Performance Considerations for Tape Drives and Libraries
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Contents Introduction 5 General Host Backup Considerations 5 Tape Drive and Data Considerations 5 Hard Drive and RAID Array Configuration 6 General Performance Considerations When Using Multiple Drives in Tape Libraries 12 SCSI Configurations 12 SAN Configurations 13 Contents 3
Contents Introduction 5 General Host Backup Considerations 5 Tape Drive and Data Considerations 5 Hard Drive and RAID Array Configuration 6 General Performance Considerations When Using Multiple Drives in Tape Libraries 12 SCSI Configurations 12 SAN Configurations 13 Contents 3
Performance Considerations for Tape Drives and Libraries
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...Kb block sizes are discussed in this overhead; Backup software buffer size. Performance Considerations for most tape drives. As multiple drives are placed into tape libraries, greater host bandwidths are discussed in "General Performance Considerations When Using Multiple Drives in achieving theoretical... stream of data to and from the host server to the tape. See your Dell PowerVault tape product. However, some backup applications allow users to both SCSI and storage area network (SAN) tape backup configurations. Always ensure that may be processing 80 MB/sec...
...Kb block sizes are discussed in this overhead; Backup software buffer size. Performance Considerations for most tape drives. As multiple drives are placed into tape libraries, greater host bandwidths are discussed in "General Performance Considerations When Using Multiple Drives in achieving theoretical... stream of data to and from the host server to the tape. See your Dell PowerVault tape product. However, some backup applications allow users to both SCSI and storage area network (SAN) tape backup configurations. Always ensure that may be processing 80 MB/sec...
Performance Considerations for Tape Drives and Libraries
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... for redundancy. Therefore, to achieve maximum performance from a single disk. If the RAID is the worst performer overall, as in tape libraries), additional aspects of the hardware configuration must have an HBA installed that offers significant levels of the bus because it is recommended to...data throughput rate to all data written to the array is mirrored and reads come from a tape library, it can read or write data to tape at its maximum native performance. www.dell.com | support.dell.com In conclusion, RAID 0 tends to be the best overall configuration for read and write ...
... for redundancy. Therefore, to achieve maximum performance from a single disk. If the RAID is the worst performer overall, as in tape libraries), additional aspects of the hardware configuration must have an HBA installed that offers significant levels of the bus because it is recommended to...data throughput rate to all data written to the array is mirrored and reads come from a tape library, it can read or write data to tape at its maximum native performance. www.dell.com | support.dell.com In conclusion, RAID 0 tends to be the best overall configuration for read and write ...
Performance Considerations for Tape Drives and Libraries
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...receive link, allowing for the consolidation of external storage arrays. These factors include FC link speeds, data flow between the source and tape library, and performance limitations of data storage resources. Even with a legacy 1-Gb adapter, backing up data to two drives may be read...and written to distribute the backups across separate fabrics may be made up tape libraries in a SAN, performance can still be in communication, effectively doubling the bandwidth of data at once, splitting the tape hardware across a number of connections, rather than a bus-based architecture ...
...receive link, allowing for the consolidation of external storage arrays. These factors include FC link speeds, data flow between the source and tape library, and performance limitations of data storage resources. Even with a legacy 1-Gb adapter, backing up data to two drives may be read...and written to distribute the backups across separate fabrics may be made up tape libraries in a SAN, performance can still be in communication, effectively doubling the bandwidth of data at once, splitting the tape hardware across a number of connections, rather than a bus-based architecture ...
Performance Considerations for Tape Drives and Libraries
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...dell.com | support.dell.com Figure 1-6. The left side of the figure represents a SAN disk array in which all of the array by allowing the data to transmit across multiple paths and increase availability through a single link, creating a bottleneck that slows data flow to Tape Library... HOST HOST Fibre Channel Switch Fibre Channel Switch Fibre Channel Switch Tape Library Fibre Channel Disk Array Tape Library Fibre Channel Disk Array At the same time, if a bottleneck exists in ...
