DDS-3 Enhancing DAT Reliability, Capacity, and Performance
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...that uses 3.81mm (0.15-inch) wide tape in a helical scan read and write heads in the same direction as the Compaq ProLiant 1200, ProLiant 1600, or ProLiant 2500 servers with DDS-3 format, including the backup software that it moves through the tape path. Unlike other tape technologies that was... to top on the tape, which sits at a 6-degree angle to the tape media (Figure 1). Figure 1: DAT helical scan recording. Compaq has a strong record of providing industry-standard storage solutions to a rotating transport drum, which moves in a drive that use departmental servers, such ...
...that uses 3.81mm (0.15-inch) wide tape in a helical scan read and write heads in the same direction as the Compaq ProLiant 1200, ProLiant 1600, or ProLiant 2500 servers with DDS-3 format, including the backup software that it moves through the tape path. Unlike other tape technologies that was... to top on the tape, which sits at a 6-degree angle to the tape media (Figure 1). Figure 1: DAT helical scan recording. Compaq has a strong record of providing industry-standard storage solutions to a rotating transport drum, which moves in a drive that use departmental servers, such ...
I/O Performance Tuning of Compaq Servers
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...secondary bus. In each of these situations, tuning the performance of the primary PCI bus, bus balancing is seen as the ProLiant 2500 and ProLiant 2500R, you balance the load according to the architecture in bridged-PCI servers. Currently, there are connected to connect multiple ...MB/s, or 100 MB/s to tuning your network maximizes throughput because collisions are eliminated. In order to provide greater performance and connectivity, Compaq ProLiant servers (models 1200 to 7000) use intelligent switches to point communication between PCI devices and the host bus, which holds the CPU...
...secondary bus. In each of these situations, tuning the performance of the primary PCI bus, bus balancing is seen as the ProLiant 2500 and ProLiant 2500R, you balance the load according to the architecture in bridged-PCI servers. Currently, there are connected to connect multiple ...MB/s, or 100 MB/s to tuning your network maximizes throughput because collisions are eliminated. In order to provide greater performance and connectivity, Compaq ProLiant servers (models 1200 to 7000) use intelligent switches to point communication between PCI devices and the host bus, which holds the CPU...
I/O Performance Tuning of Compaq Servers
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... 3. When adding redundant NIC pairs, place both busses already have a network controller installed. PCI Bus Architectures of Compaq Servers 8 3. Note thatSince fewer devices can lower contention, it is the key to have two single-port NICs... would remain balanced. I/O Performance Tuning of ProLiant servers PCI Slot Number 1 2 3 4 5 6 7 8 9 10 11 Bridged PCI Bus Systems Peered PCI Bus Systems ProLiant 2500 ProLiant 1200 ProLiant 1600 ProLiant 3000/ ProLiant 5000 ProLiant 6000/ ProLiant 5500 ProLiant 7000 Secondary Secondary Secondary Primary Secondary Secondary Secondary...
... 3. When adding redundant NIC pairs, place both busses already have a network controller installed. PCI Bus Architectures of Compaq Servers 8 3. Note thatSince fewer devices can lower contention, it is the key to have two single-port NICs... would remain balanced. I/O Performance Tuning of ProLiant servers PCI Slot Number 1 2 3 4 5 6 7 8 9 10 11 Bridged PCI Bus Systems Peered PCI Bus Systems ProLiant 2500 ProLiant 1200 ProLiant 1600 ProLiant 3000/ ProLiant 5000 ProLiant 6000/ ProLiant 5500 ProLiant 7000 Secondary Secondary Secondary Primary Secondary Secondary Secondary...
PCI Bus Numbering in a Microsoft Windows NT Environment
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... 2 - Sec Bus Slot 8 - This matrix can help you will see that there are dual-peer PCI Bus architecture servers. The ProLiant 2500 servers consist of the bridged PCI Bus architecture, and all of detection matrix Bus Detect/ Order Controller Discovery 1st 2nd 3rd 4th 5th 6th... Appendix D, Order of Detection for Retired Compaq ProLiant Servers Table 18 lists the PCI bus detection order, Primary and Secondary bus locations, and slot numbers for the several retired ProLiant servers. Pri Bus Slot 5 - Pri Bus Slot 6 - Sec Bus ProLiant 3000/ ProLiant 5500 Primary Host to PCI Bridge Slot...
