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Section 4: SCSI Bridge Electronics 

 

Run
Once
PRESS to
 Toggle

Custom
Test
PRESS to
 Select

   1MB
to Xfer
PRESS to

Increment

Write
E      F
COMPRESS

  1.0:1

Ready to
Run
Waiting
for tape

Ready to
Run
PRESS to

 Confirm

Ready to
  Run
PRESS to
 Start

Pass
E      F
REMAIN'G

 1761MB

Enter
Set-Up 3

PRESS to
 Select

Drive

Test
PRESS to
   Run

Variable
Mode
PRESS to
Toggle

Ready to
Run
PRESS to

 Escape

Write
E      F
RWr RATE

  0.0%

Write
E      F
TOTL XFR
 1024MB

Write
E      F
REMAIN'G

  1.8

Write
E      F
XFR RATE

 301KB/s

Press to Return

to Self Test Menu

 

 

 

Figure 67 

Example custom drive test menu 

 

HP StorageWorks DAT 72 (Models 5242 and 5242-ACL) User's Guide  

63        HP Part Number   528296-03   July 2005 

Содержание dat72 5242

Страница 1: ...e copied in any form or by any means without prior written consent of HP EPROMs used in the products described herein contain firmware that is copyrighted by and shall remain the property of HP All drawings schematics and artwork used in the manufacture of the products described herein are copyrighted Reproduction of said drawings schematics and artwork or manufacture of said products without writ...

Страница 2: ...tion tape drive Target Receiver of the SCSI commands sent by an initiator Target peripheral devices include tape drives tape drive robotics disk drives optical scanners and so on iii Assumptions About Reader Knowledge This manual assumes that the reader is familiar with The operational principles of tape drives The Small Computer Systems Interface SCSI iv Safety Summary Observe the following safet...

Страница 3: ...Power Up Sequence 13 5242 ACL Power Up Sequence 14 Checking and Setting SCSI the ID 15 Starting and Testing 17 Troubleshooting 18 Configuring the 5242 and 5242 ACL for Nonstop Servers 19 Chapter Four 24 Preventive Maintenance 24 5242 Tape Path Cleaning 24 5242 ACL Tape Path Cleaning 25 Cleaning the Exterior 26 Operating Environment 26 Chapter Five 27 Technical Support 27 Chapter Six 28 Cabling Lim...

Страница 4: ...1 LCD Messages 43 Chapter Four 49 Upgrading Firmware 49 Section 4 SCSI Electronics Chapter One 50 Controls and Indicators 50 Mode Switch 50 LEDs 50 Front Panel LCD 51 Understanding the Capacity Bar Graph 51 Chapter Two 51 Introduction 51 Initial LCD 52 Performance LCD Format 52 Setting Tape Density 55 Setup Display Format 55 Setup 1 Configuration Display Format 58 Setup 2 Configuration Display For...

Страница 5: ...ides information that applies to both the 5242 and the 5242 ACL tape drive Section II Provides a detailed description of the 5242 tape drive Section III Provides a detailed description of the 5242 ACL tape drive Section IV Explains the electronics that execute SCSI commands to the tape drive and that provide performance and statistical information to the LCD HP StorageWorks DAT 72 Models 5242 and ...

Страница 6: ...ention LED Programmable Error Alert LED Compression Indicator LED Write E F COMPRESS 2 3 1 Eject 6 Mode Switch 4 Line LCD 8 Characters per line Select Button Eject Button Load Tape Button Tape Activity LED Operator Attention Required LED Magazine Present LED Autoloader LCD Figure 2 5242 ACL Autoloader s front panel Recommended Cleaning Schedule for 125m DDS 3 and 170m DAT72 Tape Cartridges Number ...

Страница 7: ...cts the cartridge Note If the cartridge ejects after only about 14 seconds this means the cartridge has reached the end of its useful life and no cleaning has occurred The Cleaning Needed LED may still be illuminated If this happens discard the cartridge and with a new cleaning cartridge repeat the cleaning operation Take the cartridge out of the drive Write the date on the label of the cleaning c...