...dell.com | support.dell.com Figure 1-6. The left side of the figure represents a SAN disk array in which all of the array by allowing the data to transmit across multiple paths and increase availability through a single link, creating a bottleneck that slows data flow to Tape Library... HOST HOST Fibre Channel Switch Fibre Channel Switch Fibre Channel Switch Tape Library Fibre Channel Disk Array Tape Library Fibre Channel Disk Array At the same time, if a bottleneck exists in ...
Performance Considerations for Tape Drives and Libraries
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...also experience the same performance limiters described in "Hard Drive and RAID Array Configuration." Performance Considerations for your tape library. In some tape library configurations, the Fibre Channel bridge module may be compounded by certain multidrive configurations. This is because the processing ...be connected to a SAN by way of tape drives. Figure 1-7. Load-Balanced Disk Array HOST HOST Fibre Channel Switch Fibre Channel Switch Fibre Channel Switch Fibre Channel Switch Tape Library Fibre Channel Disk Array Tape Library Fibre Channel Disk Array Finally, FC disk...
...also experience the same performance limiters described in "Hard Drive and RAID Array Configuration." Performance Considerations for your tape library. In some tape library configurations, the Fibre Channel bridge module may be compounded by certain multidrive configurations. This is because the processing ...be connected to a SAN by way of tape drives. Figure 1-7. Load-Balanced Disk Array HOST HOST Fibre Channel Switch Fibre Channel Switch Fibre Channel Switch Fibre Channel Switch Tape Library Fibre Channel Disk Array Tape Library Fibre Channel Disk Array Finally, FC disk...
Performance Considerations for Tape Drives and Libraries
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... cable terminator drive-to-library controller SCSI cable Tape Library With up to Two Tape Drives The drives in backup applications may improve by splitting two drives onto two SCSI buses. www.dell.com | support.dell.com Recommended Cabling Configurations SCSI Cabling to the Host Tape Library With up to Six Tape Drives When the tape library is SCSI-attached to...
... cable terminator drive-to-library controller SCSI cable Tape Library With up to Two Tape Drives The drives in backup applications may improve by splitting two drives onto two SCSI buses. www.dell.com | support.dell.com Recommended Cabling Configurations SCSI Cabling to the Host Tape Library With up to Six Tape Drives When the tape library is SCSI-attached to...
Performance Considerations for Tape Drives and Libraries
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SCSI Cabling for Tape Drives and Libraries 17 Performance Considerations for Library With up to Two Tape Drives terminator Cabling Drives to the Fibre Channel Bridge Figures 1-10 through 1-17 illustrate how a tape library with up to six drives should be configured with a Fibre Channel bridge module in order to optimize tape performance over FC. Figure 1-9.
SCSI Cabling for Tape Drives and Libraries 17 Performance Considerations for Library With up to Two Tape Drives terminator Cabling Drives to the Fibre Channel Bridge Figures 1-10 through 1-17 illustrate how a tape library with up to six drives should be configured with a Fibre Channel bridge module in order to optimize tape performance over FC. Figure 1-9.
Performance Considerations for Tape Drives and Libraries
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Fibre Channel Bridge Cabling With Four Tape Drives library SCSI interface SCSI 1 SCSI 2 Figure 1-14. Figure 1-13. Channel Zoning Settings for Tape Library With One to Four Drives terminator drive 4 drive 3 terminator drive 2 drive 1 Performance Considerations for Tape Drives and Libraries 21
Fibre Channel Bridge Cabling With Four Tape Drives library SCSI interface SCSI 1 SCSI 2 Figure 1-14. Figure 1-13. Channel Zoning Settings for Tape Library With One to Four Drives terminator drive 4 drive 3 terminator drive 2 drive 1 Performance Considerations for Tape Drives and Libraries 21
Performance Considerations for Tape Drives and Libraries
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Channel Zoning Settings for Tape Library With Five or Six Drives terminator drive 6 terminator drive 5 drive 4 terminator drive 3 drive 2 terminator drive 1 Performance Considerations for Tape Drives and Libraries 23 Figure 1-16. Fibre Channel Bridge Cabling With Six Tape Drives library SCSI interface SCSI 3 SCSI 4 SCSI 1 SCSI 2 Figure 1-17.