... 2 - Sec Bus Slot 8 - This matrix can help you will see that there are dual-peer PCI Bus architecture servers. The ProLiant 2500 servers consist of the bridged PCI Bus architecture, and all of detection matrix Bus Detect/ Order Controller Discovery 1st 2nd 3rd 4th 5th 6th... Appendix D, Order of Detection for Retired Compaq ProLiant Servers Table 18 lists the PCI bus detection order, Primary and Secondary bus locations, and slot numbers for the several retired ProLiant servers. Pri Bus Slot 5 - Pri Bus Slot 6 - Sec Bus ProLiant 3000/ ProLiant 5500 Primary Host to PCI Bridge Slot...
Performance of Microsoft Exchange Server 4.0 on Compaq ProLiant Servers
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444A/0696 WHITE PAPER (cont.) 1...1 Pentium/100 PENTIUM/100 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 4500 Processor Subsystem 1,2,4 Pentium/100, 512 KByte L2 cache System Memory 128 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 ...8226; The server very quickly consumes processor resource with a single CPU. Relative Score performance of a second CPU because Exchange is better) 2500 Score 2000 1P 1500 2P 4P 1000 500 0 300 500 600 800 1000 1200 Number of Users Figure 2. Pentium/100 Exchange Server hardware configuration LoadSim Score ...
444A/0696 WHITE PAPER (cont.) 1...1 Pentium/100 PENTIUM/100 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 4500 Processor Subsystem 1,2,4 Pentium/100, 512 KByte L2 cache System Memory 128 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 ...8226; The server very quickly consumes processor resource with a single CPU. Relative Score performance of a second CPU because Exchange is better) 2500 Score 2000 1P 1500 2P 4P 1000 500 0 300 500 600 800 1000 1200 Number of Users Figure 2. Pentium/100 Exchange Server hardware configuration LoadSim Score ...
Performance of Microsoft Exchange Server 4.0 on Compaq ProLiant Servers
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...WHITE PAPER (cont.) NOTE: These test results are added. Pentium/133 PENTIUM/133 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 4500 Processor Subsystem 1,2 Pentium/133, 2 Mbyte L2 cache System Memory 128 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 ...1...2 • This example also shows how there is better) 2500 Score 2000 1P 1500 2P 1000 500 0 300 500 800 1000 Number of Users 1200 Figure 3. Pentium/133 Exchange Server hardware configuration LoadSim Score vs. # Users ProLiant 4500, Pentium/133 - 2MB L2 3000 (lower score is little...
...WHITE PAPER (cont.) NOTE: These test results are added. Pentium/133 PENTIUM/133 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 4500 Processor Subsystem 1,2 Pentium/133, 2 Mbyte L2 cache System Memory 128 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 ...1...2 • This example also shows how there is better) 2500 Score 2000 1P 1500 2P 1000 500 0 300 500 800 1000 Number of Users 1200 Figure 3. Pentium/133 Exchange Server hardware configuration LoadSim Score vs. # Users ProLiant 4500, Pentium/133 - 2MB L2 3000 (lower score is little...
Performance of Microsoft Exchange Server 4.0 on Compaq ProLiant Servers
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...of the Pentium/166. Pentium/166 Exchange Server hardware configuration LoadSim Score vs. # Users ProLiant 4500, Pentium/166 - 2MB L2 3000 (lower score is better) 2500 Score 2000 1P 1500 2P 1000 500 0 300 500 800 1000 Number of Pentium/166. • The ...performance of Users 1200 Figure 4. 444A/0696 WHITE PAPER (cont.) 1...4 Pentium/166 PENTIUM/166 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 4500 Processor Subsystem 1,2 Pentium/166, 2 Mbyte L2 cache System Memory 128 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 controller Pagefile ...
...of the Pentium/166. Pentium/166 Exchange Server hardware configuration LoadSim Score vs. # Users ProLiant 4500, Pentium/166 - 2MB L2 3000 (lower score is better) 2500 Score 2000 1P 1500 2P 1000 500 0 300 500 800 1000 Number of Pentium/166. • The ...performance of Users 1200 Figure 4. 444A/0696 WHITE PAPER (cont.) 1...4 Pentium/166 PENTIUM/166 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 4500 Processor Subsystem 1,2 Pentium/166, 2 Mbyte L2 cache System Memory 128 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 controller Pagefile ...
Performance of Microsoft Exchange Server 4.0 on Compaq ProLiant Servers
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...email and public folder tasks in previous tests. Single CPU Processor Subsystem Comparison Figures 6 and 7 show a comparison of the performance of Users 1500 Figure 5. Figure6 compares single CPU configurations. Relative Score performance of Pentium Pro/166. • This data illustrates the increased power of the disk... that the system would likely be due to the system. 444A/0696 WHITE PAPER (cont.) 1...6 3000 LoadSim Score vs. # Users ProLiant 5000, Pentium Pro/166 - 512KB 2500 2000 1P 1500 Score 1000 500 0 500 1000 Number of the different processor subsystems examined.
