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9 Diagnostic Tools and Performance

In this chapter:

•

“

Diagnostic tools

” on page 57

•

“

Performance Assessment Tools

” on page 59

Diagnostic tools

HP Library & Tape Tools

HP StorageWorks Library & Tape Tools (L&TT) is the recommended diagnostic and support tool for
your HP tape storage product. It is available on the CD shipped with your product or as a free
download from the HP web site. It is supported on nearly all major operating systems. See 

http://

www.hp.com/support/tapetools

 for compatibility information, updates and the latest version of the

tool.

Installing L&TT

The download version is preferred as it is the latest version.

•

Install L&TT on any server that can “see” your drive.

•

This is most likely to be the backup server, but it could be another server if you are using a SAN.

•

You will need the tape driver installed to run the performance tests.

Running L&TT

1.

Install L&TT.

2.

Turn off services that may lock the tape drive, such as backup software services and Removable
Storage Service (RSM).

3.

Double click on the desktop icon.

4.

Use defaults in pop-ups.

DAT USB Tape Drives

57

Содержание DAT 72 USB

Страница 1: ...HP StorageWorks DAT USB Tape Drives User Guide Part number DW049 90902 Second edition September 2009 ...

Страница 2: ...ments accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein WARRANTY STATEMENT To obtain a copy of the warranty for this product see the warranty information website http www hp com go storagewarranty Microsoft Windows Windows XP and Windows NT are U S ...

Страница 3: ...rageWorks Tape CD ROM 17 2 Drivers and backup software 19 Install drivers 19 Installing on Windows 19 Recommended install process before connecting the tape drive 19 Alternative install process after connecting the tape drive 20 Installing on Linux 20 Upgrade backup software 20 Enabling encryption DAT 320 only 21 3 Installing an internal DAT tape drive 23 Prepare mounting bay 23 Attach mounting ha...

Страница 4: ...encryption 46 When should I use encryption 47 How do I enable encryption 47 When will I be asked to enter the key 47 What happens if I don t remember the key 47 Does encryption affect tape drive performance 48 Does the tape drive encrypt media in an earlier DAT format 48 Where can I get more information 48 Write protecting cartridges 48 Cleaning cartridges 49 Expired cleaning cartridges 50 Handlin...

Страница 5: ...ng used Windows 63 Check drivers Linux 64 Frequently asked questions about USB drivers 64 Problems with cartridges 65 The cartridge is jammed 65 The drive will not accept the cartridge or ejects it immediately 65 11 Replacing an internal tape drive 67 To disconnect your drive 67 To reconnect your tape drive 67 12 USB Configuration Guide 69 USB in HP StorageWorks DAT devices 69 USB terminology 69 S...

Страница 6: ...wer cable 29 11 Securing drive example 1 mounting hardware used 30 12 Securing drive example 2 no mounting hardware used 30 13 Connecting power and USB cables DAT 320 tape drives 32 14 Connecting power and USB cables all other models 32 15 Front panel HP StorageWorks DAT 320 external drive 37 16 Front panel HP StorageWorks DAT 160 external drive 38 17 Front panel HP StorageWorks DAT 72 40 and 24 e...

Страница 7: ...ventions 9 1 Power requirements 16 2 LED sequences DAT 320 and DAT 160 tape drives 38 3 Encryption LED DAT 320 tape drives 40 4 Data cartridge compatibility 46 5 Cleaning cartridge compatibility 49 6 DAT USB Tape Drives 7 ...

Страница 8: ...8 ...

Страница 9: ...nd Japanese You can find these documents from the Manuals page of the HP Business Support Center website http www hp com support manuals In the Storage section click Tape Storage and Media and then select your product Document conventions and symbols Table 1 Document conventions Element Convention Cross reference links and e mail addresses Blue text Table 1 website addresses Blue underlined text h...

Страница 10: ...ditional information HP technical support For worldwide technical support information see the HP support website http www hp com support Before contacting HP collect the following information Product model names and numbers Technical support registration number if applicable Product serial numbers Error messages Operating system type and revision level Detailed questions Registering your tape driv...

Страница 11: ...ncements new driver versions firmware updates and other product resources After signing up you can quickly locate your products by selecting Business support and then Storage under Product Category HP websites For additional information see the following HP websites http www hp com http www hp com go storage http www hp com service_locator http www hp com support manuals http www hp com support do...

Страница 12: ...About this guide 12 ...

