User manual QUANTUM STDLX2401LW

[. . . ] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scorpion 240 DDS-4 Autoloader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . STDL42401LW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . STDL62401LW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Product Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . h . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Scorpion 240 DDS-4 Autoloader . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . STDL42401LW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Loading a magazine into the autoloader Ejecting a cartridge or magazine To eject the magazine from the autoloader, press the Eject button. If a cartridge is in the drive, the LCD display shows the message "EJECT?Press the Enter button, and wait for the following events to complete: 1. The tape rewinds to the beginning-of-partition (BOP) mark. If the tape cartridge is not write-protected (read-only), the operating system writes the updated copy of the tape log back to the tape. The tape rewinds to the beginning-of-media (BOM) and is unthreaded. The changer places the cartridge back into the magazine. The magazine is ejected. If there is no cartridge in the tape drive, the magazine is ejected without delay. Drive Operation and Maintenance 25 Forcing an eject If you press the Eject button when the tape drive is busy, the tape drive first completes the current task before responding to the eject request. However, in extreme cases, you may need to force an eject to unload a cartridge, even at the risk of losing the data on the cartridge. A forced eject should only be tried when there is no other way to recover a cartridge. If you force an eject, the cartridge may become unreadable and may require erasing or re-initializing by the application software. You can also force an eject when you need to eject the magazine and there is no cartridge loaded in the drive. If you force an eject when a cartridge is not loaded, the autoloader waits 35 seconds, ejects the magazine, and then resets as though it had been turned off and then turned on. To force an eject, hold down the Eject button for at least five seconds, then release the button. When you force an eject, the following occurs: If there is a tape in the drive, the Status Panel displays the message "UNLOAD TAPE X" (where X is the number of the magazine slot which held the tape currently in the drive). After the tape has been returned to the magazine, the display changes to "EJECTING MAGAZINE" and the magazine is ejected. Because forcing an eject can interrupt an operation, the tape drive might not write the end of data (EOD) mark on the tape before the cartridge is ejected. If the EOD mark is not written on the tape, the tape might be formatted incorrectly and the data on the tape might be lost. However, the data can usually be read up to the point where the error occurred, if a tape is correctly formatted. If forcing an eject does not successfully remove a cartridge or the magazine, contact Seagate technical support. Automatic and manual cartridge loading After cartridges have been loaded into the magazine and the magazine has been inserted into the magazine bay, the autoloader can be left indefinitely for unattended write or read operations. To load a tape manually, press the SELECT button to select the desired tape slot, then press the ENTER button. 26 Scorpion 240 Product Manual About the front-panel buttons This section describes the functions of the autoloader buttons. These buttons are shown in Figure 14. EJECT Button SELECT Button ENTER Button Clean LED (green) Drive LED (amber) LCD Display Media LED (green) Figure 14. Autoloader Front Panel Eject button You can use the Eject button to eject the magazine or to unload a cartridge from the drive. After pressing the Eject button, you must press the Enter button to confirm your request. Select button You can use the Select button to select individual tape cartridges by their slot numbers (1-6), to scroll through items from menus on the LCD display, and to access loader menus if no magazine is installed. Enter button You can use the Enter button to select specific items from menus on the LCD display, to load a cartridge into the drive (after you have selected the cartridge using the Select button), or to confirm that you want to eject the magazine when there is a tape in the drive. About the front-panel LEDs As shown in Figure 14, the front panel of the Scorpion 240 Autoloader includes three LEDs that provide information during normal and error conditions. [. . . ] These symbols or codewords point back to the Theory of operations 41 original data string, using fewer characters to represent the strings. Because these smaller symbols are substituted for the longer strings of data, more data can be stored in the same physical space. Some important benefits result from data compression in DAT drives: · · · The same amount of information can be stored on a smaller length of tape. More data can be stored on a given length of tape. [. . . ]