Страница 8: ...red for HP NonStop S series servers H06 03 or later versions of OSM are required for HP Integrity NonStop servers 5242 and 5242 ACL tape drives are supported on G06 10 through G06 22 by installing the G06 23 or later version of OSM and the appropriate software product revisions SPRs See prerequisite SPRs for OSM In the OSM Migration Guide for G06 23 or later 1 4 SCSI Cable A copper SCSI cable is u...

Страница 9: ...d to record and read back system data 1 6 3 Humidity To avoid condensation problems allow a tape to stabilize at least two hours after a change in humidity or temperature before using 1 6 4 Life Expectancy of Tapes DDS certified media is electronically checked to withstand at least 2000 passes Under optimum environmental conditions 50 relative humidity 22ºC this is equivalent to about 200 to 300 b...

Страница 10: ...id if a cartridge is used when write protected 1 7 Labeled and Unlabeled Tapes The 5242 and 5242 ACL tape drives can use both labeled and unlabeled cartridge tapes A tape label is a record at the beginning of a tape that identifies the tape volume and the files it contains An expiration date protects labeled tape information from being accidentally overwritten A scratch tape is a labeled tape with...

Страница 11: ...st 3 0 Mb s asynchronous 10 0 Mb s synchronous 1 8 5 Interface SCSI 3 high voltage differential 1 8 6 LCD status display and control panel include Intelligent front end backlit supertwist LCD Advanced drive test and exercise function Firmware upgrade function HP StorageWorks DAT 72 Models 5242 and 5242ACL User s Guide 4 HP Part Number 528296 003 July 2005 ...

Страница 12: ...y of the cartridge to 72 GB The DAT72 format allows compressed data to be stored in a way that maintains the full functionality of the DDS 3 format and ensures backward compatibility in reading and writing with existing 5142 and 5142ACL DDS 3 tape drives The drive automatically decompresses data even if data compression is switched off DDS 3 tapes written on a DAT72 drive are readable on a DDS 3 d...

Страница 13: ...pe drive online Bringing the 5242 or 5242 ACL tape drives online after installation 6 Verify or set the SCSI ID for the 5242 or 5242 ACL tape drive Checking and setting the SCSI ID 7 Verify that the 5242 or 5242 ACL tape drive is ready for use Starting and testing the 5242 and 5242 ACL tape Table 4 Summary of the tasks for installing the 5242 or 5242 ACL tape drives 3 2 1 Installation Planning If ...

Страница 14: ... to 80 5 to 95 Acoustic Noise 28 dB N A Table 5 Environmental requirements for the 5242 and 5242 ACL Country Region Current Amps Voltage Volts Plug North America locking plug 10 125 NEMA 5 15P North America locking receptacle 10 125 NEMA 5 15R Austria Belgium Finland France Germany Netherlands Norway and Sweden 10 250 CEE 7 7 Australia New Zealand 10 250 AS 3112 United Kingdom 10 250 BS 1363 Switz...

Страница 15: ...ements for the tape drive Each tape drive includes a 1 8 meter 6 foot AC power cord One end of the power cord plugs in to the socket near the AC power switch at the rear of the tape drive The other end of the power cord is routed to the AC power source See Connecting and Routing the AC Power Cords page 10 3 2 2 Unpacking the 5242 and 5242 ACL Tape Drives The 5242 and 5242 ACL tape drives are shipp...

Страница 16: ...5242 or 5242 ACL tape drive into place Note the service clearance information See Section 1 Chapter 3 Page 6 8 Install the tape drive and connect it to the NonStop server See the next section 3 2 3 Installing the 5242 and 5242 ACL Tape Drive This subsection describes the steps necessary to install the 5242 or 5242 ACL tape drives 3 2 3 1 Connecting and Routing the AC Power Cord An AC power cord co...

Страница 17: ...SI cable links Connect one of these ports to the NonStop S series server M8201 Fibre Channel to HVD SCSI router or S Series I O enclosure for use on Integrity NonStop servers A SCSI terminator plugs into the other port See Figure 9 Connect the SCSI cable to the SCSI port on the tape drive 1 Locate the SCSI cable 2 Align the 68 pin SCSI cable connector which has thumb screw connectors with the unca...