Страница 13: ...tape drive on page 16 Using the HP StorageWorks Tape CD ROM on page 17 HP StorageWorks DAT models This guide describes how to install and operate the following HP StorageWorks DAT USB tape drive models HP StorageWorks DAT 320 HP StorageWorks DAT 160 HP StorageWorks DAT 72 HP StorageWorks DAT 40 For a detailed product specification please refer to our World Wide Web site http www hp com DAT USB Tap...

Страница 14: ...LED 2 Tape LED 6 Eject button 3 Drive LED Figure 1 Front view of HP StorageWorks DAT 320 tape drive 4 Ready LED 1 Clean LED 5 Eject button 2 Tape LED 3 Drive LED Figure 2 Front view of HP StorageWorks DAT 160 tape drive Before you start 14 ...

Страница 15: ...ut the operating system versions that are supported USB tape drive and cables For optimum performance the drive should be connected to a USB 2 0 port and it should be the only device on the USB bus Although the tape drive will function on USB 1 1 performance will be severely degraded See also Verifying USB installation for optimum performance on page 63 Appropriate USB cables are supplied with you...

Страница 16: ... is provided with your HP StorageWorks DAT tape drive The USB 2 0 cable is pre fitted to the tape drive you cannot remove it Power requirements Power requirements are Table 2 Power requirements Maximum Current Typical Current Voltage DAT 72 40 24 DAT 160 DAT 320 DAT 72 40 24 DAT 160 DAT 320 0 8 A 1 61 A 1 4 A 0 7 A 1 54 A 0 70 A 5 V 1 0 A 1 3 A 1 3 A 0 3 A 0 26 A 0 25 A 12 V What are the mounting ...

Страница 17: ...essories from the server manufacturer before you can install the tape drive Using the HP StorageWorks Tape CD ROM The HP StorageWorks Tape CD ROM is a central source of information about your tape drive with utilities for getting the best performance from your tape drive Use the HP StorageWorks Tape CD ROM to check installation as described in this guide and to verify and troubleshoot performance ...

Страница 18: ...Before you start 18 ...

Страница 19: ... hp_usbstor driver because it offers improved functionality for all tape drive models prior to DAT 320 It must be installed by the user The CD ROM contains a driver install package for the supported Microsoft Windows operating systems see http www hp com go connect If you prefer to use Windows Device Manager to install the tape drivers manually you will find them in the drivers directory on the CD...

Страница 20: ...bility page of our connectivity web site http www hp com go connect It is important to install any recommended upgrades NOTE Native backup applications such as Windows Backup are compatible with DAT tape drives but are not recommended because they do not support the full features of the tape drive and may cause performance problems If using this application the user must always choose 4 mm even wh...

Страница 21: ... reading both at full speed This is only possible with DAT 320 GB media See also DAT 320 tape drives and encryption on page 46 If you wish to make use of the encryption capability you must enable this feature via the backup software application Refer to your supplier to find out which applications support this advanced data protection capability DAT USB Tape Drives 21 ...

Страница 22: ...Drivers and backup software 22 ...

Страница 23: ...amage to the server or tape drive ensure that the server is disconnected from the mains power supply while you install the drive CAUTION Static electricity can damage electronic components Always wear an antistatic wriststrap if one is available If not after you have disconnected power from the server and removed the cover touch a bare metal part of the chassis Similarly touch a bare metal part of...

Страница 24: ... and to check whether mounting hardware is provided with the server or must be purchased separately For more details about mounting hardware refer also to http www hp com go connect NOTE Some servers use non standard mounting rails and do not include spares If this is the case with your system you will have to order these accessories from the server manufacturer before you can install the tape dri...

Страница 25: ... shown in Figure 6 on page 25 Figure 6 Installing tape drive If your server does not use mounting hardware check that the holes in the chassis are aligned with the holes in the side of the tape drive Do not secure the drive at this point because you may have to move the drive to get the cables into place Attach USB cable to the server Decide which cable to use NOTE It is important to ensure that y...

Страница 26: ...gram on the inside of the side panel of the server to establish whether the server has an internal USB port and its location The internal USB port may have a 4 pin or a standard USB connector The 4 pin USB connector on the system board may be orientated vertically or horizontally Figure 7 Orientation of internal 4 pin connector ProLiant header pin layout Connect the USB cable to an internal USB po...

Страница 27: ...u can use the supplied standard USB cable and cable ties to tidy excess cable length Figure 8 Connecting to a standard USB port If your server has a 4 pin USB port select the 4 pin cable that is appropriate for the pin layout on the USB port Figure 9 Connecting to a 4 pin USB port with Intel header pin layout blue DAT USB Tape Drives 27 ...

Страница 28: ...layout red Attach USB and power cable to the tape drive NOTE The drive is not powered from the USB bus It must be connected to the server s power supply 1 Connect the Type B connector on the USB cable to the internal tape drive Installing an internal DAT tape drive 28 ...

