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Order Number: EK–STWCT–UG. E01

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Product Specifications

This appendix lists the product specifications for the StorageWorks 8505 8mm Cartridge Tape Drive.

Read & Write Format

Recording Format — 8mm Helical-Scan Digital Computer Tape

Head Configuration — Read-after-write head pairs with separate full-width erase head

Linear Density

8500 mode — 45434 bpi

8200 mode — 43271 bpi

Track Density

8500 mode — 1638 tracks per inch

8200 mode — 819 tracks per inch

Area Density

8500 mode — 74 million bits/sq. inch

8200 mode — 35 million bits/sq. inch

Formatted Capacity with a TKZ8x (112 meter tape)

5000 MBytes (native)

10,000 MBytes (compressed)

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Controller Features

Integrated SCSI Controller and Formatter

Standard SCSI Interface Connection (single-ended)

Onboard Error Correction Code (ECC) — (ECC: Reed-Solomon Product Code)

Error Recovery Procedures (ERP)

Transfer rate (peak):

5.0 MBytes/sec. synchronous

2.5 MBytes/sec. asynchronous

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Compression capacity and throughput ratios will vary dependent upon type of data.

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Содержание 8505

Страница 1: ...8505 8mm Cartridge Tape Drive User s Guide Order Number EK STWCT UG E01 ...

Страница 2: ...the user a license under any patents pending patents trademarks or copyrights or other rights of Digital Equipment Corporation or of any third party FCC Notice This equipment generates uses and may emit radio frequency energy The equipment has been type tested and found to comply with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules which are designed to prov...

Страница 3: ...ower On 2 1 Unpacking the StorageWorks 8505 8mm Cartridge Tape Drive 2 1 2 2 Installation Documents 2 1 2 3 Performing the Initial Power On 2 2 3 Operating the Cartridge Tape Drive 3 1 Location of Controls and Indicators 3 1 3 1 1 Unload Button 3 2 3 1 2 LEDs 3 2 3 2 Recommended Data Cartridge 3 3 3 3 Setting the Write Protect Switch 3 3 3 4 Loading a Data Cartridge 3 4 3 5 Load Time 3 5 3 6 Unloa...

Страница 4: ...s 8505 8mm Cartridge Tape Drive 1 1 1 2 Option SWXTE AA One Tape Drive in a Device Carrier 1 2 1 3 Option SWXTE AB Two Tape Drives in a Device Carrier 1 3 1 4 Option SWXTE AC For Installation in Desktop Expansion Unit 1 3 3 1 Front Panel Controls and Indicators 3 1 3 2 Front Panel LEDs 3 2 3 3 Write Protect Switch on 8mm Data Cartridge 3 4 4 1 Cleaning the Cartridge Tape Drive 4 3 Tables 1 1 Read ...

Страница 5: ... revision history lists all revisions of this publication and their effective dates The publication part number is included in the Revision Level column with the last entry denoting the latest revision Revision Level Date Summary of Changes EK STWCT UG A01 December 1993 Original release EK STWCT UG B01 March 1994 Cleaning cartridge and Appendix B added EK STWCT UG C01 August 1994 Appendix C added ...

Страница 6: ...iew of the StorageWorks 8505 8mm Cartridge Tape Drive and describes the three packaging options for the drive SWXTE AA SWXTE AB and SWXTE AC It also describes the formats the drive can read and write Chapter 2 Installation and Initial Power On Installation and Initial Power On refers you to the appropriate installation information and provides information about the initial power on of the cartridg...

Страница 7: ... for the system administrator It must be read before installing and using the cartridge tape drive SBB with a host system operating with the HP UX 9 04 or later operating system Conventions This guide uses the following conventions Documentation Conventions Style Meaning boldface type For emphasis italic type For emphasis and manual titles Ordering Data and Cleaning Cartridges You can order data a...

Страница 8: ...About This Manual Order Number xxx xxx xxx iii Cleaning cartridge 3 cleaning passes 727113 Cleaning cartridge 12 cleaning passes 727386 ...

Страница 9: ... is packaged in an industry standard 5 25 inch half height form factor The half height size allows for ease of integration across a multitude of platforms Figure 1 1 StorageWorks 8505 8mm Cartridge Tape Drive 1 2 StorageWorks Packaging Options for the Cartridge Tape Drive The StorageWorks 8505 8mm Cartridge Tape Drive is available as three packaging options as follows SWXTE AA Figure 1 1 SWXTE AB ...