Страница 18: ...the 5242 ACL magazine is not in the drive 3 Apply power to the tape drive by setting the AC power switch to the ON position To power off the tape drive set the AC power switch to the OFF 0 position See Figures 8 and 9 O l Fan AC Out Power Connector AC In Power Connector Power Switch SCSI Connectors AC Out Power Connector Blank Figure 8 AC power switch on the 5242 tape drive O l Fan SCSI Connectors...

Страница 19: ...slot If an error message appears during the power up sequence see Troubleshooting the 5242 and 5242 ACL Tape Drives on page 17 Write E F COMPRESS 2 3 1 Detail A 1 2 1 2 Tape Clean Attn Eject Button Mode Switch Figure 10 5242 tape drive LEDs 3 2 3 6 5242 ACL Power Up Sequence The AC power switch at the rear of the tape drive powers all internal components When power is applied the 5242 ACL performs...

Страница 20: ...Setting the SCSI ID The SCSI ID identifies the tape drive to the NonStop server To display the SCSI ID use the mode button and main LCD on the tape drive front panel Tape drives attached to a NonStop server use a SCSI ID of 5 daisy chained drives use IDs 5 and 4 Tape drives always shipped with a SCSI ID of 5 Check the SCSI ID during installation or after tape drive replacement The SCSI ID of a tap...

Страница 21: ...dicates what digit is alterable To increment the digit press the mode switch 6 If no mode switch activity occurs for four seconds the display shows PRESS if Done to confirm the setting The displays returns to the Setup 1 configuration menu Press the mode switch to exit the setup menus 7 Check the new SCSI ID 8 After setting the SCSI ID cycle power to the drive using the AC power switch on the rear...

Страница 22: ... as processor numbers for the tape process logical device number of the tape device and current state of the tape device For example STATUS TAPE TAPE0 DETAIL STORAGE Detailed Status TAPE TAPE0 Tape Process Information LDev State SubState Primary Backup DeviceStatus PID PID 68 STARTED 0 291 1 273 ONLINE BOT Current Settings ACL NOT INSTALLED UNK BufferLevel RECORD CheckSumMode NORMAL I O Compressio...

Страница 23: ... correct problem If you need further help solving an installation problem contact the HP Global Customer Support Center 5242 Tape Drive Does Not Function Properly Symptom Correct Action Tape drive does not respond to software commands or it functions abnormally Note Refer to page 32 to identify error conditions indicated by drives status LEDs Check that a SCSI cable is firmly attached to one of th...

Страница 24: ...Identifying FRUs Completing the PMF or IOMF Configuration Form Configuring the 5242 and 5242 ACL tape drive online using SCF Integrity NonStop servers are also covered in this section They are configured in a similar manner except for the addition of some extra syntax specific to the Integrity server 3 3 1 The Group Module and Slot Hierarchy Components in a NonStop S series server are organized ac...

Страница 25: ... you locate I O controllers that need service Some software might show the location using abbreviations for group module and slot For example the Subsystem Control Facility SCF storage subsystem might display the location of a PMF or IOMF as PMF GRP 1 SLOT 50 For more information on system organization group numbering or labeling for a NonStop S series server refer to the Nonstop S Series Planning...

Страница 26: ...s Example 1 Defining and Adding a Tape Drive Use the SCF ADD TAPE command to define and add a 5242 or 5242 ACL tape drive to the NonStop server configuration Before using the ADD TAPE command check that the tape drive is installed properly For installation instructions refer to page 5 Verify the group enclosure module and slot to which the tape drive it is connected The first example below adds a ...

Страница 27: ...PE1 ADD TAPE TAPE1 SENDTO STORAGE LOCATION 2 1 50 PRIMARYCPU 2 BACKUPCPU 3 PRODUCT 5242 The syntax is slightly different for Integrity NonStop servers ADD TAPE TAPE1 SENDTO STORAGE LOCATION 110 3 2 LUN0 SAC2 PORTNAME wwn of device to be connected PRIMARYCPU 2 BACKUPCPU 3 PRODUCT 5242 For more information on the ADD and INFO commands see the SCF Reference Manual for the Storage Subsystem Example 2 ...