Страница 29: ...ble from the server s internal power supply to the power connector 3 tape drive 1 and 5 USB cable to server s internal USB port 6 server s power supply 2 and 4 power cable Figure 11 Attaching power cable DAT USB Tape Drives 29 ...

Страница 30: ...own to lock the tape drive into position 1 plastic rail Figure 12 Securing drive example 1 mounting hardware used 1 M3 screws supplied with tape drive Figure 13 Securing drive example 2 no mounting hardware used 2 Ensure blanking plates are in place over empty bays and replace the cover on the server Installing an internal DAT tape drive 30 ...

Страница 31: ...cting the power and USB cables NOTE The drive is not powered from the USB bus It must be connected to the mains power supply An external HP StorageWorks DAT drive will operate using any voltage in the range 100 240 volts 0 7 A 50 60 Hz No adjustment is needed A power cable is provided with your HP StorageWorks DAT tape drive The USB 2 0 cable is already fitted to the tape drive you cannot remove i...

Страница 32: ...outlet 3 power cable 1 USB cable pre fitted 2 on off button on front panel Figure 14 Connecting power and USB cables DAT 320 tape drives 3 power cable 1 USB cable pre fitted 2 on off switch make sure it is in the OFF position O side down Figure 15 Connecting power and USB cables all other models Installing an external DAT tape drive 32 ...

Страница 33: ...rver NOTE It is important to ensure that you connect your drive to a USB 2 0 port The drive will work on a USB 1 1 port but performance will be severely degraded See also Verifying USB installation for optimum performance on page 63 DAT USB Tape Drives 33 ...

Страница 34: ...Installing an external DAT tape drive 34 ...

Страница 35: ...ights If you installed drivers before connecting the tape drive Windows only The tape drive should be detected automatically and the correct drivers used See Install drivers on page 19 If the Windows Found New Hardware wizard runs cancel it and check that both drivers have been installed as described in Verifying USB installation for optimum performance on page 63 Installing drivers after connecti...

Страница 36: ...nux native backup applications can be used to check basic tape drive operation but they will not support all the advanced features of your tape drive We recommend that you upgrade your software application before running this test Check http www hp com go connect for software compatibility and install any recommended upgrades Verify installation 36 ...

Страница 37: ...DAT 40 tape drives on page 41 LED sequences DAT 72 and DAT 40 tape drives on page 41 Loading and unloading on page 42 Removing power from the drive on page 44 Front panel DAT 320 tape drives 5 drive LED 1 cartridge slot 6 encrypt LED 2 power button and LED external drives only 7 ready LED 3 clean LED 8 eject button 4 tape LED Figure 16 Front panel HP StorageWorks DAT 320 external drive DAT USB Tap...

Страница 38: ... required Cause LED Sequence If LEDs clear in 15 seconds no action is required If they stay on power cycle the drive The drive is resetting or running self test All LEDs ON DAT 320 tape drives only No action is required This is normal All LEDs OFF with no cartridge in the drive 1 Eject the cartridge and load a known good cartridge If the Ready LED remains off there may be a problem with the power ...

Страница 39: ...p DAT 320 tape drives Clean and Tape FLASH The cartridge is ejected automatically and Tape flashes Eject the cartridge Now only the Tape Led flashes Insert a new good cleaning cartridge The cleaning cartridge has expired is used up DAT 160 tape drives Ready Clean and Tape FLASH Unload the tape cartridge Make sure that you are using the correct format cartridge See Use the correct media on page 45 ...

Страница 40: ...ue n c Reading writing encrypted data The En cryption LED flashes with the Ready LED Flashing green Flashing blue n c Encryption parameters loaded but the tape drive is reading writing unencrypted data from another host This is the normal Ready LED operation Flashing green Solid blue n c There is an encryption related error The Drive and Encryption LEDS flash simultan eously n c Fast flashing Fast...

Страница 41: ...follows Meaning Clean LED Tape LED The cartridge is loaded and the drive is ready off on The cartridge is loading or unloading or self test is in progress off flashing slowly The cartridge is loaded activity is occurring off flashing rapidly This is the Error Condition Signal HP StorageWorks DAT drives perform a comprehensive self test during power up If a hard error causes the self test to fail t...

Страница 42: ...dia caution signal appears again with the second tape the tape heads need cleaning 4 If the media caution signal appears after using a cleaning cartridge the cleaning cartridge has probably expired and should be discarded flashing slowly off or flashing When the two LEDs flash alternately the tape drive is in disaster recovery mode restoring the operating system see Running HP OBDR on page 54 flas...

