Quantum A-Series FTP User Manual

Other manuals for A-Series FTP: Release Note, Quick Start Manual
Manual is about: A-Series Tape Drives

Summary of A-Series FTP

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    81-81487-04 a01 a-series tape drives a-series t ape drives 5sers'uide5sers'uide5sers'uide5sers'uide 5sers'uide 5sers'uide5sers'uide.

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    Quantum a-series tape drives user’s guide, 81-81487-04 a01, july 2008. Quantum corporation provides this publication “as is” without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability or fitness for a particular purpose. Quantum co...

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    Quantum a-series tape drives user’s guide iii contents preface xi chapter 1 introduction 1 overview............................................................................................................. 1 product features ...........................................................................

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    Quantum a-series tape drives user’s guide iv chapter 3 using your tape drive 12 front panel leds and tape eject .................................................................. 13 sdlt 600a ................................................................................................. 13 lto-3a....

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    Quantum a-series tape drives user’s guide v air flow requirements............................................................................ 41 temperature and humidity.................................................................... 41 storage and shipment .........................................

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    Quantum a-series tape drives user’s guide vi appendix c regulatory compliance 71 sdlt 600a ........................................................................................................ 72 safety certifications...................................................................................

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    Quantum a-series tape drives user’s guide vii figures figure 1 sdlt 600a tabletop drive......................................................... 2 figure 2 certificate of security .................................................................. 7 figure 3 sdlt 600a front panel display ...............

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    Quantum a-series tape drives user’s guide viii figure 18 problems to look for inside the data cartridge door.......... 59 figure 19 write-protect switch on super dlttape ii data cartridge . 60 figure 20 ultrium tape cartridge write-protect switch ....................... 63 figure 21 loading a super ...

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    Quantum a-series tape drives user’s guide ix tables table 1 storage capacity and transfer rates ........................................ 3 table 2 sdlt 600a led codes ............................................................. 14 table 3 lto-3a led codes ..............................................

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    Quantum a-series tape drives user’s guide x table 18 super dlttape ii media storage limits ................................. 45 table 19 lto-3a physical specifications ............................................... 46 table 20 drive performance specifications...........................................

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    Quantum a-series tape drives user’s guide xi preface this document serves as an easy-to-use information source to familiarize quantum customers and systems professionals with the a-series tape drives. Audience the primary audience for this document consists of end users installing and using the tape...

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    Quantum a-series tape drives user’s guide xii document organization this document is organized as follows: • chapter 1, introduction , provides an overview of the tape drive and product features. • chapter 2, getting started , includes information on the java plug-in, resetting system defaults, and ...

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    Quantum a-series tape drives user’s guide xiii this document uses the following: • right side of the tape drive — refers to the right side as you face the component being described. • left side of the tape drive — refers to the left side as you face the component being described. • power cycle — mea...

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    Quantum a-series tape drives user’s guide xiv quantum home page 0 visit the quantum home page at: www.Quantum.Com getting more information or help storagecare™, quantum’s comprehensive service approach, leverages advanced data access and diagnostics technologies with cross- environment, multi-vendor...

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    Quantum a-series tape drives user’s guide xv software license the a-series tape drives use edtftpj 1.4.5 java api which is under the gnu lesser general public license (lgpl) and hence can be freely used in commercial or non-commercial products. It should be noted, however, that under the lgpl, edtft...

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    Quantum a-series tape drives user’s guide xvi.

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    Quantum a-series tape drives user’s guide 1 chapter 1 1 introduction the quantum a-series tape drives: • sdlt 600a • lto-3a this chapter describes the features of the tape drives and covers the following topics: • overview describes a basic overview of the a-series tape drives. • product features li...

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    Chapter 1 introduction overview quantum a-series tape drives user’s guide 2 the a-series tape drives are available in two configurations, tabletop (as shown in figure 1 ) and rackmount. Figure 1 sdlt 600a tabletop drive.

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    Chapter 1 introduction product features quantum a-series tape drives user’s guide 3 product features the a-series tape drives offer the following product features: table 1 storage capacity and transfer rates • the sdlt 600a tape drive allows for over 6 hours of hd (high definition) and over 25 hours...

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    Chapter 1 introduction product features quantum a-series tape drives user’s guide 4 • for more information on the sdlt tape products and other product information, go to www.Dlttape.Com . This web page provides information that is constantly updated as needed. Refer to this web site often to obtain ...