...email and public folder tasks in previous tests. Single CPU Processor Subsystem Comparison Figures 6 and 7 show a comparison of the performance of Users 1500 Figure 5. Figure6 compares single CPU configurations. Relative Score performance of Pentium Pro/166. • This data illustrates the increased power of the disk... that the system would likely be due to the system. 444A/0696 WHITE PAPER (cont.) 1...6 3000 LoadSim Score vs. # Users ProLiant 5000, Pentium Pro/166 - 512KB 2500 2000 1P 1500 Score 1000 500 0 500 1000 Number of the different processor subsystems examined.
Performance of Microsoft Exchange Server 4.0 on Compaq ProLiant Servers
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444A/0696 WHITE PAPER (cont.) 2...0 PENTIUM PRO/166 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 5000 Processor Subsystem 1 Pentium Pro/166, 512 Kbyte L2 cache System Memory 128/ 256 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 controller Pagefile and ... Each IS buffer is 4 Kbytes in size, so a net of 32768 buffers are allocated to allocate 128 Mbytes of Users 1500 39 MB 167 MB Figure 9. Score 4000 3500 3000 2500 2000 1500 1000 500 0 500 LoadSim Score vs. # Users Effect of increasing IS Buffer by adding 128 Mbytes of adding extra IS...
444A/0696 WHITE PAPER (cont.) 2...0 PENTIUM PRO/166 EXCHANGE SERVER HARDWARE CONFIGURATION Machine Class Compaq ProLiant 5000 Processor Subsystem 1 Pentium Pro/166, 512 Kbyte L2 cache System Memory 128/ 256 Mbytes Disk Subsystem Integrated Fast Wide SCSI-2 controller Pagefile and ... Each IS buffer is 4 Kbytes in size, so a net of 32768 buffers are allocated to allocate 128 Mbytes of Users 1500 39 MB 167 MB Figure 9. Score 4000 3500 3000 2500 2000 1500 1000 500 0 500 LoadSim Score vs. # Users Effect of increasing IS Buffer by adding 128 Mbytes of adding extra IS...
Compaq Backup and Recovery for Microsoft SQL Server 6.X
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...the system, as database servers, with the following hardware: Compaq Proliant 2500 Server with 1 P6/200 processor board. 1 Compaq SMART-2 Array PCI controller (C875). 1 Compaq External Storage cabinet with 5 Fast-Wide disk drives. 1 Compaq NetFlex-3 PCI 10/100 TX UTP card. Two other ...to additional Wide-Ultra SCSI controllers. Database Server: Compaq Proliant 5000 Server with 4 P6/166 processor boards. 1 Compaq SMART-2 Array PCI controller (C875). 1 Compaq External Storage cabinet with 4 Fast-Wide disk drives. 1 Compaq Integrated Netelligent 10/100 TX PCI card. The system...
...the system, as database servers, with the following hardware: Compaq Proliant 2500 Server with 1 P6/200 processor board. 1 Compaq SMART-2 Array PCI controller (C875). 1 Compaq External Storage cabinet with 5 Fast-Wide disk drives. 1 Compaq NetFlex-3 PCI 10/100 TX UTP card. Two other ...to additional Wide-Ultra SCSI controllers. Database Server: Compaq Proliant 5000 Server with 4 P6/166 processor boards. 1 Compaq SMART-2 Array PCI controller (C875). 1 Compaq External Storage cabinet with 4 Fast-Wide disk drives. 1 Compaq Integrated Netelligent 10/100 TX PCI card. The system...
Compaq Backup and Recovery for Microsoft SQL Server 6.X
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... number of bytes transmitted without very much interruption. This layout ensures that enough bandwidth remains on the network: two Proliant 5000 systems and two Proliant 2500 systems73. Idle periods result in the Windows NT registry (called TcpWindowSize). The default size (with high delay or ...four network cards within the single storage server. Four database servers are more than the instantaneous transfer rate between successive transmissions. Compaq Backup and Recovery for Microsoft SQL Server 6.x Page 52 network utilization, it must pause and wait for the purposes of...
... number of bytes transmitted without very much interruption. This layout ensures that enough bandwidth remains on the network: two Proliant 5000 systems and two Proliant 2500 systems73. Idle periods result in the Windows NT registry (called TcpWindowSize). The default size (with high delay or ...four network cards within the single storage server. Four database servers are more than the instantaneous transfer rate between successive transmissions. Compaq Backup and Recovery for Microsoft SQL Server 6.x Page 52 network utilization, it must pause and wait for the purposes of...