Страница 28: ... and INFO commands see the SCF Reference Manual for the Storage Subsystem Example 3 Deleting a Tape Drive From the System Use the SCF DELETE TAPE command to delete a tape drive form the system configuration database Before issuing the DELETE command use the SCF STATUS command to verify that the tape drive is in the STOPPED state STATUS TAPE TAPE0 STORAGE Status TAPE TAPE0 LDev State SubState Prima...

Страница 29: ... heads must be cleaned regularly Follow the recommended cleaning schedule Recommended Cleaning Schedules for 125m DDS 3 and DAT72 Tape Cartridges Number of DDS cartridges used each day 1 2 3 4 or more Recommended Cleaning Frequency 8 weeks 4 weeks 3 weeks weekly Table 10 5242 cleaning schedule using DDS 3 or DAT72 cartridges 4 2 1 Using the Cleaning Cartridge Note To prevent contamination of the t...

Страница 30: ...ttention LED flashes amber Programmable Error Alert LED Compression Indicator LED Write E F COMPRESS 2 3 1 Eject 6 Mode Switch 4 Line LCD 8 Characters per line Select Button Eject Button Load Tape Button Tape Activity LED Operator Attention Required LED Magazine Present LED Autoloader LCD Figure 21 5242 ACL front panel Recommended Cleaning Schedule for 125m DDS 3 and 170m DAT72 Tape Cartridges Num...

Страница 31: ...operation with a new cleaning cartridge 4 4 Cleaning the Exterior 4 4 1 Enclosure Use a soft damp lint free cloth to clean the enclosure Caution Do not use aerosol sprays solvents or abrasives that might damage the finish Avoid getting moisture in any openings 4 4 2 LCD Put household glass cleaner on a soft cloth and wipe the screen Caution Do not spray the cleaner directly on the LCD because the ...

Страница 32: ...lay showing the firmware revision The Performance LCD display when the error occurs A detailed description of the problem you are having with the equipment Your contact information To order replacement 5242 and 5242 ACL tape drives Description Part Number 5242 Spare tape drive FRU 528081 001 5242 ACL Spare tape drive FRU 528086 001 HP StorageWorks DAT 72 Models 5242 and 5242 ACL User s Guide 25 HP...

Страница 33: ...rential Devices The 5242 and 5242 ACL tape drives support a high voltage differential SCSI 3 interface 6 3 Cooling Fan and System The cooling system provides excellent heat dissipation at critical locations such as read write heads where excess heat results in higher data failure A unique airflow design directs cool air over these critical locations within the chassis 6 4 Specifications This secti...

Страница 34: ...C with tape loaded 6 4 6 2 Nonoperating temperature 40ºC to 45ºC 6 4 6 3 Operating humidity 20 to 80 relative humidity with tape loaded 6 4 6 4 Nonoperating humidity 5 to 95 relative humidity 6 4 7 Physical Specifications 6 4 7 1 5242 dimensions L11 5 x W8 3 x H2 5 L292mm x W211mm x H64mm 6 4 7 2 5242 ACL dimensions L11 5 x W8 3 x H4 2 L292mm x W211mm x H107mm 6 4 7 3 Weight 5242 7 0 lbs 3 18 kg 5...

Страница 35: ...Tape drive LCD status display and control panel Differential SCSI interface Terminator Power supply and fan integrated into the enclosure Power cord User manual 1 2 5242 Features Support for both DDS 3 125m and DAT72 170m tape cartridges Firmware upgradeable by code tape Subsystem firmware upgradeable by code tape Sustained streaming transfer rate of 3 MB s and up to 2 1 data compression Three lev...

Страница 36: ...he Tape LED becomes a steady green to indicate the tape is loaded 3 If an excessive number of errors are detected the Clean Attention LED number 2 in Figure 23 flashes amber Write E F COMPRESS 2 3 1 Detail A 1 2 1 2 Tape Clean Attn Eject Button Mode Switch Figure 23 Front panel LEDs and tape eject button 2 1 2 Unloading a Cartridge 2 1 2 1 The cartridge ejects from the tape drive either when you p...

