HP StorageWorks Ultrium full-height SCSI Tape Drives user guide Part number: EH853–90905 Second edition: June 2007
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Contents About this guide . . . . . . . . . . . . . . . . . . . . . . . . . . Intended audience . . . . . . . . Related documentation . . . . . . Document conventions and symbols HP technical support . . . . . . . Product warranties . . . . . . . . Registering your tape drive . . . . Subscription service . . . . . . . HP websites . . . . . . . . . . . Documentation feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Check the drive’s SCSI ID . . . . . . . . Connect the SCSI cable . . . . . . . . . Does the tape drive need a terminator? Connect the power cable . . . . . . . . Electrical specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HP Library & Tape Tools . . . . . . . . . . . Troubleshooting with Library & Tape Tools . . . . Performance Assessment Tools . . . . . . . . . . . Optimizing performance . . . . . . . . . . . Can your system deliver the required performance? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Troubleshooting . . . . . . . . . . . . . . .
Figures 1 ..Front view of full-height Ultrium external tape drive . . . . . . . . . . . . . . . . . 13 2 ..Usage model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 3 ..Checking the SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4 ..Removing cover from ProLiant ML370 server . . . . . . . . . . . . . . . . . . . . 23 5 ..Attaching mounting rails in a typical HP ProLiant ML570 . . . . . . . . . . . . . . . 24 6 ..
Tables 1 ..Document conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2 ..Supported SCSI bus types . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3 ..Recommended usage models . . . . . . . . . . . . . . . . . . . . . . . . . . 4 ..Electrical specifications, internal drives 17 . . . . . . . . . . . . . . . . . . . . . . 26 5 ..Electrical specifications, external drives . . . . . . . . . . . . . . . . . . . . . . 34 6 ..Electrical specifications, removable drives .
About this guide This guide provides information about: • Installing the HP StorageWorks Ultrium SCSI tape drive • Using the HP StorageWorks Ultrium SCSI tape drive • Troubleshooting the HP StorageWorks Ultrium SCSI tape drive Intended audience This guide is intended for users who install, operate and maintain the HP StorageWorks Ultrium tape drive.
CAUTION: Indicates that failure to follow directions could result in damage to equipment or data. IMPORTANT: Provides clarifying information or specific instructions. NOTE: Provides additional information. HP technical support For worldwide technical support information, see the HP support website: http://www.hp.
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/downloads Documentation feedback HP welcomes your feedback. To make comments and suggestions about product documentation, please send a message to storagedocs.feedback@hp.com. All submissions become the property of HP.
About this guide
1 Before you start Supported models This guide describes how to install and operate the following HP StorageWorks Ultrium tape drive models: • HP StorageWorks Ultrium 1840 internal, external and removable tape drives. These are Ultra 320 SCSI devices with a maximum burst transfer speed of 320 MB/second. They can write uncompressed data at up to 120 MB/second (432 GB/hour) .
• You will need a properly installed and configured SCSI host bus adapter (HBA) or a built-in SCSI controller on your server and a suitably-rated SCSI cable. See also Why is the SCSI bus type important?. • For optimum performance the drive should be the only device on the SCSI bus. • Always terminate the SCSI bus. Ultrium internal and removable tape drives require terminators; external drives are auto terminating, as long as they are on a dedicated SCSI bus or the last device on a chain.
Table 2 Supported SCSI bus types SCSI Bus Type Supported Ultra320 LVD Yes. This is a recommended configuration for all Ultrium full-height tape drives. Do not daisy chain Ultrium 1840 or Ultrium 960 tape drives because performance will be degraded. Up to two Ultrium 460 tape drives may be daisy-chained. Ultra160 LVD Yes. This is a recommended configuration for Ultrium 460 tape drives. It is an acceptable configuration for Ultrium 960 and 1840 tape drives.
Usage models HP StorageWorks Ultrium tape drives can be used in a standalone or network environment. However, they should always be directly attached to suitably-rated SCSI connector on the storage server. A Server B Tape drive Figure 2 Usage model The following table shows the recommended usage models and Optimizing performance provides further information about factors that can affect performance.
Table 3 Recommended usage models Direct Attach, single storage server Across the Network, single storage server, multiple clients Ultrium 1840 Recommended Not recommended Ultrium 960 Recommended Requires careful design to utilize the drive’s performance capabilities, even Gigabit Ethernet will limit performance Ultrium 460 Recommended Recommended, anything less than Gigabit Ethernet may limit performance A RAID disk subsystem is recommended for all usage models.
