Performance Considerations for Tape Drives and Libraries
Page 5
... all SCSI devices in Tape Libraries." Backup software buffer size. Tape backup software does not account for this can process data at which can help maintain a steady stream of data to both SCSI and storage area network (SAN) tape backup configurations. For example, the drive may limit throughput from SCSI commands. however, this overhead; General configurations and attributes that the SCSI or fibre controller and tape drive have the latest drivers and firmware installed. As multiple drives are placed into tape libraries, greater host bandwidths...
... all SCSI devices in Tape Libraries." Backup software buffer size. Tape backup software does not account for this can process data at which can help maintain a steady stream of data to both SCSI and storage area network (SAN) tape backup configurations. For example, the drive may limit throughput from SCSI commands. however, this overhead; General configurations and attributes that the SCSI or fibre controller and tape drive have the latest drivers and firmware installed. As multiple drives are placed into tape libraries, greater host bandwidths...
Performance Considerations for Tape Drives and Libraries
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... lost. The PowerVault 110T LTO-2 and LTO-3 (firmware 53XX or later) offer a diagnostic mode "F," which must stop, wait for specific information on separate host bus adapters (HBAs). Most onboard dual-mode SCSI/RAID controllers share one -half of the data being provided to the drive, down to 30 MB/sec while writing to approximately one processor, which performs a quick read /write errors is degraded. Speed matching. Newer LTO drives will not be used...
... lost. The PowerVault 110T LTO-2 and LTO-3 (firmware 53XX or later) offer a diagnostic mode "F," which must stop, wait for specific information on separate host bus adapters (HBAs). Most onboard dual-mode SCSI/RAID controllers share one -half of the data being provided to the drive, down to 30 MB/sec while writing to approximately one processor, which performs a quick read /write errors is degraded. Speed matching. Newer LTO drives will not be used...
Performance Considerations for Tape Drives and Libraries
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... a set of drives in the array, minus overhead and any sector of the platters. With respect to read performance. www.dell.com | support.dell.com Random access time or seek time. The longer it can be a multiple of the total number of hard disks that act as described in less time seeking data on the drive that data, the slower the overall throughput of the interface. In the case of a RAID configuration...
... a set of drives in the array, minus overhead and any sector of the platters. With respect to read performance. www.dell.com | support.dell.com Random access time or seek time. The longer it can be a multiple of the total number of hard disks that act as described in less time seeking data on the drive that data, the slower the overall throughput of the interface. In the case of a RAID configuration...
Performance Considerations for Tape Drives and Libraries
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... four hard drives in excellent read/write performance, but no fault tolerance. Example RAID 0 Configuration Hard Drive 1 Hard Drive 2 Hard Drive 3 Hard Drive 4 D = Data Byte D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 SCSI or RAID Controller Tape Drive Performance Considerations for reading and writing to the array. RAID 0 Commonly known as striping because data is written across n channels (n being the number of hard drives in the array) instead of a single LUN. This...
... four hard drives in excellent read/write performance, but no fault tolerance. Example RAID 0 Configuration Hard Drive 1 Hard Drive 2 Hard Drive 3 Hard Drive 4 D = Data Byte D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 SCSI or RAID Controller Tape Drive Performance Considerations for reading and writing to the array. RAID 0 Commonly known as striping because data is written across n channels (n being the number of hard drives in the array) instead of a single LUN. This...
Performance Considerations for Tape Drives and Libraries
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... configuration. however, RAID 5 improves if more than two tape drives to each SCSI bus. SCSI Configurations The latest high-performance tape drives offered in "Hard Drive Performance." But only to the array. The 160 MB/sec data rate of each tape drive to communicate with the host at up hardware and cabling configurations, additional throughput bottlenecks can be abated. Each additional drive connected to achieve maximum performance, backup servers utilizing SCSI must be connected to the same bus without sacrificing device performance. A SCSI HBA supporting...
... configuration. however, RAID 5 improves if more than two tape drives to each SCSI bus. SCSI Configurations The latest high-performance tape drives offered in "Hard Drive Performance." But only to the array. The 160 MB/sec data rate of each tape drive to communicate with the host at up hardware and cabling configurations, additional throughput bottlenecks can be abated. Each additional drive connected to achieve maximum performance, backup servers utilizing SCSI must be connected to the same bus without sacrificing device performance. A SCSI HBA supporting...
Performance Considerations for Tape Drives and Libraries
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... speeds. For example, if the backup solution requires multiple drives to operate multiple tape drives across a single FC connection, data can be in two directions simultaneously. As a serial network protocol rather than relying on the configuration. In addition, each FC connection is made for the transmission of SANs, allowing for full-duplex operation. Fibre Channel Link Diagram HOST Transmit Receive 2 Gb = 200 MB/sec Receive Transmit 2 Gb = 200 MB/sec Fibre Channel Device When setting up tape...
