Quantum AML/2 Guía de usuario descargar pdf (Pagina 32)

3-6 Specification

600135-E

Vibration

Significant vibration (high amplitude) occurring while drives

are writing will result in drives having to rewrite data,

thereby reducing individual cartridge capacity and overall

throughput. Vibration during reading will slow the data rate,

due to retries, but will have no effect on cartridge capacity.

Low amplitude vibration of short duration will not affect the

robot/library. Cartridges in their storage slots will not have

problems with vibration. The vibration of a mortar drill will

not be a problem. The vibration of a jackhammer may

introduce problems if located beside a drive cabinet.

The robot is far less susceptible to vibration. The amplitude

would have to be very large before the gripper would have

targeting accuracy problems.

Dust

The AML will not have problems with slight dust. The AML

library does not actively circulate air. Simple ambient air

movement (from air conditioning units) will not move dirt

into the library, but can carry dust. ADIC recommends

cleaning the barcode reader at the first sign of errors. Or,

schedule a night cleaning session during or after your

construction.

Both airborne dust and airborne dirt can get into tape drives

if the air in front of a drive has both in sufficient concentration

because the drives draw air from the front of the drive and

push it out the rear of the drive. While inside the drives, dust

and dirt can contaminate the tape path, resulting in

accelerated head and tape wear causing the drives to show

changes in performance.

Dirt

The difference between dust and dirt is determined by the

size and weight of the particle. Except in the case of significant

air movement, dirt will readily settle to the ground. As long

as it settles out before it reaches the library, then there is no

problem. Excessive amounts of gritty dirt will have an

abrasive effect on the moving parts and can also impact the

barcode reader on the robot.

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Quantum AML/2 Guía de usuario Pagina 32