Registers – Systems controlled by data bearing records – Mechanized store
Reexamination Certificate
2001-09-20
2004-11-02
St.Cyr, Daniel (Department: 2876)
Registers
Systems controlled by data bearing records
Mechanized store
C235S385000
Reexamination Certificate
active
06811080
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to labelling of recording medium cartridges of the type which include a memory device for storing information concerning the cartridge and data recorded on the recorded medium, and particularly although not exclusively it relates to the manner of reading this information and using it to produce a printed label containing all of, or a selected subset of this information.
BACKGROUND TO THE INVENTION
In order to store digital electronic data, such as back-up data from a server computer device, it is known to use magnetic tape data storage cartridges comprising one or a pair of rotatable reels, and an elongate band of magnetic tape. A main reason for using such tape data storage cartridges is to make back up copies of important data. Customers running large computer installations, or research and development facilities having significant amounts of data generated may have hundreds or thousands of tape data storage cartridges containing back up data, backed up from a wide range of different host devices such as servers and computer devices. Large collections of tape data storage cartridges tend to be stored in centralised library locations, sometimes situated in fire proof safes or fire proof rooms. The library storage facility may be geographically remote from the host server devices, so that if there is destruction of data on the host devices, for example by a fire, the back up data remains safe. When a host device fails and data is lost, it is necessary to quickly locate the tape cartridge having the latest back up data, which may be located in an offsite library.
These libraries include manual access libraries, where the cartridges are simply stored on shelves or in racks or boxes, with access to the cartridges being by manually picking up the cartridges, or automated libraries, where the cartridges are stored in predefined locations on a rack or shelf and are automatically accessed. In a manual access library, to identify a content of a tape cartridge a person may simply write out a label manually, describing the content of the data on the tape cartridge. This process is tedious and prone to error. For example the wrong label might be put on the wrong tape, so that the contents of the label do not coincide with the data of the tape cartridge. Alternatively, tape cartridges have barcodes printed on their external cases, so conventionally finding a particular tape may involve using a barcode scanner to scan a plurality of barcode labels on a plurality of tape cartridges. In the case of an automated library, robotic arms which are software controlled, deposit and collect cartridges in a rack, or shelf, and use a serial number of a tape data storage cartridge to determine a location within the library shelf or rack on which to store the cartridge. The rack or shelf is accessible by the robotic arm which may physically select a required tape on receipt of user instructions, the robotic arm being moved under computer control to a cartridge storage location on the rack or shelf.
Conventionally, a person wishing to find an item of stored data on a cartridge will need firstly to identify the correct cartridge with the data on it, and secondly identify a position of the data on the tape stored within the cartridge. In the case of single reel cartridges, the whole of the magnetic tape is wound on to the single cartridge whenever the cartridge is not in a tape drive mechanism. To find a particular item of data on a cartridge, a person must select the cartridge, put the cartridge into a conventional tape drive device, for example forming part of a host personal computer, workstation or computerised test equipment device, and view a content of the tape on a visual display unit forming part of the host computer, workstation or test equipment device. There is a time lag incurred in winding and rewinding the tape to identify a particular item of data.
A current industry trend in tape data storage media is to supply a solid state transponder memory data storage device on or within a tape cartridge, on which can be stored information describing a data content of the tape. Examples of the type of information stored include file name and type, customer information, system data backed-up, application and file space on the magnetic tape used or remaining. The information stored on such a memory device is upgraded when the magnetic tape is accessed using a known tape drive in a host computer having an integrated driver and read-write device, controlled by software resident on the host device. Many different types of tape data storage cartridge are used in system backup and the location of the transponder memory storage device in relation to a casing of the tape cartridge varies between cartridge media types and is specific to the particular cartridge media type in each case.
To identify items of data stored on the tape cartridge, the memory device comprising part of the cartridge stores data as mentioned above, describing the file names, customer information, application and file space remaining on the tape or used on the tape, and dates of storage of files. A summary information describing the data items stored on the tape can be obtained by automatically interrogating the transponder memory storage device in the cartridge, which is read by the tape drive device by inductive coupling to a transceiver chip forming part of the memory device, and which can be displayed on the visual display unit of the host device. Reading the content of the memory device involves physically picking up the data cartridge, putting the data cartridge in the tape drive of the host device, operating a keypad or pointing device, for example a mouse or tracker ball, to select menu items from an application program on the host device, in order to identify the information describing the data content of the tape.
In order to print a label for the tape, this involves running an application stored on the host device, perhaps manually entering the information describing the data on the tape via a keyboard and/or pointing device and then printing out the label. A problem in printing a label for the tape cartridge by this mechanism is the time taken to print each label. For example, for a person wishing to find a particular item of data in a library, the first time a person enters the library on a particular day, he may have to pick an unlabeled tape cartridge which the person thinks the data item may reside on, and in order to check the data on the cartridge needs to turn on the host computer device, wait for the host device to boot up and initialise, taking possibly a minute or two, select the application required for reading the memory device on the cartridge, again perhaps taking of the order of one or two minutes, and then read the data. If the data cartridge does not contain the required data, then the person needs to remove the cartridge from the drive, which may or may not involve a delay in the software controlling the tape drive unit allowing the person to remove the tape, and then select a different tape from the shelf. For the second, subsequent tape cartridge inspected, the time delays will be shorter than inspecting the first data cartridge, since the host device does not need to be booted up and initialised. However, there is still a significant delay in interrogating the memory device on the cartridge through the application software provided by the host device.
Having found the data cartridge containing the required data, in order to print a label for attachment to the cartridge, the person needs to call up the application software for printing the label, perhaps enter details describing the cartridge manually into the printing application software, using a keyboard and/or pointing device and before printing make sure that an attached printer device is turned on. In order to turn the printing device on, the printing device may go through a print initialisation routine, which in the case of an inkjet printer may take several minutes if used for the first time on a
Crighton Ian Peter
Gold Stephen
Hewlett--Packard Development Company, L.P.
Lowe Hauptman & Gilman & Berner LLP
St.Cyr Daniel
LandOfFree
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