Страница 43: ...equence When the cartridge is loaded the Ready light shows steady green HP StorageWorks DAT 72 and 40 tape drives The Tape light flashes green while the drive performs its load sequence When the cartridge is loaded the Tape light shows steady green Removing cartridges CAUTION Never try to remove a cartridge before it is fully ejected 1 Press the Eject button on the front panel 1 eject button Figur...

Страница 44: ...Removing power from the drive To ensure reliable operation do not remove power from the drive during read write fast search load and unload activities Operating your tape drive 44 ...

Страница 45: ...tape drives HP DAT 160 C8011A cartridges provide optimum performance and maximum capacity for HP StorageWorks DAT 160 tape drives they can only be used with HP StorageWorks DAT 160 and DAT 320 tape drives DAT 160 tape drives are backwards compatible with some earlier formats DAT 320 tape drives are only backwards compatible with DAT 160 tape drives see Table 5 on page 46 Backup application media c...

Страница 46: ...upported HP Storage Works DAT 320 not supported read write 160 GB C8011A read write C8010A read write C5718A not supported not supported HP Storage Works DAT 160 not supported not supported read write 72 GB C8010A read write read write not supported HP Storage Works DAT 72 not supported not supported not supported read write 40 GB C5718A read write read write HP Storage Works DAT 40 Capacity assum...

Страница 47: ...ork The software supplied with the tape drive provides this support See http www hp com go connect for an up to date list of other suitable backup software When will I be asked to enter the key Encryption is primarily designed to protect the media once it is offline and to prevent it being accessed from another machine Often you will be able to read and append the encrypted media without being pro...

Страница 48: ...d write DAT 160 GB media but hardware encryption is not supported on these formats Where can I get more information For detailed instructions about enabling encryption please refer to the documentation supplied with your backup application This will also highlight any default states for example when copying tapes that may need changing if using encrypted tapes Write protecting cartridges If you wa...

Страница 49: ...ing cartridge required Tape drive model You must use a DAT 320 cleaning cartridge part number Q2039A HP StorageWorks DAT 320 tape drives You must use a DAT 160 cleaning cartridge part number C8015A HP StorageWorks DAT 160 tape drives You must use a standard cleaning cartridge part number C5709A All other HP StorageWorks DAT tape drives Do not use swabs or other means of cleaning the heads The clea...

Страница 50: ...he cleaning cartridge ejects in less than 20 seconds it has probably expired In this case discard the cleaning cartridge and repeat the operation with a new one Handling cartridges Do not touch the tape media Do not attempt to clean the tape path or tape guides inside the cartridge Do not leave cartridges in excessively dry or humid conditions Do not leave cartridges in direct sunlight or in place...

Страница 51: ...e regularly See Cleaning cartridges on page 49 If you want to bulk erase cartridges this should be done in a controlled environment You need to make sure there are no other cartridges with sensitive information on them anywhere near the bulk eraser when in use All data will be lost on cartridges that are bulk erased DAT USB Tape Drives 51 ...

Страница 52: ...Use the correct media 52 ...

Страница 53: ... system configuration What does HP OBDR do Using just the tape drive and the most recent backup cartridge HP OBDR allows you to recover from the following types of system disaster Hard disk failures as long as the replacement hard disk is the same size or larger than the original and uses the same interface for example replace a SCSI hard disk with another SCSI disk or re place a SAS hard disk wit...

Страница 54: ... hard disk and do not want to overwrite your system you can safely cancel the disaster recovery process at step 3 in the following procedure Refer to our connectivity web site http www hp com go connect for more information about suitable backup applications Running HP OBDR HP OBDR can only be used with backup applications that support one button disaster recovery and methods of operating OBDR wil...

Страница 55: ...BDR to restore your system For more information and specific instructions please refer to our World Wide Web site at http www hp com go obdr 3 Follow the on screen instructions to set up the operating system Normally you can accept the default response to all the prompts for example just press Enter 4 The LEDs will flash in OBDR mode as described in step 2 while the tape drive restores your operat...

Страница 56: ...Using HP OBDR 56 ...

Страница 57: ... http www hp com support tapetools for compatibility information updates and the latest version of the tool Installing L TT The download version is preferred as it is the latest version Install L TT on any server that can see your drive This is most likely to be the backup server but it could be another server if you are using a SAN You will need the tape driver installed to run the performance te...

Страница 58: ...ve tests on your drive such as the drive assessment test which will verify the functionality of your drive in around 20 minutes HP recommends running this test before calling HP Support You will need to provide a trusted cartridge that can be written to during this test Generate a support ticket this is a full dump of the drive logs along with interpretation and is used by HP Support to learn abou...