Страница 37: ... COMPRESS 2 3 1 Tape Drive LEDs Eject Button Compression Indicator LED Mode Switch Figure 24 5242 front panel O l Fan AC Out Power Connector AC In Power Connector Power Switch SCSI Connectors AC Out Power Connector Blank Figure 25 5242 rear panel 3 2 Understanding the LEDs The 5242 tape drive has two LEDs that communicate drive status See Figure 26 The LEDs can help determine operating states Writ...

Страница 38: ...e cleaned or the cartridge is wearing out Steady amber indicates a hard fault The tape drive should be replaced Call the Global Customer Support Center 3 2 3 Additional LED patterns Any Any Activity load or unload Activity read or write Cartridge loaded Cleaning Needed signal Fault Power on starts with two steady lights Key Off Green Amber Flash Green 1 2s on 1 2s off Flash Amber 1 2s on 1 2s off ...

Страница 39: ...sed a certain number of times After that a tape drive reformats it for normal data use However it is not advisable to use it for data 4 You cannot convert a firmware upgrade tape for normal use 4 1 1 Upgrading the Firmware 4 1 1 1 Check that the tape drive is not engaged in any SCSI activity The tape LED is off and the NonStop server is not going to be accessing the drive 4 1 1 2 Insert the firmwa...

Страница 40: ... access mode with minimum interruption time between cartridges 1 1 1 The 5242 ACL tape drive includes Tape drive with 6 cartridge magazine LCD status display and control panel Differential SCSI interface Terminator Power supply and fan integrated into the enclosure Power cord User manual Write E F COMPRESS 2 3 1 Eject 6 Figure 28 5242 ACL tape drive 1 2 5242 ACL Features Cartridge magazine carryin...

Страница 41: ... the NonStop server can execute any diagnostic command that does not access the tape Semi Loaded A cartridge semi loads when the cartridge is in the tape drive mechanism but the tape is not threaded around the head The tape drive is off line in this state Loaded The tape loads at the end of the load sequence Then the tape drive is on line and can execute all commands including those that set confi...

Страница 42: ...hey will not work 2 4 1 With the area opposite the side label pointing toward the center of the magazine place the required number of cartridges into the magazine see Figure 30 Do Not fix labels here Label Area Figure 30 Loading cartridges in a magazine 2 4 2 Loading the Magazine Into the Autoloader 2 4 2 1 With the large arrow on the top of the magazine pointing toward the autoloader insert the m...

Страница 43: ...rtridge in the magazine 2 5 1 4 The magazine ejects 2 5 2 If the NonStop server sends a SCSI LOAD or UNLOAD command with the LOAD bit set as 0 the same procedure is followed but the magazine is not ejected at the end Note If the NonStop server has previously sent a PREVENT MEDIA REMOVAL command the unloading action is different in two ways 1 The Eject Button is disabled and has no effect It does n...

Страница 44: ...e force eject might interrupt operation the tape drive might not write EOD before the cartridge ejects This situation causes loss of data and results in a cartridge with an invalid format 2 6 4 If no cartridge is loaded in the tape drive the autoloader waits 35 seconds then begins the process of ejecting the magazine The autoloader resets as though power had been cycled Note A forced eject overrid...

Страница 45: ... indicates that a user recoverable error has occurred These errors are shown in table 12 A slow flash rate is one cycle per second medium is twice per second and fast is four times a second The message shown on the top line of the drive s front panel LCD area should help identify the problem Flash Meaning Slow Hard fault condition that the drive cannot clear Slow There is a tape in the autoloader ...

Страница 46: ...ht of the LCD individually light to indicate which magazine slots contain a cartridge 5 The odometer lines at the bottom of the LCD show how much tape remains in the current partition The more lines show the less tape capacity remains 3 2 Diagnostic Display The purpose of the diagnostic firmware is to test the autoloader s electronics for functionality During power up the drive executes a self tes...

Страница 47: ...ape Motion state covers activity involving the tape including reading and writing data Meaning Reset Firmware Upgrade State Magazine Load State Cartridge Load State Tape Motion State Functional Field Figure 34 Operating status messages 3 3 1 2 This chart Figure 35 shows the messages within each functional field and indicates how control of the LCD passes to other fields The messages in brackets do...