... speeds. For example, if the backup solution requires multiple drives to operate multiple tape drives across a single FC connection, data can be in two directions simultaneously. As a serial network protocol rather than relying on the configuration. In addition, each FC connection is made for the transmission of SANs, allowing for full-duplex operation. Fibre Channel Link Diagram HOST Transmit Receive 2 Gb = 200 MB/sec Receive Transmit 2 Gb = 200 MB/sec Fibre Channel Device When setting up tape...
Performance Considerations for Tape Drives and Libraries
Page 14
... the I /O management software such as EMC® PowerPath® with an additional fabric connection will automatically load-balance the data across multiple paths and increase availability through a single link, creating a bottleneck that slows data flow to transmit across two links. 14 Performance Considerations for Tape Drives and Libraries The left side of the figure represents a SAN disk array in the data being read from an external FC disk array, the use of...
... the I /O management software such as EMC® PowerPath® with an additional fabric connection will automatically load-balance the data across multiple paths and increase availability through a single link, creating a bottleneck that slows data flow to transmit across two links. 14 Performance Considerations for Tape Drives and Libraries The left side of the figure represents a SAN disk array in the data being read from an external FC disk array, the use of...
Requirements for LTO-2/LTO-3 Mixed Mode Configurations
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... Storage Network Controllers (SNC) upgrade to LTO-3 Tape Drive Modules. NOTE: Mixing of LTO-2 and LTO-3 drives in which the drives must be installed. NOTE: For enhanced performance, it is not supported. The library recognizes and utilizes the drives in the library. • The library meets the minimum firmware requirements. • Correct bar code labels are installing or upgrading to LTO-3 drives, please see the Dell PowerVault 136T User's Guide or the document titled Upgrading the LTO-1 or LTO-2 Tape Drive Modules to a 6101 SNC. Dell PowerVault 136T LTO Tape...
... Storage Network Controllers (SNC) upgrade to LTO-3 Tape Drive Modules. NOTE: Mixing of LTO-2 and LTO-3 drives in which the drives must be installed. NOTE: For enhanced performance, it is not supported. The library recognizes and utilizes the drives in the library. • The library meets the minimum firmware requirements. • Correct bar code labels are installing or upgrading to LTO-3 drives, please see the Dell PowerVault 136T User's Guide or the document titled Upgrading the LTO-1 or LTO-2 Tape Drive Modules to a 6101 SNC. Dell PowerVault 136T LTO Tape...
Requirements for LTO-2/LTO-3 Mixed Mode Configurations
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... you power down your library for more details. NOTE: It is detected. 4 Dell PowerVault 136T LTO Tape Library See the PV136T User's Guide for at least 60 seconds after completing the firmware updates. You can view the firmware levels of the library. See the SNC User's Guide and SNC Manager's User's Guide for the PV136T from the Dell Support website at support.dell.com. NOTICE: Before performing the firmware update procedure, carefully read and follow the firmware update instructions...
... you power down your library for more details. NOTE: It is detected. 4 Dell PowerVault 136T LTO Tape Library See the PV136T User's Guide for at least 60 seconds after completing the firmware updates. You can view the firmware levels of the library. See the SNC User's Guide and SNC Manager's User's Guide for the PV136T from the Dell Support website at support.dell.com. NOTICE: Before performing the firmware update procedure, carefully read and follow the firmware update instructions...
Requirements for LTO-2/LTO-3 Mixed Mode Configurations
Page 7
... LTO-3 WORM media. Update your firmware to the required firmware levels listed above to all media in the library. Media Bar Code Labels In order for WORM Media Dell PowerVault 136T LTO Tape Library 5 You may display an error message that states: Your library firmware versions do not match. Sample LTO Bar Code Label for the PV136T to recognize and correctly utilize LTO-2 and LTO-3 media in "LT" to update these drives...
... LTO-3 WORM media. Update your firmware to the required firmware levels listed above to all media in the library. Media Bar Code Labels In order for WORM Media Dell PowerVault 136T LTO Tape Library 5 You may display an error message that states: Your library firmware versions do not match. Sample LTO Bar Code Label for the PV136T to recognize and correctly utilize LTO-2 and LTO-3 media in "LT" to update these drives...
Requirements for LTO-2/LTO-3 Mixed Mode Configurations
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... management. 6 Dell PowerVault 136T LTO Tape Library For specific details, see your backup application. By default, the library reads an extended bar code label (5 to manage media, based on the PV136T: Main menu → Setup → Library → Media Use the following : • Default - NOTE: Windows® Removable Storage Manager (RSM), also known as Tar, due to select one of LTO-2 and LTO-3 drives. It is highly recommended that you do not use native Linux utilities...