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    Quantum a-series tape drives user’s guide 5 chapter 2 2 getting started this chapter provides pointers to information you need to install and configure your a-series tape drive and also to access and use the a-series ftp file server. This chapter covers the following topics: • java™ plug-in provides...

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    Chapter 2 getting started java™ plug-in quantum a-series tape drives user’s guide 6 java™ plug-in the a-series tape drive utilizes a web-based interface allowing you to manage the tape drive from a remote workstation on the same network. The tape drive is configured and managed through web pages acc...

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    Chapter 2 getting started resetting system defaults quantum a-series tape drives user’s guide 7 figure 2 certificate of security resetting system defaults as there is no access to the a-series tape drive other than the ethernet port, a mechanism has been implemented to reset the settings to their de...

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    Chapter 2 getting started resetting system defaults quantum a-series tape drives user’s guide 8 sdlt 600a drive reset 2 to reset an sdlt 600a tape drive back to default values: 1 disconnect the network cable from the drive. 2 switch off your tape drive. 3 insert a write protected cartridge into the ...

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    Chapter 2 getting started warranty note quantum a-series tape drives user’s guide 9 warranty note see the warranty before installing your tape drive. Certain actions taken during installation could void the warranty if not properly conducted. Generally, the limited product and limited repair warrant...

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    Chapter 2 getting started safety, handling, and esd protection quantum a-series tape drives user’s guide 10 3 the pivoting optical servo (pos) uses a class i laser product. This laser product complies with 29 cfr 1200 and 29 cfr 1910 as applicable on the date of manufacture. Handling 2 damage to the...

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    Chapter 2 getting started safety, handling, and esd protection quantum a-series tape drives user’s guide 11 • do not expose the tape drive to moisture. • do not place foreign objects inside the tape drive’s receiver area. Electrostatic discharge protection 2 several electrical components of the a-se...

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    Quantum a-series tape drives user’s guide 12 chapter 3 3 using your tape drive this chapter provides information about the leds and buttons on the front panels of the a-series tape drives, a-series data cartridges, formatting tape media cartridges, updating the firmware, cleaning the a-series tape m...

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    Chapter 3 using your tape drive front panel leds and tape eject quantum a-series tape drives user’s guide 13 front panel leds and tape eject all leds are on the front panel of the a-series tape drives along with the manual tape cartridge eject button. Use these leds to monitor the activity of your a...

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    Chapter 3 using your tape drive front panel leds and tape eject quantum a-series tape drives user’s guide 14 table 2 sdlt 600a led codes led/button/ port title color/ symbol action explanation all leds all leds illuminate briefly and then illuminate in sequence until the reset completes sdlt 600a ta...

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    Chapter 3 using your tape drive front panel leds and tape eject quantum a-series tape drives user’s guide 15 cleaning required led yellow on cleaning is required. See cleaning the tape mechanism for cleaning information. Off cleaning is not required. Eject button press use the eject button to eject ...

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    Chapter 3 using your tape drive front panel leds and tape eject quantum a-series tape drives user’s guide 16 lto-3a 3 as shown in figure 4 , the lto-3a tape drive front panel display has four led indicators that reflect the operating condition of the drive: the green power led is on whenever power i...

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    Chapter 3 using your tape drive front panel leds and tape eject quantum a-series tape drives user’s guide 17 table 3 lto-3a led codes drive condition activity led (green) error led (orange) status led (amber) cleaning request on cleaning cartridge present on on cleaning cartridge at eot on fast clea...

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    Chapter 3 using your tape drive a-series data cartridges quantum a-series tape drives user’s guide 18 a-series data cartridges by following general handling procedures, conducting careful visual inspections of data cartridges on a regular, ongoing basis, and being certain to store data cartridges wi...

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    Chapter 3 using your tape drive a-series data cartridges quantum a-series tape drives user’s guide 19 figure 6 write-protect switch on super dlttape ii data cartridge • slide the write-protect switch to the left to enable write protection (you can read existing data; however, you cannot write over e...

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    Chapter 3 using your tape drive a-series data cartridges quantum a-series tape drives user’s guide 20 write protecting an ultrium data cartridge 3 ultrium tape cartridges have a sliding write-protect switch at the right- rear corner as shown in figure 7 . Figure 7 write-protect switch on ultrium dat...

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    Chapter 3 using your tape drive a-series data cartridges quantum a-series tape drives user’s guide 21 figure 8 loading a super dlttape ii data cartridge unloading a data cartridge 3 follow these steps to unload a data cartridge: 1 press the eject button (or issue an appropriate system software comma...

