IBM System Storage TS3310, Maintenance Information

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R
rack A unit that houses the components of a storage subsystem, such as the
library.
rackmount kit
A packaged collection of articles used to install the rack mounted version
of the library.
RAM Random access memory.
Random access memory
A storage device into which data is entered and from which data is
retrieved in a nonsequential manner.
RAS
Reliability, availability, and serviceability.
record A collection of related data or words, treated as a unit.
recording density
The number of bits in a single linear track measured per unit of length of
the recording medium.
recoverable error
An error condition that allows continued execution of a program.
ref Reference.
reg Register.
reinventory
To inventory again.
retension
The process or function of tightening the tape onto the cartridge, if it is
sensed that the tape has a loose wrap on the cartridge.
RID tag
Repair identification tag.
robot Picker.
robotics
Picker assembly.
RPQ
Request for price quotation.
R/W Read/write.
S
s Seconds of time.
SAC Service Action Code. Code developed to indicate possible FRU or FRU's to
replace to repair the hardware.
SAN Storage Area Network.
SAS Serial Attached SCSI. A computer bus technology and serial
communication protocol for direct attached storage devices. SAS is a
replacement for parallel SCSI with higher speeds, but still using SCSI
commands.
scratch cartridge
A data cartridge that contains no useful data, but can be written to with
new data.
H-12
TS3310 Tape Library Maintenance Information