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HP StorageWorks DAT 24 User Manual Download Page 29

HP StorageWorks DAT Tape Drives User Guide

29

Loading and unloading

Inserting cartridges

Figure 15

Inserting a cartridge, external drive

1.

Insert a cartridge into the slot on the front panel. As the cartridge is inserted, the drive takes it 

and performs a load sequence.

2.

The Tape light flashes green while the drive performs its load sequence. When the cartridge is 

loaded, the Tape light shows steady green.

1

cartridge door

2

arrow indicates leading direction

1

2

Summary of Contents for StorageWorks DAT 24

Page 1: ...HP StorageWorks DAT Tape Drives User Guide Installation Operating and Troubleshooting information for DAT USB tape drives Part number DW022 90904 First edition April 2005 ...

Page 2: ...protected by copyright No part of this document may be photocopied reproduced or translated into another language without the prior written consent of Hewlett Packard The information is provided as is without warranty of any kind and is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and s...

Page 3: ...s and backup software 9 Install drivers 9 Installing on Windows 9 Installing on Linux 9 Upgrade backup software 10 3 Installing an internal DAT tape drive 11 Prepare mounting bay 11 Attach mounting hardware 13 HP ProLiant servers 13 Other servers 15 Install drive 16 Attach USB cable 17 Decide which cable to use 17 To connect to an internal USB 2 0 port as in many ProLiant servers 18 Attach power c...

Page 4: ...bleshooting with Library Tape Tools 39 Performance Assessment Tools 40 Optimizing performance 40 10Troubleshooting 41 General Procedure 41 Verifying USB installation for optimum performance 42 Check for USB 2 0 port Windows 42 Ensure that the tape drive is the only device on a USB hub Windows 42 Ensure that the hp_usbstor driver is being used Windows 42 Check drivers Linux 43 Frequently asked ques...

Page 5: ...complete there are a number of questions on the electronic form that are mandatory Other questions are optional However the more you feel able to complete the better HP can meet your needs HP technical support Telephone numbers for worldwide technical support are listed on the HP support web site http www hp com support Collect the following information before calling Technical support registratio...

Page 6: ...st HP authorized reseller In the United States call 1 800 345 1518 Elsewhere visit the HP web site http www hp com Then click Contact HP to find locations and telephone numbers Helpful web sites For third party product information see the following HP web sites http www hp com http www hp com go connect http www hp com go storage http www hp com support http www docs hp com ...

Page 7: ...fer to our World Wide Web site www hp com Figure 1 Front view of tape drive Which operating systems are supported HP StorageWorks DAT USB drives can be connected to servers running under Microsoft Windows Server 2000 Server 2003 XP Professional and Linux Kernels 2 6 x Refer to the HP StorageWorks Tape Software Compatibility topic on our World Wide Web site www hp com go connect for the most recent...

Page 8: ... into the server s chassis and are fixed with screws Other servers have built in trays or rails Rail kits for a number of industry standard servers may be available For more details refer to www hp com go connect 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 yo...

Page 9: ...ler on the CD ROM Recommended install process before connecting the tape drive 1 Insert the StorageWorks CD 2 Select the install drivers link 3 Run the automated installer and follow the process to load the two drivers onto the system When you attach or install the tape drive connecting to a USB 2 0 port as described in this guide and switch it on the tape drive will be detected automatically and ...

Page 10: ... suitable products Further details about these and other products that may be appropriate can be found on our connectivity web site 1 Go to our connectivity web site www hp com go connect and select tape backup 2 Select software compatibility 3 Select your combination of operating system and tape drive model in the table A list of supported backup applications is displayed This will also tell you ...

Page 11: ...om the mains power supply while you install the drive 1 Assemble the necessary tools and materials Phillips screwdriver Flat bladed screwdriver if your server uses slotted screws Torx screwdriver if your server uses torx screws Your server manuals for reference during installation 2 Perform a normal system shutdown and turn off the server and any connected peripherals 3 Remove the cover and front ...

Page 12: ...l ProLiant server Figure 3 Removing cover from typical AlphaServer 4 Remove the filler panel from a spare 5 inch bay of your server as described in your server s documentation Keep any screws for use in Secure the drive on page 21 5 You are now ready to install your tape drive ...

Page 13: ...ted power from the server and removed the cover touch a bare metal part of the chassis Similarly touch a bare metal part of the drive before installing it HP ProLiant servers NOTE If mounting hardware is supplied with your tape drive it may not be exactly the same as shown in the illustrations Different models of server require different mounting methods The server may also incorporate a locking m...

