A cartridge that is in the database, but that couldn't be found when all recorded locations for the cartridge were catalogued. If a nonzero retention period is set, the volume status is changed to STATUS_VOLUME_ABSENT.
The software component that receives messages from other ACSLS components and writes them to an Event Log.
A library is composed of one or more ACSs, attached tape drives, and cartridges residing in the ACSs.
The software component that validates and routes library requests and responses.
ACSLS database containing information about the location and status of the data or cleaning cartridges. The information includes cell location, scratch status, and so on).
Manages contents of multiple libraries and controls library hardware to mount and dismount cartridges on ACS tape drives.
A database used by ACSLS to track the library configuration and the locations and IDs of all data or cleaning cartridges in the library.
ACS System Administrator (ACSSA)
The interface between the Command Processor and the rest of the system.
Automated Cartridge System (ACS)
The library subsystem consisting of one or more libraries connected through pass-thru-ports.
A unique identifier for the location of a CAP. A CAP ID consists of the ACS ID, the LSM number, and the CAP number.
A plastic housing containing a length of data recording tape. The tape is threaded automatically when loaded in a transport. A plastic leader block is attached to the tape for automatic threading. The spine of the cartridge can contain an OCR/Bar Code label listing the volume ID.
A bidirectional port built into the door panel of an LSM, which provides for the manual entry or automatic ejection of data or cleaning cartridges.
A device containing two or four cartridge drives and their associated power and pneumatic supplies.
Operating system software which issues commands (e.g., read, write, and rewind) to cartridge subsystems.
An electromechanical device that moves tape from a cartridge over a head that writes and reads data from the tape. A transport is distinct from the power and pneumatic sources that supply the electricity and air it needs to function. See cartridge drive.
Software applications that manage tape cartridge contents. They access tape cartridges by interacting with ACSLS. Any number of client applications can be resident on a client system.
This software manages tape cartridge contents, generates requests for cartridges, and drives data to and from cartridges. The client software is not part of ACSLS.
Software which provides an interface between the client computing system's operating system and ACSLS.
The software component that translates and routes messages between the ACS Library Manager and the Client System Component.
The bottom area of the cmd_proc interface where you enter requests and receive responses.
The screen interface of the ACSSA. cmd_proc lets you enter the commands described in Chapter 7.
Partitioning across multiple SL8500 libraries connected via pass-thru ports in a library complex. This also includes support for up to 16 partitions.
A hardware device which converts a Client Computing System's control protocol to the control protocol of the StorageTek Library Control System.
A microprocessor-based unit logically situated between a channel and up to fifteen cartridge transports. The CU translates channel commands into transport commands and sends transport status to the channel.
Used to define various options to fine-tune communications between a CSC and the CSI. You change these variables in the acsss_config program.
A hardware device which translates a Client Computing System's data protocol to the data protocol of the StorageTek Control Unit.
The top area of the cmd_proc interface that collects messages regarding the status of the library.
provides two separate host connections between the host software (ACSLS or HSC) and a library
enables you to implement configuration changes to ACSLS libraries (and components) while ACSLS remains online and running.
A cartridge that has been ejected from the library. If a nonzero retention period is set, the cartridge status is changed to STATUS_VOLUME_EJECTED.
erasable programmable read-only memory (EPROM)
A special memory chip that can be erased and reprogrammed.
A file, maintained by the ACSEL, that contains messages describing library and ACSLS events.
A six-character alphanumeric label on the outside edge of a cartridge used to identify a physical tape cartridge. It may consist of uppercase letters A through Z, numerals 0 through 9, $, #, and blanks.
With Fast Load enabled, an FC initiator that issues a mount operation receives a successful response once the operation has been validated and accepted by ACSLS, but before cartridge movement begins.
A complete software installation required for new customer sites or for existing sites where a new library has been installed.
Libraries that are connected to the ACSLS through the HLI. These libraries can be connected through a serial interface (serial-attached) or through a TCP/IP interface (TCP/IP-attached).
Software running on an IBM mainframe that controls multiple libraries as a library server.
A process that activates a machine reset, initiates wake up diagnostics (from EPROMs) and loads functional code.
Routines that test components of a subsystem while operating on a time-sharing basis with the functional microcode in the subsystem component.
Cartridges between their source and destination locations. Cartridges are considered in-transit if they are in pass-thru ports, robot hands, or playground.