Страница 10: ...NOTE The expression StorageWorks Building Block or SBB is used in StorageWorks documentation to refer to a device such as tape or disk drive that is installed in a device carrier Option SWXTE AB is a configuration in which a second 8mm tape drive is installed in a device carrier Note that the device carrier is shipped to you with both drives already installed if options SWXTE AA and SWXTE AB are o...

Страница 11: ... SWXTE AB Two Tape Drives in a Device Carrier Option SWXTE AC is a configuration in which an 8mm tape drive is installed in a desktop expansion unit Figure 1 4 shows the tape drive as it is shipped to you Figure 1 4 Option SWXTE AC For Installation in Desktop Expansion Unit ...

Страница 12: ...ng in the EXB 8200c compressed format the tape drive can store up to 5 0 GBytes of data on a single 8mm data cartridge assuming an average compression efficiency of 2 1 When writing in the non compressed EXB 8200 format the tape drive can store up to 2 5 GBytes of data on a single 8mm data cartridge Refer to Appendix B and C of this guide for detailed data format information for your specific oper...

Страница 13: ... It uses the EXABYTE Compression Integrity Check feature to ensure that data is accurately compressed and decompressed into the original form sent by the host computer The compression algorithm is completely contained in an EXABYTE proprietary integrated circuit When data compression is enabled by the user the tape drive invokes the compression algorithm intelligently constantly monitoring the com...

Страница 14: ...lical scan cassette tape drive One 8mm cassette tape One head cleaning cassette StorageWorks SBB user s guide Also check the contents for damaged components Notify your vendor immediately if any items are damaged Keep all boxes and packing material for reshipment 2 2 Installation Documents The 8mm Cartridge Tape Drive is available as three different options The following list shows the option numb...

Страница 15: ...g the tape drive into its desktop expansion unit or expansion storage pedestal cabinet and then applying power to the cabinet When you apply power the drive performs its power on initialization and self test POST Assuming that no data cartridge is loaded and that the tape drive is connected correctly POST takes about 30 seconds as follows During the first part of POST all three LEDs will be lit Du...

Страница 16: ...lowing topics How to use the tape drive operator controls and indicators including a table showing how the LEDs represent the drive s operating states How to set the write protect switch on the data cartridge How to load and unload data cartridges 3 1 Location of Controls and Indicators Figure 3 1 shows the controls and indicators on the front panel of the StorageWorks 8505 8mm Cartridge Tape Driv...

Страница 17: ...le 3 1 shows the combinations of LEDs that may occur during tape drive operation You can use these LED combinations to determine the drive s operating state as follows When the top amber LED is on or flashing the drive has an error or needs to be cleaned When the middle LED is on or flashing SCSI bus activity is occurring The middle LED can be green or amber as follows Amber When the LED is amber ...

Страница 18: ...t 4 flashes second irregular Rate of flash varies depending on SCSI bus activity If the 8mm tape drive is not connected to the SCSI bus the LED will be off If a tape is loaded the bottom LED will flash slow and then fast during the second part of the power on self test POST NOTE You may occasionally observe LED combinations and sequences not described in Table 3 1 These other combinations represen...

Страница 19: ...he data cartridge is write enabled and can be written to or erased Figure 3 3 Write Protect Switch on 8mm Data Cartridge 3 4 Loading a Data Cartridge To load a data cartridge into the tape drive follow these steps 1 Ensure that the write protect switch has been set correctly for the desired operation see Section 3 3 above 2 If you have just powered on the drive be sure that the bottom green LED an...

Страница 20: ...oad button These steps assume that a data cartridge is loaded and that the drive is ready NOTE Approximately 10 seconds will elapse after you press the unload button before the bottom LED begins to flash 1 Any command or operation currently in progress is completed 2 Any buffered information is written to tape and an EOD mark is written to indicate the end of data EXB 8500c and EXB 8500 and EXB 82...

Страница 21: ... in Section 4 3 useful CAUTION Using cloth swabs cotton swabs cleaning agents or cleaning cartridges is not recommended and will void the warranty on the tape drive 4 1 Determining When the Tape Drive Needs Cleaning You should clean the tape drive s heads and tape path after every 30 hours of tape motion This cleaning frequency does not depend on the format in which you write and read data However...

