公开(公告)号：WO1997049038A1

公开(公告)日：1997-12-24

申请号：PCT/US1997010332

申请日：1997-06-18

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  HUGHES, James, P. ,  OLSON, Steve, A.

IPC: G06F13/00

CPC classification number: H04Q11/0478 ,  H04L63/0254 ,  H04L63/20 ,  H04L69/18 ,  H04L69/22 ,  H04L2012/5619 ,  H04L2012/5626 ,  H04L2012/563

Abstract: A policy caching method (400) for use in a communication device is provided. The communication device determines which instance of protocol data unit (PDU) network policy from a plurality of policies is to be applied to related-received PDUs based on contents of one of the related-received PDUs (406). Subsequently, policy identification information identifying the instance PDU policy is cached (408) for future application to other of the related-received PDUs (410). Also, a communication device which implements this policy caching method is provided.

Abstract translation: 提供了一种用于通信设备的策略缓存方法（400）。 通信设备基于相关接收PDU中的一个的内容，确定来自多个策略的协议数据单元（PDU）网络策略的哪个实例将应用于相关接收的PDU。 随后，识别实例PDU策略的策略识别信息被缓存（408）以供将来应用于相关接收PDU中的其他的（410）。 另外，提供实现该策略缓存方法的通信装置。

公开(公告)号：WO1997008621A1

公开(公告)日：1997-03-06

申请号：PCT/US1996013951

申请日：1996-08-29

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  FULD, Stephen, T. ,  SELKIRK, Stephen, S.

IPC: G06F12/08

CPC classification number: G06F12/0866 ,  G06F12/0862 ,  G06F2212/312 ,  G06F2212/6026

Abstract: A system and method that detects sequentially in the memory accesses of a cache data storage system. The system relies on either an internal analysis of the location of records sought to be accessed or hints from the host processing system. The internal analysis is designed to perform on the record level thereby avoiding a substantial number of misses prior to the detection of sequentiality.

Abstract translation: 一种在高速缓存数据存储系统的存储器访问中顺序检测的系统和方法。 系统依赖于寻求访问的记录的位置的内部分析或来自主机处理系统的提示。 内部分析被设计为在记录级别上执行，从而在检测到顺序性之前避免大量的未命中。

公开(公告)号：WO1993010534A1

公开(公告)日：1993-05-27

申请号：PCT/US1992009598

申请日：1992-11-12

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  DODT, William, Carl ,  LIEHE, Thomas, Gardiner ,  McCARTHY, Donald, Francis ,  MILLIGAN, Charles, Allen

IPC: G11B20/18

CPC classification number: G06F3/0601 ,  G06F2003/0698 ,  G11B15/087 ,  G11B15/6835 ,  G11B20/1209 ,  G11B20/1833 ,  G11B20/1866 ,  G11B27/002 ,  G11B27/3027 ,  G11B27/322 ,  G11B27/323 ,  G11B27/328 ,  G11B2220/41 ,  G11B2220/90 ,  H03M13/29

Abstract: The helical scan data write circuits (410, 321) operate on the received stream of data records to produce two orthogonal error detection and correction codes on a scan group level. The data write circuit (410, 321) divides the received stream of data records into data segments, each of which contains a predetermined number of data bytes. A first of these scan group error codes is generated on a per data segment basis while a second scan group error code is generated across multiple data segments. A third level error correcting code (ECC-3) is also used to protect an entire scan group (700) rather than data on a per byte basis. The third level error correction code generator (805) produces an error code over a predetermined number of sequentially written scan groups (700) to enable the control unit (350) to reconstruct an entire scan group (700) if its data integrity is comprised.

Abstract translation: 螺旋扫描数据写入电路（410,321）对所接收的数据记录流进行操作，以在扫描组级别上产生两个正交错误检测和校正码。 数据写入电路（410,321）将所接收的数据记录流划分成数据段，每个数据段包含预定数量的数据字节。 这些扫描组错误代码中的第一个是在每个数据段的基础上生成的，而跨多个数据段生成第二个扫描组错误代码。 第三级纠错码（ECC-3）也用于保护整个扫描组（700）而不是每个字节的数据。 第三级纠错码发生器（805）在预定数量的顺序写入的扫描组（700）上产生错误代码，以使控制单元（350）能够重构整个扫描组（700），如果其数据完整性包括在内。

公开(公告)号：WO1993010533A1

公开(公告)日：1993-05-27

申请号：PCT/US1992009597

申请日：1992-11-12

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  CLEVELAND, Brian, Graham ,  DODT, William, Carl ,  GOTTEHRER, Terry, Robert ,  McCARTHY, Donald, Francis ,  MILLIGAN, Charles, Allen

IPC: G11B20/12

CPC classification number: G11B20/1883 ,  G11B15/005 ,  G11B20/10 ,  G11B20/1209 ,  G11B20/1211 ,  G11B20/1833 ,  G11B20/1879 ,  G11B27/28 ,  G11B27/328 ,  G11B2220/90