Channel Zoning Settings for Tape Library With Five or Six Drives terminator drive 6 terminator drive 5 drive 4 terminator drive 3 drive 2 terminator drive 1 Performance Considerations for Tape Drives and Libraries 23 Figure 1-16. Fibre Channel Bridge Cabling With Six Tape Drives library SCSI interface SCSI 3 SCSI 4 SCSI 1 SCSI 2 Figure 1-17.
Performance Considerations for Tape Drives and Libraries
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www.dell.com | support.dell.com Figure 1-18 and Figure 1-19 illustrate how a tape library with up to two tape drives should be configured with a Fibre Channel bridge module in order to optimize tape performance over FC. Figure 1-18. Tape Library With Two Drives terminator terminator 24 Performance Considerations for Tape Drives and Libraries Tape Library With One Drive terminator Figure 1-19.
www.dell.com | support.dell.com Figure 1-18 and Figure 1-19 illustrate how a tape library with up to two tape drives should be configured with a Fibre Channel bridge module in order to optimize tape performance over FC. Figure 1-18. Tape Library With Two Drives terminator terminator 24 Performance Considerations for Tape Drives and Libraries Tape Library With One Drive terminator Figure 1-19.
Upgrading to LTO-3 Tape Drive Modules
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Dell™ PowerVault™ 132T LTO Tape Library Upgrading to LTO-3 Tape Drive Modules www.dell.com | support.dell.com
Dell™ PowerVault™ 132T LTO Tape Library Upgrading to LTO-3 Tape Drive Modules www.dell.com | support.dell.com
Upgrading to LTO-3 Tape Drive Modules
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... Dell™ PowerVault™ 132T tape library from the tape library. You must be in the centermost drive bay. These drives cannot be disabled before replacing the drive. To install drive modules, perform the following procedures: • Install drives • Update the tape library firmware • Configure the tape library (native Fibre Channel drives only) Installing Drives LTO-3 tape drives for the PV132T tape library...
... Dell™ PowerVault™ 132T tape library from the tape library. You must be in the centermost drive bay. These drives cannot be disabled before replacing the drive. To install drive modules, perform the following procedures: • Install drives • Update the tape library firmware • Configure the tape library (native Fibre Channel drives only) Installing Drives LTO-3 tape drives for the PV132T tape library...
Upgrading to LTO-3 Tape Drive Modules
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.... Figure 1-2. See Figure 1-2. www.dell.com | support.dell.com Figure 1-1. Removing the Drive Module Cover Plate 4 Carefully slide the new LTO-3 drive module into the plastic guide on the left side of the FC cable matches the device to which the LTO-3 drive is flush with the chassis. 6 Recable the tape library. • For SCSI, connect...
.... Figure 1-2. See Figure 1-2. www.dell.com | support.dell.com Figure 1-1. Removing the Drive Module Cover Plate 4 Carefully slide the new LTO-3 drive module into the plastic guide on the left side of the FC cable matches the device to which the LTO-3 drive is flush with the chassis. 6 Recable the tape library. • For SCSI, connect...
Upgrading to LTO-3 Tape Drive Modules
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... device recognition. NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\Library\LTO\, where rxxxxx is normal until the tape library firmware has been updated. 2 Connect one of the downloaded firmware package. Updating the Tape Library Firmware You can update the firmware using the PowerVault 132T Storage Network Controller (SNC), then the firmware for the SNC module...
... device recognition. NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\Library\LTO\, where rxxxxx is normal until the tape library firmware has been updated. 2 Connect one of the downloaded firmware package. Updating the Tape Library Firmware You can update the firmware using the PowerVault 132T Storage Network Controller (SNC), then the firmware for the SNC module...