Страница 22: ...ng see Figure 4 1 If there are no cleaning cycles remaining discard the cleaning cartridge and use a new one 3 Insert the cleaning cartridge in the tape drive The remainder of the cleaning cycle is performed automatically by the tape drive When the cleaning cycle is complete the cartridge is unloaded and ejected from the tape drive The cleaning cycle may range from 2 to 3 minutes 4 To confirm that...

Страница 23: ... Apply power to the tape drive This is accomplished by applying power to the storage subsystem that houses the drive i e drive expansion pedestal or desktop expansion unit The drive performs its power on initialization and self test POST Assuming that no data cartridge is loaded and that the tape drive is connected correctly POST takes about 30 seconds as follows During the first part of POST all ...

Страница 24: ...the bottom LED is on continuously the drive is ready 5 Perform a write operation to write approximately 500 MBytes of data to the tape You can perform the write operation with a system command or utility or with your back up software If you use your back up software be sure you write to a hard drive scratch area 6 Rewind the tape and then read the data written on the tape in step 5 7 Repeat steps ...

Страница 25: ...mode 1638 tracks per inch 8200 mode 819 tracks per inch Area Density 8500 mode 74 million bits sq inch 8200 mode 35 million bits sq inch Formatted Capacity with a TKZ8x 112 meter tape 5000 MBytes native 10 000 MBytes compressed 1 Controller Features Integrated SCSI Controller and Formatter Standard SCSI Interface Connection single ended Onboard Error Correction Code ECC ECC Reed Solomon Product Co...

Страница 26: ...s than one in 10 17 bits read MTBF 80 000 hours MTTR 30 minutes Tape Motion Tape speed 0 436 ips Effective head to tape speed 150 ips Max rewind speed 75 times nominal Media 8mm data cartridge Digital part number TKZ8x ANSI ISO IEC 11319 1992 and ECMA 145 8mm wide magnetic tape cartridge for information exchange Cleaning Cartridge Exabyte approved 8mm cleaning cartridge SCSI Command Set Test Unit ...

Страница 27: ...0 F to 140 F Relative humidity noncondensing 20 to 80 SCSI Characteristics SCSI 2 Specification ANSI X3 131 1990 Sequential Access Device SCSI Bus Parity Configurable Full Disconnect Arbitration Reconnect Asynchronous and Synchronous Data Transfer Supported Connector Type Standard StorageWorks Connector Termination None Single Ended Physical Dimensions Tape Device Standard 5 25 inch half high form...

Страница 28: ...user level tape read write software program may be required to implement tape support under the Novell MS DOS MS DOS Windows or Windows NT environments There are many commercial software products available that provide host or network based data backup and restore archiving data logging etc functionality for these operating systems Before purchasing a user level software product ensure that the ta...

Страница 29: ...rder to support the addition of this device drive information must be supplied in the sys scsi targets st_conf c file For additional information read the man pages for st Perform the following steps to modify the system to communicate with the SWXTE tape drive From the command line type cd sys scsi targets Edit the st_conf c file and carefully add the following structure before the entry for Exaby...

Страница 30: ...ndor unique density code for the EXB 8500 in the uncompressed mode 0x8C is the density code for the EXB 8500c in the compressed mode the ninth string 0 0 is the speed code not used After you have edited the st_conf c file and added the above entry rebuild the kernel using the standard procedure for further help refer to the man pages of config Install the tape SBB into the StorageWorks enclosure a...

Страница 31: ...v rst4 etc passwd The system responds with a etc passwd 1 blocks Note that depending on the size of the file a different number of blocks may be reported Verify that the passwd file was saved to tape using the following command tar tvf dev rst4 The system responds with etc passwd The installation and verification procedure is now complete C 2 2 Information C 2 2 1 Operation with SPARC Server 4 470...

Страница 32: ...e blocking factor 126 Example 1 The following example shows backing up the entire disk partition onto the SWXTE tape drive dump 0dsbf 54000 13000 126 dev rst20 dev sd0g Example 2 The following example shows backing up the usr partition on disk sd2g onto the SWXTE tape drive assigned as rst4 in the low density mode The following would be useful if you want to read the tape in an EXB 8200 drive whic...