Before you start
2 Drivers and backup software Install drivers NOTE: The HP Tape driver is suitable for use in most applications, but refer also to the documentation of your software application to ensure you are using the recommended driver. Installing on Windows The driver available from Microsoft update is acceptable, but the HP driver provides better support for all the features of your new tape drive.
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 whether your configuration is compatible with HP One-Button Disaster Recovery, HP OBDR. (All HP StorageWorks Ultrium tape drives support HP OBDR. However, you can only use this feature if your system configuration and backup application also support it. See “Compatibility” on page 55.) 4.
3 Installing an internal tape drive If you are installing an external Ultrium tape drive, please refer to Installing an external Ultrium tape drive. If you are installing a removable Ultrium tape drive, please refer to Installing a removable Ultrium tape drive. Check the drive’s SCSI ID Your HP StorageWorks Ultrium drive is shipped with a default SCSI ID of 3. Each device on the SCSI bus must have an unique SCSI ID number. The drive can be assigned any unused ID between 0 and 15.
For most operating systems you can run HP Library & Tape Tools from the HP StorageWorks Tape CD-ROM to check your server’s current SCSI configuration (see Diagnostic tools ). This will provide information about the SCSI bus and the SCSI IDs in use. To do this, select the ‘troubleshoot with L&TT’ option from the CD-ROM menu. The UNIX Configuration Guide on the HP StorageWorks Tape CD-ROM also contains instructions on how to determine the SCSI IDs of existing devices on UNIX servers. 2.
Figure 4 Removing cover from ProLiant ML370 server 1. Release catch 2. Push cover back and lift off 4. Remove the filler panel from a spare 5¼-inch bay of your server, as described in your server’s documentation. With some servers, such as the HP AlphaServer ES40, you must also remove the half-height device divider. 5. You are now ready to install your tape drive. Attach mounting hardware If your server requires special rails or other hardware to install the tape drive, mount them on the tape drive now.
Please check your HP ProLiant server documentation to ascertain the correct method of mounting, and to check whether mounting hardware is provided with the server. Mounting rails Some HP ProLiant servers, such as ML570, require mounting rails. These may be metal or plastic rails attached to the server’s drive bay filler panel. Use a regular Phillips screwdriver to attach the appropriate rails.
1. Release catch 2. Push cover back and lift off Figure 6 Attaching locating screws in a typical HP ProLiant 350 or 370 Other servers 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. • Some servers have snap-on mounting rails attached to the filler panel. These can be removed and attached to the tape drive with screws.
Attach power and SCSI cables To support the high performance of the tape drive it is important that you connect to a recommended SCSI bus and use a suitably-rated SCSI cable, see Why is the SCSI bus type important?. Electrical specifications are as follows.
1 and 7 terminated SCSI cable 2 and 4 power cable 3 tape drive 5 server’s power supply 6 SCSI controller Figure 8 Connecting power and SCSI cables Where should the SCSI terminator be? Termination must be present at two and ONLY two positions on the SCSI bus—at the beginning of the SCSI bus and at the end of the SCSI bus. Termination is normally enabled by default on the HBA and most internal SCSI cables have a terminator attached.
Secure the drive NOTE: The server latches and side views of your server model may not be exactly the same as shown in the illustrations. Please refer also to you server documentation. Mounting hardware used (HP ProLiant) Ensure that you use the correct mounting rails or locating screws, as described in Attach mounting hardware. 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 9.
1 M3 screws, supplied with tape drive Figure 10 Securing drive, no mounting hardware used 2. Ensure blanking plates are in place over empty bays and replace the cover on the server.
Installing an internal tape drive
4 Installing an external Ultrium tape drive If you are installing an internal Ultrium tape drive, please refer to Installing an internal Ultrium tape drive. If you are installing a removable Ultrium tape drive, please refer to Installing a removable Ultrium tape drive. Check the drive’s SCSI ID Your HP StorageWorks Ultrium drive is shipped with a default SCSI ID of 3. Each device on the SCSI bus must have an unique SCSI ID number. The drive can be assigned any unused ID between 0 and 15.
Use a small screwdriver or a ball-point pen to press the indented SCSI ID selector buttons on the rear panel (see Figure 12) until the required value is displayed. Do not use a pencil because small bits of graphite could contaminate the drive. NOTE: The server and the tape drive SCSI IDs are only checked at power-on. To change the SCSI ID after installation, power down both the server and the tape drive, change the drive’s SCSI ID, power up the tape drive, and then power up the server.