Страница 48: ...es is provided in Section 3 4 on this page Where possible actions that you can take to recover from an error are also noted 3 4 LCD Messages 3 4 1 The OAR column indicates the state of the Operator Attention Required LED on the autoloader s front panel while the message is being displayed 3 4 2 The Type column can present one of three letters E Error message I Informational message S Status messag...

Страница 49: ...ed through the door Push the magazine fully in or remove it Drive Comms Error Error On The drive has stopped communicating with the changer mechanism Contact the HP GCSC Eject Fail Error Flashing An eject command has failed either after you pressed the Eject button or after a host command Try forcing ejection Eject Mag Info This is displayed when you press the Eject button Error X Error Flashing T...

Страница 50: ...ape is write protected Change the write protect switch on the tape and try again FW Write Fail Error Flashing A firmware upgrade failed because of an error in writing a modified upgrade count to the tape Try again If it still fails call the HP GCSC Illegal FW Error Flashing The autoloader has failed to upgrade the drive firmware because the new firmware is incompatible Obtain a correct version of ...

Страница 51: ...witching to the other partition on a two partition tape Partition 1 too large Error On A command to format the tape has failed because the request size for partition 1 is too large Try again with a smaller partition 1 or if possible a longer tape Read Status The drive is reading data from the tape Read Fail Error Flashing A read has failed The host should reposition and try again Rewind Status The...

Страница 52: ...he cartridge in the drive is faulty possibly because the tape has snapped or the cartridge has an invalid pattern of identification holes Use a new cartridge and ensure that it is Media Recognition System Tape Full Error On A READ SPACE WRITE or WRITE FILEMARKS command encountered EOP When reading this might mean the required data is on the next cartridge in sequence Tape has DC data Error On A RE...

Страница 53: ...e end of its useful life Copy any data you want to keep from the cartridge onto a new cartridge and discard the old cartridge Write x y Status The drive is writing data to tape x y 1 is the cumulative compression ratio since power on or since the compression ratio was lasted cleared for example Write 2 1 means a compression ratio of 2 1 1 The compression ratio is only displayed after about 1 megab...

Страница 54: ...I activity The Tape Activity LED is off It is recommended that you first take the unit off line and unplug the SCSI cable from the tape drive 2 Place the firmware upgrade tape into magazine slot 1 Insert the magazine into the autoloader 3 About halfway through the upgrade process the tape drive automatically ejects the cartridge and the changer mechanism replaces it in the magazine The magazine ej...

Страница 55: ... drive display unit has two LEDs one green and one amber The green LED indicates that data compression is active The amber LED is a user programmable error alert indicator that lights when the error rate percentage reaches a predetermined value To set this value or alter it use the mode switch in conjunction with the setup menus Green Amber Mode Switch Compression Indicator LED Programmable Error ...

Страница 56: ...I bridge electronics applies the current average compression ratio if any computes the then current maximum capacity and displays the bar graph by incrementing or decrementing the appropriate number of vertical bars between the empty icon and the full icon There are thirty vertical bars each equating to approximately 3 33 of total capacity Read E F ECC Rate 0 0 Full Icon Empty Icon Capacity Indica...

Страница 57: ...Up Screen Figure 40 LCD at startup When the drive is accessed the LCD presents the tape drive model identification and firmware level on the top two lines and the SCSI bridge electronics product name firmware level and host SCSI ID on the bottom two lines The tape drive is now selectable by the NonStop server at the host SCSI ID Figure 41 Identification of LCD items This screen appears similar for...

Страница 58: ...3 2 Total Data Transferred Total data bytes read or written from the tape drive appear with a KB 1024 MB 1024 x 1024 or GB 1024 x 1024 x 1024 multiplier On the first read or write command following a rewind the count is set to zero Write E F TOTL XFR 74MB Figure 44 Total data transferred LCD 2 3 3 Transfer Rates in Kbytes per Second The average transfer rate between the NonStop server and the tape...

Страница 59: ...d and uncompressed data lengths as reported by the tape drive The ratio always appears in the format XX X 2 3 5 Remaining Capacity This value is an estimate of remaining tape capacity that is computed by multiplying the average compression ratio by the remaining block count which was obtained from the tape drive KB MB and GB represent multipliers of 1024 1024 x 1024 and 1024 x 1024 x 1024 respecti...