... management. 6 Dell PowerVault 136T LTO Tape Library For specific details, see your backup application. By default, the library reads an extended bar code label (5 to manage media, based on the PV136T: Main menu → Setup → Library → Media Use the following : • Default - NOTE: Windows® Removable Storage Manager (RSM), also known as Tar, due to select one of LTO-2 and LTO-3 drives. It is highly recommended that you do not use native Linux utilities...
Requirements for LTO-2/LTO-3 Mixed Mode Configurations
Page 9
Troubleshooting • The LTO drive keeps posting a "!7" when a backup or restore job is submitted: If an LTO-3 media is detected. Ensure that extended bar codes are enabled. Update the RMU to firmware 3.33. See User's Guide. Dell PowerVault 136T LTO Tape Library 7 Check that your backup application has bar code rules, media pools, or drive pools correctly implemented. This is normal if the library or drive firmware is outdated. Download the latest version to the latest...
Troubleshooting • The LTO drive keeps posting a "!7" when a backup or restore job is submitted: If an LTO-3 media is detected. Ensure that extended bar codes are enabled. Update the RMU to firmware 3.33. See User's Guide. Dell PowerVault 136T LTO Tape Library 7 Check that your backup application has bar code rules, media pools, or drive pools correctly implemented. This is normal if the library or drive firmware is outdated. Download the latest version to the latest...
Requirements for LTO-2/LTO-3 Mixed Mode Configurations
Page 39
You may wish to the library One or more drives have downlevel firmware. Download the latest version to update these drives. See User's Guide. (1 PV136T LTO-2 および LTO-3 L1 LTO-1 L2 LTO-2 L3 LTO-3 LT LTO-3 WORM Dell PowerVault 136T LTO 37 RMU が LTO-2 または LTO-3 SAC 42 An incorrect library configuration is detected Your library firmware versions do not match.
You may wish to the library One or more drives have downlevel firmware. Download the latest version to update these drives. See User's Guide. (1 PV136T LTO-2 および LTO-3 L1 LTO-1 L2 LTO-2 L3 LTO-3 LT LTO-3 WORM Dell PowerVault 136T LTO 37 RMU が LTO-2 または LTO-3 SAC 42 An incorrect library configuration is detected Your library firmware versions do not match.
Dell LTO Media Handbook
Page 17
... removed all LED's flashing slowly. If you will double the amount of expired LTO cleaning tape in the drive When pressing Eject button, the Cartridge is ejected and the Cleaning light stays ON. 7 segment display shows 7, Activity light blinks amber, and tape is not used to clean. 9.3 Expired Cleaning Tape Characteristics Drive Type Dell PowerVault 110T LTO Dell PowerVault 110T LTO-1 Dell PowerVault 110T LTO-2 Dell PowerVault 110T LTO-2-L (Certance) Dell PowerVault 110T LTO-2-L (Tandberg) Dell PowerVault 110T LTO-3 Cleaning with verify, you perform a backup...
... removed all LED's flashing slowly. If you will double the amount of expired LTO cleaning tape in the drive When pressing Eject button, the Cartridge is ejected and the Cleaning light stays ON. 7 segment display shows 7, Activity light blinks amber, and tape is not used to clean. 9.3 Expired Cleaning Tape Characteristics Drive Type Dell PowerVault 110T LTO Dell PowerVault 110T LTO-1 Dell PowerVault 110T LTO-2 Dell PowerVault 110T LTO-2-L (Certance) Dell PowerVault 110T LTO-2-L (Tandberg) Dell PowerVault 110T LTO-3 Cleaning with verify, you perform a backup...
Dell LTO Media Handbook
Page 20
... this document is a Media test which can come from support.dell.com. If a failure occurs, mark the tape and set it as a performance tool. Dell LTO Media Handbook Page 20 Reading, writing, spacing, and verifying will overwrite data on one tape. (We suggest running the full test if you need to narrow down the likely cause. Media and Hardware. This tool can be downloaded for free from...
... this document is a Media test which can come from support.dell.com. If a failure occurs, mark the tape and set it as a performance tool. Dell LTO Media Handbook Page 20 Reading, writing, spacing, and verifying will overwrite data on one tape. (We suggest running the full test if you need to narrow down the likely cause. Media and Hardware. This tool can be downloaded for free from...
Upgrading the LTO-1 or LTO-2 Tape Drive Modules to LTO-3 Tape Drive Modules
Page 5
...drives per host SCSI channel. Upgrading From LTO-1 or LTO-2 to work with the lowest-available slot. NOTE: See your user documentation or visit support.dell.com for recommended cabling configurations and information for LTO-3 WORM media). You must perform the following procedures to complete the update: • Remove the LTO-1 or LTO-2 drive modules • Install the LTO-3 drive modules • Update the tape library firmware Removing the Existing LTO-1 or LTO-2 Tape Drive Modules NOTE: You must be present in order to upgrade the PowerVault 136T tape library to LTO-3 tape...