1 Act TERM LED 2 Fan/Power LED Figure 12 Connecting the SCSI cable 4. Attach the HD connection on the SCSI cable to the SCSI-IN connector on the rear panel of the tape drive and secure it by tightening the screws. (See Figure 12.) Do not connect the cable to the SCSI-OUT connector. 5. The SCSI-OUT connector is only used when daisy-chaining two devices. This is not recommended.
Table 5 Electrical specifications, external drives Ultrium 1840 Ultrium 960 Ultrium 460 Power consumption 13 Watts idle, 26 Watts typical, 40 Watts maximum 12 Watts idle, 30 Watts typical, 35 Watts maximum 11 Watts idle, 25 Watts typical, 38 Watts maximum Power requirements 100–240 VAC 50-60 Hz, auto-ranging 0.7A maximum 100–240 VAC 50-60 Hz, auto-ranging 0.8A maximum 100–240 VAC 50-60 Hz, auto-ranging 0.7A maximum 1. Plug the power cable securely into the socket on the rear panel of the drive.
5 Installing a removable Ultrium tape drive If you are installing an internal Ultrium tape drive, please refer to Installing an internal Ultrium tape drive. If you are installing an external Ultrium tape drive, please refer to Installing an external Ultrium tape drive. Which rackmount systems can I use? HP StorageWorks Ultrium removable tape drives are used in conjunction with the HP Tape Array 5300 system, which can be used with both full-height and half-height tape drives.
• If you daisy-chain devices, make sure that devices are of the same SCSI type and that each device on the same SCSI bus has a unique SCSI ID and is terminated appropriately. Do not daisy-chain more than two devices on the same SCSI bus. • Always terminate the SCSI bus. • Do not attach the drive to the same SCSI bus as a your disk drive or to a RAID controller unless you are connecting to a ProLiant server with a Smart Array 6i RAID controller.
Figure 15 Inserting the tape drive 4. If there are empty bays, insert a blanking plate. This is essential to ensure adequate airflow is maintained. Failure to do so may affect tape drive performance. See the documentation with the tape array for details on installing blanking plates. Set the drive’s SCSI ID To set the tape drive’s SCSI ID you need to set the appropriate switch on the rear of the tape array.
The HP Tape Array 5300 has four SCSI ID switches to enable the installation of up to four half-height drives. When installing two HP Ultrium full-height tape drives, use SCSI ID switches 1 and 2 only. SCSI ID 10 Bay 4 SCSI ID 8 Bay 2 SCSI ID 9 Bay 3 SCSI ID 3 Bay 1 Figure 16 SCSI address switch on tape array 3. Make sure that a SCSI terminator is attached to the appropriate SCSI-OUT connector on the back of the tape array. 4.
Figure 17 Extractor lever in out position 2. Using the extraction lever, pull the drive gently and firmly out of the tape array. Figure 18 Removing the tape drive 3. To insert another drive, follow the instructions in Install the drive.
Installing a removable Ultrium tape drive
6 Verify installation Once you have installed the drive hardware, check that drivers have been installed correctly and you have the correct version of backup software, and verify that the tape drive is functioning properly before you store your valuable data. 1. Switch on the drive and the server. 2. The tape drive will run its hardware self-test, which takes about 5 seconds. If self-test passes, the green Ready LED flashes and then shows steady green.
Verify installation
7 Understanding the LEDs Your HP StorageWorks tape drive See also “Understanding LED sequences” on page 43. 1. On/Off switch (external drives only) 5. Drive LED 2. Eject button 6. Tape LED 3. Emergency reset button 7. Clean LED 4. Ready LED Figure 19 Front view of full-height Ultrium external tape drive Understanding LED sequences The meaning of different patterns of LEDs is as follows: Table 7 LED sequences LED Sequence All LEDs OFF.
LED Sequence Cause Action required The drive has failed to execute power-on self test (POST). Power cycle or reset the drive (see “Problems with cartridges” on page 64). If the error condition reappears, call for service. The drive is ready for operation. None. This is normal. The drive is carrying out a normal activity (read, write). None. If the drive is upgrading firmware, do not reset or power cycle it. The drive is in OBDR mode. See “Running HP OBDR” on page 56 for further details.