Page 14: ...rver s drive bay 1 Use a regular Phillips screwdriver to attach the appropriate rails Use the M3 screws provided with the tape drive as shown in Figure 4 Ensure you do use the M3 screws provided The rails may be attached to the filler panel by screws of a different thread size type and these should not be used If in doubt refer to your HP ProLiant server documentation Figure 4 Attaching mounting r...

Page 15: ...han the standard M3 screws HP ProLiant ML370 Use M3 offset mounting screws These have a thick offset piece and a thicker head than the standard M3 screws Other servers 1 Attach the appropriate mounting hardware Refer to the manufacturer s documentation for instructions If you are installing on a server that requires a tray place the tape drive in the tray If you are installing in a server that req...

Page 16: ... with the slots in the bay as shown in Figure 6 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 ...

Page 17: ...erver s system board or on an internal USB card this option uses the standard USB cable To an external USB port on your server this option uses the Cable Routing kit and the standard USB cable To check whether your server has an internal USB port Look at the diagram 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 ...

Page 18: ...ure 8 Figure 8 Connecting to a 4 pin USB port If your server has a standard USB port use a standard USB cable You can use the supplied standard USB cable and the cable ties to tidy excess cable length To an external USB 2 0 port Use the standard USB cable and Cable Routing Kit supplied with the tape drive The Cable Routing Kit consists of a grommet bracket and cable ties The tape drive Type B has ...

Page 19: ...t as illustrated in Figure 9 Fix the bracket to the server and use the supplied cable ties to tidy up any excess cable Figure 9 Connecting USB cable 3 Attach the Type B connector on the cable to the tape drive and the Type A connector to the server s external USB port as illustrated in Figure 9 1 Type A connector to server s external USB port 2 Type B connector to tape drive 1 2 ...

Page 20: ... USB bus It must be connected to the server s power supply 1 Attach a spare power cable from the server s internal power supply to the power connector Figure 10 Attaching power cable 1 and 5 USB cable to server s external USB port 2 and 4 power cable 3 tape drive 6 server s power supply 3 4 5 6 1 2 ...

Page 21: ...nt Ensure that you use the correct mounting rails or locating screws as described in Attach mounting hardware on page 13 The server also incorporates a locking mechanism to hold the tape drive in place 1 Push the server latch down to lock the tape drive into position as shown in Figure 11 Figure 11 Securing drive mounting hardware used 2 Ensure blanking plates are in place over empty bays and repl...

Page 22: ...es in the chassis are aligned with the holes in the sides of the drive and use a regular Phillips screwdriver to secure the M3 screws as shown in Figure 12 Figure 12 Securing drive no mounting hardware used 2 Ensure blanking plates are in place over empty bays and replace the cover on the server 1 M3 screws supplied with tape drive 1 ...

Page 23: ... 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 it 1 Make sure that the drive is switched OFF O side down The power switch is on the rear panel 2 Plug the power cable securely into the socket on the rear panel of the drive and plug th...

Page 24: ...into the USB connector on the server 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 42 ...

Page 25: ... wizard will run when you power on the server and tape drive Cancel it and install the drivers as described in Alternative install process after connecting the tape drive on page 9 Installing drivers other operating systems Drivers are included with the operating system and should be loaded automatically See also Check drivers Linux on page 43 3 Verify that the tape drive installation was successf...

Page 26: ...Verify installation 26 ...

Page 27: ...eWorks DAT Tape Drives User Guide 27 6 Operating your tape drive Front panel Figure 14 Front panel external drive 1 cartridge door 2 eject button 3 clean LED 4 tape LED 5 power LED external drives only 1 2 3 4 5 ...

Page 28: ...r flashing flashing slowly This is the Media Caution Signal 1 Wait for the current operation to finish then insert a different tape and repeat the operation that was being performed 2 If the media caution signal does not show this time it indicates that the original cartridge was nearing the end of its useful life Copy any data you want to keep from the original tape onto a new tape if possible th...

Page 29: ... drive 1 Insert a cartridge into the slot on the front panel As the cartridge is inserted the drive takes it and performs a load sequence 2 The Tape light flashes green while the drive performs its load sequence When the cartridge is loaded the Tape light shows steady green 1 cartridge door 2 arrow indicates leading direction 1 2 ...

Page 30: ...ive 2 The drive completes any task it is currently performing winds the tape to the beginning and ejects the cartridge The sequence will take about 25 seconds for a write enabled cartridge and 10 seconds for a write protected cartridge 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 1 eject butto...