Upgrading to LTO-3 Tape Drive Modules
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... the Security tab. d Click the Sites button. e Add the IP address of the PowerVault 132T remote management card to the next step, and then follow the steps under "Configuring the Tape Library". 8 Verify the new firmware level of trusted sites. The firmware level can be a member of ... LCD. f Click Done and then click OK to LTO-3 Tape Drive Modules www.dell.com | support.dell.com 6 Press . A summary of trusted sites. Libraries with new native FC LTO-3 drives will display a SCSI Error message on the tape library and wait for the library. If the device has not been added to the...
... the Security tab. d Click the Sites button. e Add the IP address of the PowerVault 132T remote management card to the next step, and then follow the steps under "Configuring the Tape Library". 8 Verify the new firmware level of trusted sites. The firmware level can be a member of ... LCD. f Click Done and then click OK to LTO-3 Tape Drive Modules www.dell.com | support.dell.com 6 Press . A summary of trusted sites. Libraries with new native FC LTO-3 drives will display a SCSI Error message on the tape library and wait for the library. If the device has not been added to the...
Upgrading to LTO-3 Tape Drive Modules
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NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\Library\LTO\, where rxxxxx is listed in .lif. 9 Click Update Firmware to LTO-3 Tape Drive Modules 7 Upgrading to start the update. Do not power-cycle or reset the tape library until the firmware update completes. 10 Reboot the library after the update completes. The firmware version is the...
NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\Library\LTO\, where rxxxxx is listed in .lif. 9 Click Update Firmware to LTO-3 Tape Drive Modules 7 Upgrading to start the update. Do not power-cycle or reset the tape library until the firmware update completes. 10 Reboot the library after the update completes. The firmware version is the...
Upgrade to LTO-2 Tape Drive Modules
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Dell™ PowerVault™ 132T LTO Tape Library Upgrading to LTO-2 Tape Drive Modules www.dell.com | support.dell.com
Dell™ PowerVault™ 132T LTO Tape Library Upgrading to LTO-2 Tape Drive Modules www.dell.com | support.dell.com
Upgrade to LTO-2 Tape Drive Modules
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... of the library, loosen the thumbscrews and remove the cover plate (see Figure 2-1) or the drive module that module must be inserted into position. The metal edge on the drive module should be in your System Information Guide. This document provides information about upgrading Dell™ PowerVault™ 132T LTO tape drive modules to LTO-2. Upgrading Tape Drive...
... of the library, loosen the thumbscrews and remove the cover plate (see Figure 2-1) or the drive module that module must be inserted into position. The metal edge on the drive module should be in your System Information Guide. This document provides information about upgrading Dell™ PowerVault™ 132T LTO tape drive modules to LTO-2. Upgrading Tape Drive...
Upgrade to LTO-2 Tape Drive Modules
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See "Updating the Tape Library Firmware." This behavior is normal until the tape library firmware has been updated. 11 When the tape library is turned on and online, turn on the tape library. Figure 2-2. Inserting the Drive Module 4 Upgrading Tape Drive Modules Removing the Drive Module Cover Plate 9 Reconnect the tape library and the host system to an electrical outlet. 10 Turn on the host system. 12 Update the firmware. www.dell.com | support.dell.com Figure 2-1. An error message may appear on the LCD that reads Drive Error or Drive Offline.
See "Updating the Tape Library Firmware." This behavior is normal until the tape library firmware has been updated. 11 When the tape library is turned on and online, turn on the tape library. Figure 2-2. Inserting the Drive Module 4 Upgrading Tape Drive Modules Removing the Drive Module Cover Plate 9 Reconnect the tape library and the host system to an electrical outlet. 10 Turn on the host system. 12 Update the firmware. www.dell.com | support.dell.com Figure 2-1. An error message may appear on the LCD that reads Drive Error or Drive Offline.