LED Sequence Cause Action required Firmware is being reprogrammed. None. Do not reset or power cycle the drive. The drive requires cleaning. Load the Ultrium cleaning cartridge. See “Cleaning cartridges” on page 49 for supported cartridges and instructions. If the Clean LED is still flashing when you load a new or known good data cartridge after cleaning, call for service. Cleaning is in progress. None. The cleaning cartridge will eject on completion.
LED Sequence Cause Action required The drive mechanism has detected an error. Load a new cartridge. If the error persists, power cycle or reset the drive. If the Drive LED remains on, call for service. There is a firmware download problem. Insert a cartridge to clear the LED sequence. If the condition persists, call for service. The drive has a firmware error. Power cycle or reset the drive. Upgrade the firmware. If the condition persists, call for service. Drive FLASHES.
8 Operating your tape drive Loading a cartridge 1. Arrow indicates leading direction 2. Label area Figure 20 Inserting a cartridge 1. Insert the cartridge into the slot in the front of the drive with the white arrow uppermost and facing the drive door. 2. Apply gentle pressure until the drive takes the cartridge and loads it. (See Figure 20 on page 47.) 3. The Ready light flashes green while the drive performs its load sequence. When the cartridge is loaded, the Ready light shows steady green.
1. Eject button Figure 21 Ejecting a cartridge 2. The drive will complete its current task, rewind the tape to the beginning, and eject the cartridge. The rewind process may take up to 10 minutes. The Ready light will flash to indicate that the unload is still in progress. 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.
9 Use the correct media For best performance we recommend HP branded media. Order online at: http://www.hp.com/go/storagemedia. Cartridges Cleaning cartridges The recommended cleaning cartridges is the HP Ultrium universal cleaning cartridge, C7978A (Orange). This cleaning cartridge is designed to work with any Ultrium drive. It may be used for up to 50 cleans. NOTE: Do not use the earlier HP Ultrium cartridge, C7979A (Blue), or Ultrium cartridges from other manufacturers.
HP Ultrium WORM data cartridges The HP StorageWorks Ultrium 1840 and 960 tape drive includes support for both re-writable and Write-Once, Read-Many, WORM, data cartridges. WORM cartridges provide for an enhanced level of data security against accidental or malicious alteration of data on the tape cartridge. The WORM data cartridge can be appended to maximize the full capacity of the tape cartridge, but the user will be unable to erase or overwrite data on the cartridge.
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. You will be able to read and append the encrypted media without being prompted for a key as long as it is being accessed by the machine and application that first encrypted it.
• To write protect a cartridge, push the switch to the right to prevent any data recording on the cartridge. Note the padlock on the tab that indicates that the cartridge is protected. • To write enable a cartridge, push the switch to the left to allow data recording on the cartridge. Figure 22 on page 52 illustrates the location of the write-protect tab. 1. Write-protect tab Figure 22 Write protecting a cartridge Write-protection will not protect your cartridges against magnets.
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 the drive. The tape loses tension in the power-off state, which can lead to problems, particularly if the drive has been moved. • Do not leave cartridges in excessively dry or humid conditions.
Use the correct media
10 Using HP OBDR Compatibility HP One-Button Disaster Recovery is a standard feature on all HP StorageWorks Ultrium tape drives. However, it can only be used with specific configurations and will only recover the server to which the tape drive is directly connected. To check whether your system (hardware, operating system and backup software) is OBDR-compatible, please refer to our World Wide Web site http://www.hp.com/go/connect.
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 will vary between different software companies. Check our World Wide Web site (http://www.hp.
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 . 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 Ready LED display on the tape drive changes to constant green and you can remove the backup cartridge, if you wish.
Using HP OBDR
11 Diagnostic Tools and Performance Diagnostic tools HP Library & Tape Tools HP StorageWorks Library & Tape Tools is the recommended diagnostic and support tool for your HP tape storage product. It is available from a link 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. HP recommends installation of Library & Tape Tools, so that it can be quickly accessed at any time.
You can use our free, standalone performance assessment tools to check tape performance and test whether your disk subsystem can supply data at the maximum transfer rate. The tools are located online at http://www.hp.com/support/pat. They are also integrated into HP Library & Tape Tools, which is available both online (http://www.hp.com/support/tapetools) and on the CD-ROM supplied with your tape drive.
will always limit the speed at which the drive can write/read data. You will achieve no more than native rates with uncompressible data. Examples of files that compress well are plain text files, spreadsheets; those that compress poorly are those that are either compressed as part of their format (such as, JPEG photographic files) or stored as compressed (such as, .ZIP files or .gz/.Z files on Unix platforms).