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    Chapter 3 using your tape drive a-series data cartridges quantum a-series tape drives user’s guide 22 data cartridge care and maintenance 3 observe the following precautions to protect your data: always: • remove the cartridge from the drive when not in use and store it in its protective case. • avo...

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    Chapter 3 using your tape drive power on self-test (post) troubleshooting quantum a-series tape drives user’s guide 23 power on self-test (post) troubleshooting this section provides troubleshooting information that might be helpful should the system fail its power on self-test (post). See the data ...

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    Chapter 3 using your tape drive power on self-test (post) troubleshooting quantum a-series tape drives user’s guide 24 figure 9 sdlt 600a tape drive front panel leds 4 when post is complete, the middle led stops flashing and remains illuminated; the left led turns off, and right led remains off. Pos...

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    Chapter 3 using your tape drive power on self-test (post) troubleshooting quantum a-series tape drives user’s guide 25 post troubleshooting tips 3 table 5 provides troubleshooting tips that you will find useful in the event that your tape drive fails its post. If, after attempting the recommended ac...

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    Chapter 3 using your tape drive power on self-test (post) troubleshooting quantum a-series tape drives user’s guide 26 over temperature condition 3 the tape drive has a thermal sensor located in the tape path. This sensor, which is used to accurately monitor the air temperature in the tape path, iss...

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    Quantum a-series tape drives user’s guide 27 appendix a a specifications this appendix describes the technology behind the drives as well as the various specifications that apply to the a-series tape drives. • a-series sdlt 600a tape drive • a-series lto-3a tape drive this chapter describes the tech...

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    A-series sdlt 600a tape drive quantum a-series tape drives user’s guide 28 a-series sdlt 600a tape drive the sdlt 600a tape drive incorporates various new state-of-the-art technologies that contribute to the sdlt architecture. Some of these ideas are trademarked, others are patented. The following s...

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    Modular design quantum a-series tape drives user’s guide 29 advanced partial response maximum likelihood 1 improving on partial response maximum likelihood (prml) technology traditionally used in disk drives and communication systems, advanced prml channel technology, co-developed with lucent techno...

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    Modular design quantum a-series tape drives user’s guide 30 as shown in figure 10 , the sdlt 600a tape drive consists of five distinct modules: • data control module (dcm) • tape control module (tcm) • front panel module (fpm) • electronic interface module (eim) • super dlttape ii data cartridge (da...

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    Modular design quantum a-series tape drives user’s guide 31 data control module 1 the data control module (dcm) contains several of the functions and features of lgmr technology, which is at the heart of the sdlt technology. Of the five technologies that constitute the lgmr technology, two are in th...

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    Modular design quantum a-series tape drives user’s guide 32 as a stand-alone module, simplifying the design, manufacturing, and troubleshooting processes. Base plate 1 the sdlt 600a tape drive base plate is an aluminum die casting with precisely machined surfaces. The casting acts as the support pla...

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    Modular design quantum a-series tape drives user’s guide 33 • delivering the overall cosmetic look of the system. The fpm is a single module with lenses for the system’s leds and a button to activate the drive eject switch. The sdlt 600a tape drive front panel contains no electronics. Electronic int...

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    Product specifications quantum a-series tape drives user’s guide 34 product specifications the following subsections contain product specifications for the sdlt 600a tape drive. Positive engagement tape leader buckling mechanism 1 this buckling mechanism engages the tape leaders upon data cartridge ...

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    Functional specifications quantum a-series tape drives user’s guide 35 shock and vibration specifications 1 the following tables provide non-operating and operating shock and vibration specifications for the sdlt 600 tape drive. Table 7 non-operating shock specifications (unpackaged) rewind tape spe...

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    Functional specifications quantum a-series tape drives user’s guide 36 table 8 non-operating shock specifications (packaged, drop) table 9 non-operating vibration specifications (unpackaged) application x,y,z axes, twice in each axis (once in each direction) shock (packaged, drop) height of drop num...

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    Functional specifications quantum a-series tape drives user’s guide 37 table 10 non-operating vibration specifications (packaged) table 11 operating shock and vibration specifications vibration (packaged) type random frequency range truck profile* (0.5 grms) air profile* (1.0 grms) application x,y,z...

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    Functional specifications quantum a-series tape drives user’s guide 38 current and power requirements 1 the tape drive draws the highest current (and power) during the native write modes. Standby is measured with the tape loaded and tensioned or untensioned, and idle is measured with power on with n...