Страница 60: ...e should be at FF only DEN FF Rev 0096 5170 T134 ID5 a b c Figure 49 Compression control screens 2 4 1 To enable compression Press the mode switch when the LCD appears as shown in Figure 49a 2 4 2 To disable compression Press the mode switch when the LCD appears as shown in Figure 49b 2 4 3 To enable host control of density Press the mode switch when the LCD appears as shown in Figure 49c 2 5 Setu...

Страница 61: ...TING in SETUP 1 and SETUP 2 is the value that you can change 3 INSTRUCTION describes what action should be taken if the mode switch is pressed If the mode switch is inactive for four seconds the display changes In general the menu system is designed to show continuously the current settings with the instruction PRESS to Alter which lets the operator alter the value 2 5 2 Changing a Setting Dependi...

Страница 62: ... and then continue editing the setting SCSI ID 00 PRESS to Alter SCSI ID 01 PRESS if Done SCSI ID 01 PRESS to Incremnt Figure 52 Numeric entry example 2 5 2 2 Pick Entry Method Allows you to select from a predefined list of items When PRESS to Scroll displays on the LCD you can view the list of items by pressing the mode switch When the switch is inactive for four seconds the instruction PRESS if ...

Страница 63: ...t SCSI ID used by the NonStop server to select the tape drive Enter a value 0 to 15 using the Numeric Entry Method No two devices can have the same SCSI ID on the host bus For available SCSI Ids consult your system administrator Note The ability to independently set the tape drive SCSI ID and the NonStop server SCSI ID is very useful The tape drive ID can be altered from tape drive front panel wit...

Страница 64: ...erally preferred and a setting of FF should be used These other density values allow the SCSI bridge electronics to control the tape density DAT Drives C0 Compressed mode 40 Noncompressed mode FF Density controlled by the host software HP StorageWorks DAT 72 Models 5242 and 5242 ACL User s Guide 57 HP Part Number 528296 03 July 2005 Note Once the settings have been configured through the setup men...

Страница 65: ...tape tends to wear sooner than the rest of the tape As a result it is not unusual to experience rewrites or ECC s at the beginning of tape If these occur the predetermined thresholds can be exceeded early but the percentage then drops below the threshold as reading or writing moves further down the tape To signal this the error alert LED flashes when the error rates exceed the set values but retur...

Страница 66: ... Setup 2 configuration items 2 7 1 Editing the Option Access Key Key 2 01 288FEA NOT sel ectable Figure 61 Editing the option access key This option is factory configured and is not user selectable 2 7 2 Configuring the Options Setting Options 00001400 PRESS to Alter Options 01001400 PRESS to Incremnt Options 00001400 PRESS if Done Figure 62 Configuring the options setting HP StorageWorks DAT 72 M...

Страница 67: ...oll BaudRate 9600 bps PRESS to Alter BaudRate 19K2 bps PRESS if Done BaudRate 2400 bps PRESS to Scroll Figure 63 Selecting a baud rate Four different baud rates are available for connecting to a serial terminal or terminal emulator No parity 8 data bits 1 stop bit and xon xoff flow control The 3 pin serial connector on the tape drive can connect to a PC serial port by using a communication package...

Страница 68: ...ou can observe the error rate If after you use a new tape and clean the heads a high error rate persists you might have a tape drive problem Other errors might display the KEY ASC ASCQ bytes of a Request Sense command that are described in your tape drive product manual 2 8 1 Invoking the Drive Test Option Enter Set Up 3 PRESS to Select 10M Fixd Tst PRESS to Run 10M Vari Tst PRESS to Run 200M Fixd...

Страница 69: ...xd Tst PRESS to Run Write E F RWr Rate 0 0 Write E F COMPRESS 2 3 1 Write E F XFR RATE 424KB s Write E F TOTL XFR 24MB 200M Fixd Tst PRESS to Escape Pass E F REMAIN G 1 9GB Write E F REMAIN G 1 9GB Press to Return to Self Test Menu Figure 66 Example drive test HP StorageWorks DAT 72 Models 5242 and 5242 ACL User s Guide 62 HP Part Number 528296 03 July 2005 ...