A 40-cartridge CAP with the storage cells arranged in four removable magazines of ten cells each. The magazines appear as a single column of 40 cells to the host software.
A library is composed of one or more ACSs, attached tape drives, volumes in the ACSs, and the ACSLS software that controls and manages the ACSs.
A software component, resident on a Windows NT client system, that translates and routes messages between client applications and the CSI..
Customer can specify the number of ACSs in the library and the connections between each ACS and the server system.
Software which controls the mounting and dismounting of cartridges in the ACS.
Properly configured computer hardware that, with the addition of appropriate software, supports the operation of the Library Control Software.
The software components of ACSLS including the library control component, the Client System Interface and Library Utilities.
The portion of the LSM that controls the picking, mounting, dismounting, and replacing of data and cleaning cartridges.
A cartridge transport attached to an LSM that is connected to, and controlled by, a client system. Library drives interact with the LCU during automated tape cartridge mount and dismount operations. Library drives interact with a client application during tape data transfer operations. Library drives are individually addressable by the ACSLM and are individually accessible by client applications. See Cartridge Transport.
Errors that occur because the library is offline, has suffered hardware failure, is unavailable, and so forth.
The portion of an ACS that manages LSMs, allocates their resources, and communicates with ACSLS.
An ACS structure that provides the storage area for cartridges, cartridge drives, CAPs, and the robot necessary for moving them.
A light emitting device that uses little energy and is used mainly to indicate on/off conditions.
A computer network in which any component in the network can access any other component. This is the type of interface between an LMU and attached LSM's.
Feature that verifies T10000 cartridges using a designated pool of T10000C and T10000D drives. The validation provides a "success" or "failure" result for each tape cartridge tested
A cartridge that is in the database, but couldn't be found. If a recorded possible location for the cartridge could not be examined due to an offline LSM or a drive not communicating, the cartridge is marked MISSING instead of ABSENT. The cartridge status is changed to STATUS_VOLUME_MISSING.
Using TCP/IP connections to multiple libraries to provide redundant communication paths between the host software (ACSLS or HSC) and an SL8500 library complex.
Equipment that provides an electrical and logical interface between a network and specific attached equipment.
An interface between the server system and the client systems that maintains network connections and controls the exchange of messages. The NI is resident on the server system and each client system.
Open Systems Interconnection (OSI)
A software architecture model of the International Organization for Standardization. The OSI model provides standards for the interconnection of data processing systems.
Partition of a library cell's, cartridges, drives, and CAPs assigned to a physical partition that is managed by ACSLS as a separate ACS.
Mechanism that enables a cartridge to be passed from one LSM to another in a multiple LSM ACS.
A reserved area of special cells (within an LSM) used for storing diagnostic cartridges and cartridges found in-transit upon power-on and before initialization of the LSM is completed.
A collection of tape cartridges having one or more similar features or attributes, such as a pool of scratch tapes.
A database that is organized and accessed according to relationships between the data items; relationships are represented by tables.
The optional SL8500 Redundant Electronics (RE) feature provides failover protection in enterprise libraries. RE uses a two sets of library controller cards. At any given time, one set is active and the other set is standby. The active library controller can failover to the standby in response to a command from ACSLS or the SL Console. Automatic failover can be initiated by the library if a library card fails.
The part of the library that is the residence for ACSLS, now referred to as the Library Control System. The Library Control System acts as an interface between a library and client systems.
A person who invokes ACSLS commands, utilities, or procedures on the server system. Server system users are generally site and maintenance personnel (for example, library operators, tape librarians, system administrators, CSEs, and systems personnel).
A 21-cartridge CAP with the storage cells arranged in three rows of seven fixed cells.
Storage Server Interface (SSI)
A software component, resident on a client system, that translates and routes messages between client applications and the CSI.
the operator panel software application used for the StreamLine libraries.
An operating system originally developed by Bell Laboratories (now UNIX Systems Laboratories, Inc.) and used by a variety of computer systems.
Messages that indicate an error or notify you when a particular routine action can be taken.
selectable features and options variables-Used to define various user-selectable features and options.
A logical volume ID (volser) that can be assigned to a cartridge when its physical label is missing or unreadable.
A six-character string that uniquely identifies a data or cleaning cartridge to the database.