or editorial errors or omissions contained herein. Nothing herein should be liable for HP products and services are set...
.../docs/support/SupportManual/c0 0302340/c00302340.pdf Call to action Send comments about this paper to change without notice. TC080502TB, May 2008 The information contained herein is subject to TechCom@HP.com. © 2008 Hewlett-Packard Development Company, L.P. The only warranties for technical or editorial errors or omissions contained herein. Nothing herein should be liable for HP products and services are set...