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    Functional specifications quantum a-series tape drives user’s guide 39 max for sdlt 600a tape drive modes 9 n/a 3.8 n/a n/a 2.1 n/a n/a 3.8 n/a n/a 1. The max-peak value represents short current spikes drawn for durations of peaks correspond to the pulse-width-modulated switching of the motors. Thes...

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    Functional specifications quantum a-series tape drives user’s guide 40 table 13 power requirements — scsi interface mode dc power maxpk 1 typ 2 ac power (w) max 3 typ 4 standby/idle 21 21 51 46 media loading/unloading 43 37 83 73 600a write – motor start 5 32 29 78 71 600a write – streaming 32 31 73...

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    Environmental specifications quantum a-series tape drives user’s guide 41 sdlt 600a tape drive recording method 1 the sdlt 600a tape drive uses the partial response maximum likelihood (prml) 32/33 encoding method for reading/writing sdlt 600a tape drive format. It uses the same algorithm for reading...

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    Environmental specifications quantum a-series tape drives user’s guide 42 table 14 temperature and humidity specification storage and shipment 1 the ambient storage and shipment environment for the tape drive may not exceed the limits shown in table 15 . Table 15 tape drive storage and shipment spec...

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    Recording media specifications quantum a-series tape drives user’s guide 43 altitude 1 both the internal and tabletop tape drives operate in normal pressures from –500 to 10,000 feet when operated within the ambient operating environments specified in temperature and humidity on page 41. The sdlt 60...

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    Recording media specifications quantum a-series tape drives user’s guide 44 figure 11 multiple layers comprise super dlttape ii media physical data cartridge 1 a durable plastic case encloses the super dlttape ii media, as shown in figure 12 . Figure 12 super dlttape ii data cartridge layers not dra...

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    Recording media specifications quantum a-series tape drives user’s guide 45 media shipping, operating, and storage specifications 1 the optimum media shipping conditions are described in table 13 . Figure 13 super dlttape ii media shipping limits table 17 super dlttape ii media operating limits tabl...

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    A-series lto-3a tape drive quantum a-series tape drives user’s guide 46 a-series lto-3a tape drive table 19 lists the physical specifications of the a-series lto-3a tabletop tape drive. Table 19 lto-3a physical specifications power specifications the tabletop lto-3a tape drive has a built-in automat...

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    Drive performance specifications quantum a-series tape drives user’s guide 47 drive performance specifications table 20 lists the performance specifications of the lto-3 half-height tape drive. Table 20 drive performance specifications specification value average data access time (650-m tape) from b...

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    Drive performance specifications quantum a-series tape drives user’s guide 48 maximum rewind time (650-m tape) recording density 5,120 rll-encoded ones per mm recording format ultrium 16-channel (u-316) recording method 0, 13/11 rll recording undetectable errors less than 1 in 10 27 data bits record...

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    Environmental requirements quantum a-series tape drives user’s guide 49 environmental requirements table 21 lists the environmental specifications of the lto-3 half-height tape drive. Table 21 environmental requirements specification operational non-operational acoustic level idling (a-wt sum) 52 db...

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    Reliability specifications quantum a-series tape drives user’s guide 50 reliability specifications the lto-3 half-height tape drive is designed for maximum reliability and data integrity. Table 22 lists the reliability specifications. Table 22 reliability specifications mean time between failures 1 ...

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    Lto cartridge specifications quantum a-series tape drives user’s guide 51 the mtbf for the tabletop drive power supply is 50,000 hours with the unit operated at full load and 25°c. Mean time to replace 1 the mean time to replace (mttr) is the average time required by a qualified service technician t...

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    Lto cartridge specifications quantum a-series tape drives user’s guide 52 if during storage and/or transportation a cartridge has been exposed to conditions outside the specified values, it must be conditioned before use in the operating environment. The conditioning shall be exposure to the operati...

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    Quantum a-series tape drives user’s guide 53 appendix b b data cartridges this appendix provides data cartridge information for the following a-series tape drives: • using data cartridges for the sdlt 600a • using data cartridges for the lto-3a using data cartridges for the sdlt 600a the super dltta...

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    Data cartridge handling guidelines quantum a-series tape drives user’s guide 54 figure 14 super dlttape ii data cartridge data cartridge handling guidelines by following general handling procedures, conducting careful visual inspections of data cartridges on a regular, ongoing basis, and being certa...

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    Data cartridge handling guidelines quantum a-series tape drives user’s guide 55 • do not carry data cartridges loosely in a box or any other container. Allowing data cartridges to jostle together exposes them to unnecessary physical shock. • always observe the proper environmental conditions for sto...