Diagnostic Tools and Performance
12 Troubleshooting Many users can use HP Library & Tape Tools to help them diagnose problems, see “Diagnostic tools ” on page 59. We also recommend the detailed troubleshooting guide at http://www.hp.com/go/support for comprehensive troubleshooting information. General Procedure If a problem occurs, the first step is to try to establish whether the problem lies with the cartridge, the drive, the host computer and connections, or the way the system is being operated.
Has the drive been moved recently? Have any cables been disconnected and reconnected? Has the environment changed—unusually hot, cold, damp or dry? Has there been dust or dirt near the drive. Have reasonable precautions against static been taken? The problem could lie with the drive: 1. Check the cables and connectors. 2. Clean the tape heads with the cleaning cartridge. 3. If the problem persists, check the environmental conditions against the specified limits, see table above or refer to http://www.hp.
NOTE: This form of reset will clear the internal buffers and, therefore, lose any data in them. If the drive was writing at the time, data may be lost and the cartridge will not have an EOD, which means that subsequent restores are likely to fail. Discard the cartridge. 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.
Troubleshooting
13 Replacing a tape drive If your tape drive proves to be faulty and cannot be repaired and it is still covered by the original warranty, it will be replaced. HP will provide a replacement tape drive free of charge. Based on availability and where geography permits, the replacement tape drive will be shipped for next business day delivery. Same day or four-hour delivery may be offered at an additional charge where geography permits.
Replacing a tape drive
A SCSI configuration guide SCSI in HP StorageWorks Ultrium devices HP StorageWorks Ultrium 1840 and 960 tape drives are high performance Ultra320 SCSI compatible devices; HP StorageWorks Ultrium 460 tape drives are high performance Ultra160 SCSI compatible devices. They are designed to operate on a low voltage differential (LVD) SCSI interface and are not compatible with high voltage differential (HVD) SCSI devices.
• The voltage level of the interface, which may be single-ended (SE) or low voltage differential (LVD). Setting up the SCSI bus Each device on a SCSI bus, including the SCSI host bus adapter (HBA), must be configured with a unique ID (identifier). The SCSI bus must be terminated. NOTE: HP recommends that a dedicated host bus adapter is used for the tape drive. A suitable adapter is available from HP as an accessory (see http://www.hp.com/go/connect.
Setting the SCSI ID on HP StorageWorks Ultrium drives Note that host adapters check SCSI IDs only at power-on, so any changes will not take effect until the host system is power-cycled. • On internal HP StorageWorks drives, set the SCSI ID by attaching or removing jumpers at the rear of the drive, see Check the drive SCSI ID.
Figure 25 SCSI termination in internal drives As long as this terminator is attached, you do not need to take any further action. However, if you have other devices attached to the cable, make sure that they have termination removed or disabled. NOTE: If you have an internal and external device attached to the same SCSI bus, the HBA will be in the middle of the cable and thus its termination must be disabled. See the host bus adapter’s documentation for details of how to do this.
Figure 26 SCSI termination on a single Ultrium tape drive If you have more than one device on the SCSI bus, daisy-chain them by connecting an LVD-rated cable from the SCSI-OUT connector on the first device to the SCSI-IN connector on the second device. Assuming you have two Ultrium tape drives connected, the enclosure on the second drive provides termination. The green ACT Term LED on the rear of the first drive will be off while on the rear of the second drive it will be on.
Figure 27 SCSI termination in daisy-chained external drives SCSI cables Cables matter in SCSI systems. There are two factors to consider: cable length and cable quality. Cable length • For LVD SCSI the maximum length for a single device is 25 meters. For multiple devices, the maximum combined internal/external length is 12 meters. • If you have a combination of LVD and SE devices on the bus, the maximum cable length reverts to the SE specification. This is 3 meters for four or fewer devices, and 1.
With external devices The cable provided with all HP StorageWorks Ultrium external tape drives will attach to a computer with a wide, very high density (VHD), LVDS SCSI connector. If your server or host bus adapter is equipped with a high density (HD) wide SCSI connector, you will need to order a 68-pin VHD-to-HD converter or 68-pin VHD-to-HD cable. See http://www.hp.com/go/connect.