Страница 33: ... communicate with the SWXTE tape drive From the command line type cd kernel drv Edit the st conf file by adding the following before the first occurrence of name entry for 8505 tape drive tape config list EXABYTE EXB 8505 DEC EXB 8505 8mm Helical Scan w Compression swxte data swxte data 1 0x35 1024 0x1639 4 0x14 0x90 0x15 0x8C 3 where In the tape config list string The first string EXABYTE EXB 850...

Страница 34: ...0c in the compressed mode The eight parameter 0x15 is the vendor unique density code for the EXB 8500 uncompressed mode The ninth parameter 0x8C is the default density code for the EXB 8500c in the compressed mode The last parameter in the swxte data string is the default density 3 EXB 8500c in the compressed mode After you have edited the st conf file shut down the system as follows cd shutdown i...

Страница 35: ...ode Option b associates with the BSD behavior and is for backward compatibility on all of the above options For further information refer to the man pages of mtio The n option provides access to the device with no rewind similar to nrst below and is also applicable to all of the above options rst format Special files rst rewind on close and nrst no rewind on close are also built and reside in the ...

Страница 36: ...drv directory Change the tape type in the swxte data string from 0x35 generic 8mm tape drive to 0x29 Exabyte 8500 8mm cartridge and re boot the system with the boot r option You can now run sundiag when the system is up and running CAUTION Remember to change the tape type back to 0x35 and re boot the system with the boot r option after running sundiag C 2 3 Dump Parameters for the Tape Drive The p...

Страница 37: ... how to install the device using the command line interface D 1 1 Installing the SWXTE Using the SMIT Command From the command line type smit dev Select menu entry Configure the devices you have added after the IPL Select menu entry Change show the characteristics a Select the entry that matches the controller and target ID of your installation Example rmt1 available 00 03 00 50 other SCSI tape dr...

Страница 38: ...sted Code Density Code Meanings 0 for EXB 8500 compression on suppress density error checking 20 for EXB 8200 density error checking enabled 21 for EXB 8500 density error checking enabled 127 for current density suppress density error checking 140 for EXB 8500 compression on density error checking enabled 144 for EXB 8200 compression on density error checking enabled The files that are created are...

Страница 39: ...ten 3 Most tape drives use 512 byte block size The 8mm tape drive uses a minimum block size of 1024 bytes Using SMIT to lower the block size will waste space D 1 3 Using the SWXTE 8mm Tape Drive to Install AIX Perform the installation procedure as described in AIX version 3 2 Installation Guide SC23 2341 Chapter 1 ending after completing step F 5 c of the procedure If the tape device is displayed ...

Страница 40: ... E 2 Modifications Required for HP UX 9 05 on Series 700 Systems and HP UX 9 04 on Series 800 Systems E 2 1 Installation Procedure NOTES The EXB 85058SQANXR1 designation returned in response to SCSI inquiry during performance of the following procedure is the StorageWorks internal name for the tape drive as incorporated in and used by the firmware E 2 1 1 Installation of Tape Drive After ensuring ...

Страница 41: ...EXB 8505 Cartridge Tape System SBB as shown in the examples listed below dev rmt c d hlmc n b where c specifies the controller designation which may contain either two or three characters specifies the following where is sc f in accordance with the following s is the system bus module 2 core I O the default 4 EISA c is the slot number 0 for core I O 4 for EISA f is the function number This value i...

Страница 42: ...ogical unit number of the tape drive as reported from the ioscan f command n indicates no rewind c indicates compressed data b specifies Berkeley behavior Example If you were to install a tape drive SBB on the main core SCSI bus and in slot location 4 of the StorageWorks SWXSE 02 expansion enclosure the following device files would be produced in dev rmt assuming a logical unit number of 8 8_8mm82...

Страница 43: ... now complete E 2 2 Dump Parameters for the Tape Drive The parameters that should be used when running the dump utility with the tape drive are density 54000 size choose from table 15 m 54 m 112 m 8200 c 804 2893 6000 8500 c 1741 6268 13000 blocking factor 126 recommended Example The following example shows the command for backing up an entire disk partition onto the tape drive using a 112 meter t...

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Страница 45: ...ellent Good Fair Poor Accuracy correct presentation of facts Completeness adequate information Clarity easy to understand Organization logical sequence of information Layout easy to follow subject matter Indexing easy to locate desired information Errors Noted please include page paragraph table or figure number Most Liked Features Least Liked Features Suggestions for Improvement Return Address Cu...

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