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    Data cartridge inspection procedure quantum a-series tape drives user’s guide 56 • be certain you place the unused data cartridge labels in the protective box so that you do not inadvertently pick them up along with the data cartridge during subsequent usage. A static electricity charge on a data ca...

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    Data cartridge inspection procedure quantum a-series tape drives user’s guide 57 2 check for loose debris attached to the shell, and for other contamination (oily, slimy, or sticky substances) that may have built up on the surface of the shell. 3 check the data cartridge for any obvious cracks or ot...

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    Data cartridge inspection procedure quantum a-series tape drives user’s guide 58 figure 16 super dlttape ii data cartridge reel locks 6 once again, look at the end of the data cartridge, holding it as shown in figure 17 . Figure 17 opening the super dlttape ii data cartridge door reel lock reel lock...

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    Data cartridge inspection procedure quantum a-series tape drives user’s guide 59 7 open the data cartridge door by pressing on the tab in the door pivot notch as shown in figure 17 . Use care that you do not touch the tape leader. 8 compare what you see inside the data cartridge door to figure 18 . ...

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    Data cartridge write-protect switch quantum a-series tape drives user’s guide 60 data cartridge write-protect switch each data cartridge has a write-protect switch that you can use to prevent accidental erasure of data. Before inserting the data cartridge into the tape drive, position the write-prot...

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    Data cartridge write-protect switch quantum a-series tape drives user’s guide 61 • slide the write-protect switch to the right to disable write protection (you can write over existing data on the media, and you can append additional data to the media unless the data cartridge is write- protected via...

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    Using data cartridges for the lto-3a quantum a-series tape drives user’s guide 62 using data cartridges for the lto-3a loading a tape cartridge 2 to load an ultrium tape cartridge into the a-series lto-3a tape drive, gently insert the cartridge into the slot: • push the cartridge further into the dr...

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    Using data cartridges for the lto-3a quantum a-series tape drives user’s guide 63 write protecting a tape cartridge 2 ultrium tape cartridges have a sliding write-protect switch at the right- rear corner as shown in figure 20 . Figure 20 ultrium tape cartridge write-protect switch sliding the write-...

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    Using data cartridges for the lto-3a quantum a-series tape drives user’s guide 64 tape cartridge care and maintenance 2 observe the following precautions to protect the data on your ultrium tape cartridges: always: • remove the cartridge from the drive when not in use and store it in its protective ...

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    Cleaning the tape mechanism quantum a-series tape drives user’s guide 65 cleaning the tape mechanism this section discusses the tape drive cleaning tape, maintenance considerations, and important compatibility issues. Occasional cleaning of tape head 2 a-series tape drives occasionally require preve...

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    Cleaning the tape mechanism quantum a-series tape drives user’s guide 66 compatibility of the cleaning tape 2 the sdlt cleaningtape is intended for use in sdlt 600a tape drives alternatively stated, the sdlt cleaningtape only cleans the sdlt mrc heads. Loading the cleaning tape into a tabletop tape ...

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    Cleaning the tape mechanism quantum a-series tape drives user’s guide 67 2 observe that both the status and activity leds are on steady during the cleaning process. 3 after the cleaning process completes, depending on the drive configuration, either: a the drive automatically ejects the lto cleaning...

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    Performing an emergency reset and cartridge eject quantum a-series tape drives user’s guide 68 performing an emergency reset and cartridge eject if the a-series lto-3a tape drive stops communicating with the host computer, use the following procedure to reset the drive and eject a cartridge (if nece...

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    Loading a data cartridge quantum a-series tape drives user’s guide 69 loading a data cartridge complete this subsection to load a data cartridge into the front of the tape drive; see figure 21 as needed. 1 insert the data cartridge into the front of the tape drive, as shown in figure 21 . 2 push the...

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    Unloading a data cartridge quantum a-series tape drives user’s guide 70 unloading a data cartridge follow these steps to unload a data cartridge; see figure 21 as needed. 1 press the eject button (or issue an appropriate system software command); the tape drive completes any active writing of data t...

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    Quantum a-series tape drives user’s guide 71 appendix c c regulatory compliance this chapter describes various regulations that apply to the a-series tape drives: • sdlt 600a • lto-3a.

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    Sdlt 600a quantum a-series tape drives user’s guide 72 sdlt 600a this section lists the safety regulations that the a-series sdlt 600a tape drive meets or exceeds. Safety certifications 3 the sdlt 600a tape drive meets or exceeds the following safely requirements: • ul 60950: information technology ...