Страница 70: ...S to Start Pass E F REMAIN G 1761MB Enter Set Up 3 PRESS to Select Drive Test PRESS to Run Variable Mode PRESS to Toggle Ready to Run PRESS to Escape Write E F RWr RATE 0 0 Write E F TOTL XFR 1024MB Write E F REMAIN G 1 8 Write E F XFR RATE 301KB s Press to Return to Self Test Menu Figure 67 Example custom drive test menu HP StorageWorks DAT 72 Models 5242 and 5242 ACL User s Guide 63 HP Part Numb...

Страница 71: ...fTest Hdwr Test Ram Test Reset Figure 68 Activating a hardware self test 2 8 3 Making a Code Tape Create a CodeTape waiting for tape Create a CodeTape PRESS to Escape Enter Set Up 3 PRESS to Select Create a CodeTape PRESS to Run Create a CodeTape PRESS to Confirm Load Tape Figure 69 Making a code tape HP StorageWorks DAT 72 Models 5242 and 5242 ACL User s Guide 64 HP Part Number 528296 03 July 200...

Страница 72: ...ing a code tape The SCSI bridge electronics firmware can be upgraded by using a Code Load Tape You are prompted to insert the tape Do not disturb the unit s power until the end of the procedure The SCSI bridge electronics relocate some internal firmware switch to the Performance Display format read 64Kb and verifies the tape rewinds the tape rereads the 64Kb programs the firmware and unloads the t...

Страница 73: ...d Checking 34 Specifications Electrical 63 Environmental 64 LCD 63 Physical 65 Transfer Rates Burst 12 Sustained 12 Starting 38 Testing 39 Troubleshooting 40 Agency Approvals 64 Burst Transfer Rates 12 Component Part Numbers 7 DAT72 Display Unit specifications 63 HP Processor Multifunction PMF 5 HP NonStop servers Configuring 43 5242 and 5242ACL Online Using SCF 47 Using the SCF 50 Group 43 Identi...

Страница 74: ...5242 and 5242 ACL User s Guide 67 HP Part Number 528296 03 July 2005 Tape Cartridge 8 Capacity 11 Cleaning Tape 8 Compatibility 13 Humidity 8 Labeled and Unlabeled Tapes 11 Life Expectancy 9 Using Labels 9 Write Protecting 10 Tape Drive Specifications 63 ...

Страница 75: ...enerates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Any changes or modifications not expressly approved...

Страница 76: ... comply with both the EMC Directive 89 336 EEC and the Low Voltage Directive 73 23 EEC issued by the Commission of the European Community Compliance with these directives implies conformity to the following European Norms the equivalent international standards are in parenthesis ΕΝ55022 ΧΙΣΠΡ 22 Ελεχτροµαγνετιχ Ιντερφερενχε ΕΝ55024 ΙΕΧ61000 4 2 3 4 5 6 8 11 Ελεχτροµαγνετιχ Ιµµυνιτψ ΕΝ61000 3 2 ΙΕΧ...

Страница 77: ...ψ ΗΠ Αυτηοριζεδ Σερϖιχε τεχηνιχιανσ το ρεπα ιρ τηε µοδυλε The Center for Devices and Radiological Health CDRH of the U S Food and Drug Administration implemented regulations for laser products on August 2 1976 These regulations apply to laser products manufactured from August 1 1976 Compliance is mandatory for products marketed in the Unites States SAFETY CAUTION The following icon or caution stat...

Страница 78: ...U Observe the following limits when connecting the product to AC power distribution devices For PDUs that have attached AC power cords or are directly wired to the building power the total combined leakage current should not exceed 5 percent of the rated input current for the device HIGH LEAKAGE CURRENT EARTH CONNECTION ESSENTIAL BEFORE CONNECTING SUPPLY HOHER ABLEITSTROM VOR INBETRIEBNAHME UNBEDI...

Страница 79: ...n be accessed from the left navigation area of the NTL home page select NonStop Computing Important Safety Information A document window containing a binder of safety information in several languages appears In the document window click a document title to open the safety information in another language Local HP support can also help direct you to your safety information ...

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