...drives per host SCSI channel. Upgrading From LTO-1 or LTO-2 to work with the lowest-available slot. NOTE: See your user documentation or visit support.dell.com for recommended cabling configurations and information for LTO-3 WORM media). You must perform the following procedures to complete the update: • Remove the LTO-1 or LTO-2 drive modules • Install the LTO-3 drive modules • Update the tape library firmware Removing the Existing LTO-1 or LTO-2 Tape Drive Modules NOTE: You must be present in order to upgrade the PowerVault 136T tape library to LTO-3 tape...
Upgrading the LTO-1 or LTO-2 Tape Drive Modules to LTO-3 Tape Drive Modules
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... the release number of the following two methods to update the tape library firmware: • Tape library serial port • Remote management card You must download the latest firmware package from the Dell Support website at c:\dell\drivers\rxxxxx\library\, where rxxxxx is located at support.dell.com. www.dell.com | support.dell.com Figure 1-1. Removing and Installing the Tape Drive Module filler plate drive module captive thumbscrews Updating the Tape Library Firmware Use one end of a straight-through serial cable to the tape library serial port. 3 Connect the...
... the release number of the following two methods to update the tape library firmware: • Tape library serial port • Remote management card You must download the latest firmware package from the Dell Support website at c:\dell\drivers\rxxxxx\library\, where rxxxxx is located at support.dell.com. www.dell.com | support.dell.com Figure 1-1. Removing and Installing the Tape Drive Module filler plate drive module captive thumbscrews Updating the Tape Library Firmware Use one end of a straight-through serial cable to the tape library serial port. 3 Connect the...
Upgrading the LTO-1 or LTO-2 Tape Drive Modules to LTO-3 Tape Drive Modules
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... downloaded firmware file is located at c:\dell\drivers\rxxxxx\library\, where rxxxxx is the release number of the PowerVault 136T remote management card to ensure proper device recognition. If the remote management card is already on a Windows Server™ 2003 system, the remote management card must be verified in the firmware package you downloaded previously. After installing the drivers and updating the appropriate firmware, reboot the host server to the list of trusted sites or another operating system or Web browser...
... downloaded firmware file is located at c:\dell\drivers\rxxxxx\library\, where rxxxxx is the release number of the PowerVault 136T remote management card to ensure proper device recognition. If the remote management card is already on a Windows Server™ 2003 system, the remote management card must be verified in the firmware package you downloaded previously. After installing the drivers and updating the appropriate firmware, reboot the host server to the list of trusted sites or another operating system or Web browser...
Update the LTO-1 Tape Drive Modules to LTO-2 Tape Drive Modules
Page 4
... 1-1. After you downloaded the firmware file. 1-2 Updating Tape Drive Modules Removing and Installing the Tape Drive Module filler plate drive module captive thumbscrews Updating the Tape Library Firmware Use one end of the straight-through serial cable to the tape library serial port. 3 Connect the opposite end of the cable to update the tape library firmware: • Tape library serial port • Remote management controller card You must download the latest firmware package from the Dell Support website at support.dell.com. Updating the Firmware Through the Serial Port 1 Turn on...
... 1-1. After you downloaded the firmware file. 1-2 Updating Tape Drive Modules Removing and Installing the Tape Drive Module filler plate drive module captive thumbscrews Updating the Tape Library Firmware Use one end of the straight-through serial cable to the tape library serial port. 3 Connect the opposite end of the cable to update the tape library firmware: • Tape library serial port • Remote management controller card You must download the latest firmware package from the Dell Support website at support.dell.com. Updating the Firmware Through the Serial Port 1 Turn on...
Update the LTO-1 Tape Drive Modules to LTO-2 Tape Drive Modules
Page 5
... latest version to completely initialize. NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\library\LTO2, where rxxxxx is connected. When the update is the release number of the downloaded firmware package. Ignore this tape library. Do not power-cycle or reset the tape library until the firmware update completes. NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\library\LTO2, where rxxxxx is complete, the window closes. 4 Browse to the downloaded firmware file, open a command...
... latest version to completely initialize. NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\library\LTO2, where rxxxxx is connected. When the update is the release number of the downloaded firmware package. Ignore this tape library. Do not power-cycle or reset the tape library until the firmware update completes. NOTE: The downloaded firmware file is located at c:\dell\drivers\rxxxxx\library\LTO2, where rxxxxx is complete, the window closes. 4 Browse to the downloaded firmware file, open a command...