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    Sdlt 600a quantum a-series tape drives user’s guide 73 electromagnetic interference susceptibility 3 table 26 provides regulations and certifications held by the sdlt 600a tape drive for electromagnetic interference (emi). Table 26 emi regulations and certifications immunity and esd limits 3 table 2...

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    Sdlt 600a quantum a-series tape drives user’s guide 74 acoustic noise emissions 3 acoustic noise emission levels are listed in table 28 , both as noise power and sound pressure, for the sdlt 600a tape drive. The table provides the preliminary declared values per iso 9296 and iso 7779/en27779. Table ...

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    Lto-3a quantum a-series tape drives user’s guide 75 lto-3a the a-series lto-3 tape drive complies with the safety standards listed in table 29 and the emc regulations listed table 30 . Table 29 safety compliance * member nations of the iecee include austria, australia, belgium, canada, china (pr), c...

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    Lto-3a quantum a-series tape drives user’s guide 76 table 30 electromagnetic compatibility (emc) compliance country regulatory organization compliant to: australia standards australia spectrum management “c-tick” as/nzs 3548 (same as cispr 22), class b canada industry canada digital apparaus - inter...

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    Environmental compliance quantum a-series tape drives user’s guide 77 also consider the following safety points: • install the drive in an enclosure that limits the user’s access to live parts, gives adequate system stability and provides the necessary grounding for the drive. • provide the correct ...

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    Disposal of electrical and electronic equipment quantum a-series tape drives user’s guide 78 disposal of electrical and electronic equipment this symbol on the product or on its packaging indicates that this product should not be disposed of with your other waste. Instead, it should be handed over t...

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    Quantum a-series tape drives user’s guide 79 glossary the following is an alphabetical list of specialized words and technical terms with their definitions, commonly used in the tape drive and tape media industry. A access (v.) to read, write, or update information on a storage medium, such as magne...

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    Glossary quantum a-series tape drives user’s guide 80 applet java applets are small java programs that get downloaded to the client computer and then run from a web browser when a web page that uses java is loaded. Archiving the removal or copying of data from the computer system onto secondary stor...

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    Glossary quantum a-series tape drives user’s guide 81 c c the degree celsius (°c) is a unit of temperature. Cache specialized ram used as a buffer between a fast cpu or i/o channel and storage which has a relatively slow access time (for example, cartridge or diskette), to avoid slowing down the for...

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    Glossary quantum a-series tape drives user’s guide 82 dcm the data control module provides the path and guides for all media motion inside the tape drive and to write data to and read data from the media. Device driver a low-level (usually kernel-mode) operating system component that enables a pc to...

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    Glossary quantum a-series tape drives user’s guide 83 encoding (n.) characters (or bytes) of information converted to magnetic patterns on the media. (v.) the process of converting to the desired pattern. Eod end of data. Location on media where the last session stopped. Eom or eot end of media or e...

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    Glossary quantum a-series tape drives user’s guide 84 g gb gigabyte si — 1,000,000,000 bytes or 10 9 . This is the international system of units (si) definition commonly used by telecommunications and storage manufacturers. Gib — 1,073,741,824 bytes, equal to 1024 3 , or 2 30 . This is the definitio...

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    Glossary quantum a-series tape drives user’s guide 85 iso the international organization for standardization is an international non-governmental standard-setting body made up of representatives from national standards bodies. Isv independent software vendor. K kb a kilobyte is a unit of measure equ...

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    Glossary quantum a-series tape drives user’s guide 86 first to describe the structure of the file and its play out structural metadata but also to let the user specify its own metadata annotating the content of the file descriptive metadata . This format is also designed to ensure the interchange of...

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    Glossary quantum a-series tape drives user’s guide 87 prml partial response maximum likelihood is a method for converting the weak analog signal from the head of a magnetic disk drive into a digital signal. Also see advanced prml. Pwa printed wiring assembly - commonly known as pcb(a) for printed ci...

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    Glossary quantum a-series tape drives user’s guide 88 tape tape cartridge. Tapealert™ a firmware feature that monitors and returns the results of the tape drive’s on-going self-diagnosis activity. Tape path the path through which media moves from the cartridge, past the read/write head, and onto the...

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    Glossary quantum a-series tape drives user’s guide 89 virtual file a kind of edit list used only for the partial restore of .Mxf files. Storing a file means creating a copy of a file from your local disk and transferring it to tape. Retrieving a file is the reverse operation. A transfer can be a sto...