Page 31: ...4 tape drives Although HP StorageWorks DAT tape drives are fully backward compatible old tape formats are more abrasive than later generations and using older tape formats can reduce the life expectancy of the tape drive The compatibility between drive models and cartridges is summarized in Table 2 Shaded boxes show the recommended media for each tape drive Capacities assume a compression ration o...

Page 32: ...rite protection will not protect your cartridges against magnets or bulk erasers Cleaning cartridges HP recommends weekly cleaning of the tape drive using an HP cleaning cartridge part number C5709A Do not use swabs or other means of cleaning the heads The cleaning cartridge uses a special tape to clean the tape heads A cleaning cartridge can only be used 50 times or as instructed on the cartridge...

Page 33: ...ones next to monitors or near transformers Do not drop cartridges or handle them roughly Do not stick more than one label onto the cartridge label area extra labels can cause the cartridges to jam in the drive Stick labels onto the label area only See the insert included with the tape cartridge for storage conditions Getting the most out of cartridges and drives Use mostly the matching media type ...

Page 34: ...Use the correct media 34 ...

Page 35: ...ame size or larger than the original and uses the same interface for example replace a SCSI hard disk with another SCSI disk Hardware failures where the server is replaced by an identical component File corruption because of an operating system error File corruption because of an application software error Viruses that prevent you from booting your system correctly User errors that stop you from b...

Page 36: ...ckup applications Running HP OBDR HP OBDR can only be used with backup applications that support one button disaster recovery and methods of operating OBDR will vary between different software companies Check our World Wide Web site www hp com go obdr for the latest information about software compatibility firmware upgrades and troubleshooting before you use HP OBDR 1 Insert the latest bootable ca...

Page 37: ...reen 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 operating system to a state where it can run a normal data restore 5 Once the operating system has been set up and rebooted the Tape LED display on the tape drive ch...

Page 38: ...Using HP OBDR 38 ...

Page 39: ...writing and reading to a test cartridge Verify drive performance data rates to the drive Verify system performance data rates from the disk subsystem Verify drive cooling 3 At the end of the test you will be given a summary of the test results and recommendations to resolve any issues found Troubleshooting with Library Tape Tools 1 From the HP StorageWorks CD select troubleshoot This will allow yo...

Page 40: ... guide to understanding the performance needs of your backup system and recommendations on finding and fixing performance issues In nearly all cases when performance is not as expected it is the data rates of the disk subsystem that cause the bottleneck Please follow the guide and try the tools before calling HP Support Note that the performance tools are also integrated into HP Library Tape Tools...

Page 41: ...he host Are you using new cartridges or a different brand of cartridge Have you been using the particular cartridge for a very long time The problem could lie with the cartridge 1 Check through the media chapter on page 31 2 Check that you are using a DDS labeled cartridge not a DAT cartridge 3 Use the correct media type for example DAT 72 media with DAT 72 drives DAT 72 media will be ejected by D...

Page 42: ...ed as Enhanced the port is USB 2 0 See Figure 20 on page 43 Ensure that the tape drive is the only device on a USB hub Windows On some computers multiple physical USB 2 0 ports will be connected to the same master port known as a 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 prior...

Page 43: ...y See Figure 20 Figure 20 Windows Device Manager USB controllers Check drivers Linux Use the following procedure to check that both drivers are present 1 usb_storage driver At the command prompt type lsmod grep usb_storage The output of this command should contain a line similar to usb_storage 61193 0 If this line is not present type modprobe usb_storage at the command line to load the usb storage...

Page 44: ...to do anything else Run the driver installer from the StorageWorks CD in order to install the hp_usbstor driver How can I check that my drive is installed correctly See Verifying USB installation for optimum performance on page 42 Problems with cartridges If you experience any problems using HP branded cartridges check The cartridge case is intact and that it contains no splits cracks or damage Th...

Page 45: ...vice at www hp com support The drive will not accept the cartridge or ejects it immediately The cartridge may have been damaged for example dropped or the drive may have a fault If it is a cleaning cartridge it has probably expired and should be discarded immediately For data cartridges 1 Check that the drive has power the power cable is properly connected and the Tape LED is on 2 Check that you a...

Page 46: ...Troubleshooting 46 ...

Page 47: ...13 remove any screws that are holding the tape drive in place 5 Disconnect the drive from the server s power and USB cables 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 NOTE If yo...

Page 48: ...Replacing an internal tape drive 48 ...

Page 49: ...is 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 device commands arriving at a downstream port are also repeated upstream There is a special hub called a root hub The root hub s upstream port is connected directly to the host All USB systems have a root hub...

Page 50: ...e 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 bandwidth available to the bulk transfer device If several USB device requiring large amounts of the USB network bandwidth are to operate simultaneousl...

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