HP SW TL881 DLT Mini-Lib/1 Compaq TL881 MiniLibrary System Users Guide (May 19 - Page 59
C and 75% humidity, when those, tapes are used in a TZ87 drive kept at a higher temperature and lower
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Operation 2-33 s Shake the cartridge while listening for the sound of a broken part. Any rattling sound makes a cartridge unfit for use. s Inspect the case for distortion or cracks. s Inspect the leader by opening the cartridge door as shown in Figure 2- 46. The leader should be positioned as shown in view (1), and should protrude at about a five-degree angle from the case. If the leader is out of position, do not use the cartridge; damage to the drive could result. Under certain conditions, DLT Tape may stick to the drive read/write head during operation. Damage to media, failure of commands or batch jobs to execute, with resulting errors or hangs; failure to unload; apparent need to swap out the drive. When tapes are stored in an environment different from that of the drive, ensure that they are acclimatized, by moving them to a location in close proximity to the drive before attempting to use them. Ideally, tapes should be allowed to acclimate for a time equal to the duration of their storage away from the drive, or 24 hours, whichever is less. Reports have verified that sticking will occur almost immediately with older, used tapes which have been stored at 20°C and 75% humidity, when those tapes are used in a TZ87 drive kept at a higher temperature and lower humidity. High tape humidity causes sticking from HYDROLYSIS, a degradation of the tape which can be reversed by storing the tape for a while in a dry environment Test conditions (cool, damp tapes and warm, dry drives) have produced "stiction" at will, but other conditions may also cause it. Remember to acclimatize tapes before use. Long-term storage specifications are more stringent than those for shorter periods. Cartridges intended for longterm archiving shall be stored in room conditions of 23°C +/-5 (73°F +/-9 at 50% +/-10% relative humidity.