Страница 59: ...n a network environment or if the drive is not on a dedicated bus If your tape drive is not performing as well as expected consider the following points before contacting HP Support at http www hp com support Is the tape drive connected to a USB 2 0 port and is it the only device other than a keyboard or mouse using the USB bus See Verifying USB installation for optimum performance on page 63 Have...

Страница 60: ...Diagnostic Tools and Performance 60 ...

Страница 61: ...nections or the way the system is being operated Has the system just been installed There could be an installation problem 1 Check through the information in the relevant installation chapter of this guide 2 Are you connected to a USB 2 0 port Are there any other devices attached to the same USB hub controller See also USB Configuration Guide on page 69 3 Check the environmental conditions against...

Страница 62: ...DAT 160 cleaning cartridges C8015A with DAT 160 tape drives Standard cleaning cartridges C5709A with all other HP StorageWorks DAT tape drives 6 Try the operation again 7 If the problem still occurs try using a different cartridge 8 If the problem is still there the problem probably lies with the drive or the host computer Has the drive been moved recently Have any cables been disconnected and rec...

Страница 63: ...root hub Connecting multiple devices to one root hub may degrade tape drive performance degradation USB Mass Storage devices like HP DAT tape drives have the lowest priority of all device types on the USB bus so devices such as webcams should never be connected to the same root hub To check the devices connected to a root hub 1 Go to Device Manager and select Devices by connection from the View me...

Страница 64: ...the drive appears to work OK Is there anything I need to do to make my drive function optimally It is likely that Windows installed a driver for the tape drive using Windows Update when the system booted up DAT 320 models It will have installed the Microsoft usbstor driver which is correct for this tape drive but it may be running an out of date hpdat driver Run the installer from the StorageWorks...

Страница 65: ...cartridge to be ejected The drive waits until 35 seconds have passed from the time of the first press to give the normal eject procedure a chance to proceed After this period it immediately releases the tape and ejects the cartridge regardless of what operation it was performing It is important that you allow sufficient time for the drive to complete this process If you interrupt it you may damage...

Страница 66: ...ty and should be discarded 6 Check if another DAT drive of the same model will accept the cartridge If it does the original drive may be faulty Before calling customer service please check that the tape drive is responding Use HP Library Tape Tools see HP Library Tape Tools on page 57 Troubleshooting 66 ...

Страница 67: ...24 remove any screws that are holding the tape drive in place 5 Disconnect the drive from the server and slide it carefully out of the mounting bay 6 Put the drive into the packaging that contained the replacement drive 7 Return the faulty drive to your local HP Service Center Instructions on where to return faulty drives will be shipped with the replacement drive You must ship the defective drive...

Страница 68: ...Replacing an internal tape drive 68 ...

Страница 69: ...sponds as requested The host determines how much of the overall USB network bandwidth a given device can use at any time Any given USB network has only one host Hubs act as command repeaters and multipliers This allows many devices to be supported by one host A host command can arrive at the upstream port of the hub and be transmitted via the downstream ports to many other device and hubs Likewise...

Страница 70: ...a maximum of five USB hubs between the device and host system and connect them with additional cables If you are using a high speed USB 2 0 device make sure that the USB host at the system and all the hubs between the device and host support high speed USB 2 0 transfer When using a bulk transfer device such as a tape drive do not use other USB devices that will place restrictions on the USB bandwi...

Страница 71: ...ions document 9 text symbols 10 D DAT 160 cartridges 45 DAT 320 cartridges 45 DAT tape drive front view 13 LEDs 38 41 loading 42 models supported 13 power on 38 powering off 44 unloading 43 diagnostic tools L TT 57 performance assessment 59 disaster recovery See OBDR document conventions 9 related documentation 9 documentation HP website 9 providing feedback 11 drive operating 37 38 41 drivers ins...

Страница 72: ...DR 53 compatibility 53 how to run 54 if restore fails 55 remote disaster recovery 54 testing for compatibility 54 what it does 53 One Button Disaster Recovery See OBDR online 43 operating systems supported 15 operation drives 37 38 41 troubleshooting 62 P performance assessment tools 59 power off 44 power on 38 product specification See R related documentation 9 replacing internal drive 67 S softw...

Страница 73: ...nload button 43 unloading cartridges 43 upgrading firmware drives 44 V verify installation 35 W websites HP HP Subscriber s Choice for Business 11 product manuals 9 write protect 48 DAT USB Tape Drives 73 ...

Страница 74: ...74 ...

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