Abstract: The control software and hardware in the tape drive control unit (350) creates and manages a header segment (105) at the beginning of the magnetic tape (100). This header (105) is interposed between a leader portion (102-104) of the magnetic tape (100) and the remainder (106-109) of the magnetic tape (100). This header segment (105) contains two sections, a first of which is a data record directory (502) that is used by the control unit (350) to denote the location of each data record written on to the magnetic tape (100) as well as administrative information associated with the data record. The second section of the header (105) is an administrative information section (501) that contains data relating to the magnetic tape itself. At least one longitudinal track (201-203) is written on the magnetic tape (100) coextensive with the helical scan groups (700) to provide data to enable the tape drive (300) to quickly locate data records recorded on the magnetic tape (100).

Abstract translation: 磁带驱动器控制单元（350）中的控制软件和硬件在磁带（100）的开始处创建和管理标题段（105）。 该头部（105）插入在磁带（100）的引导部分（102-104）和磁带（100）的其余部分（106-109）之间。 该标题段（105）包含两个部分，其中第一部分是数据记录目录（502），该数据记录目录由控制单元（350）用来将写入磁带（100）的每个数据记录的位置表示为 以及与数据记录相关联的管理信息。 标题（105）的第二部分是包含与磁带本身相关的数据的管理信息部分（501）。 至少一个纵向轨道（201-203）被写在与螺旋扫描组（700）共同延伸的磁带（100）上，以提供数据以使带驱动器（300）能够快速定位记录在磁带上的数据记录（ 100）。

公开(公告)号：WO1993001595A1

公开(公告)日：1993-01-21

申请号：PCT/US1992005484

申请日：1992-06-30

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  MOY, Michael, Edward ,  OSTWALD, Timothy, Craig

IPC: G11B17/22

CPC classification number: G11B15/6835

Abstract: The stack loader (221) is mounted on a tape drive (211) in the automated library system (111), between the library system robot (230) and the associated tape drive (211). The stack loader (221) receives a stack of data storage media cartridges, such as magnetic tape cartridges from the library system robot (230). The library system robot (230) retrieves a plurality of blank magnetic tape cartridges and loads these cartridges into the stack loader (221) to maintain an available set of scratch tapes ready for immediate loading in the tape drive (211). The library software (110) then translates scratch mount commands into control signals to activate the stack loader (221) to mount a scratch tape in the associated tape drive (211). With queued tape cartridges, the scratch loader (221) functions as a mechanical cache for preloading queued cartridges in the scratch loader (221) for immediate access by the tape drive (211).

Abstract translation: 堆栈装载器（221）安装在自动库系统（111）中的磁带驱动器（211）之间，在库系统机器人（230）和相关磁带驱动器（211）之间。 堆叠装载机（221）从图书馆系统机器人（230）接收数据存储介质盒的堆叠，例如磁带盒。 图书馆系统机器人（230）检索多个空白磁带盒并将这些盒装载到堆叠装载机（221）中，以维持可用的一组备用磁带准备好立即装入磁带驱动器（211）。 库软件（110）然后将临时装载命令转换成控制信号以激活堆栈装载器（221），以将临时磁带安装在相关磁带驱动器（211）中。 使用排队的磁带盒，临时装载机（221）用作机械高速缓存，用于预先加载临时装载机（221）中的排队的磁带，以便磁带驱动器（211）立即访问。

公开(公告)号：WO1992021127A1

公开(公告)日：1992-11-26

申请号：PCT/US1992003513

申请日：1992-04-28

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  DODT, William, Carl ,  McCARTHY, Donald, Francis

IPC: G11B23/02

CPC classification number: G11B23/107 ,  G11B15/61 ,  G11B15/67

Abstract: The helical scan magnetic tape cartridge has substantially the same exterior dimensions as a conventional 3480-type magnetic tape cartridge but is implemented in the inverse configuration. The magnetic tape (503) is wound counterclockwise around the cartridge reel (502), with the recording surface of the magnetic tape (503) facing out. The magnetic tape (503) exits the cartridge housing (501) at the left corner of the front side (504) of the cartridge housing (501) (when viewed from the top). In addition, the right front corner (506) of the cartridge housing (501) may be angled to further distinguish the helical scan magnetic tape cartridge from the conventional 3480-type magnetic tape cartridge.

Abstract translation: 螺旋扫描磁带盒具有与常规3480型磁带盒大致相同的外形尺寸，但是以相反的结构实现。 磁带（503）绕着墨盒卷轴（502）逆时针旋转，磁带（503）的记录表面朝外。 磁带（503）在盒壳体（501）的前侧（504）的左角（当从顶部观察时）离开盒壳体（501）。 此外，盒壳体（501）的右前角（506）可以成角度，以进一步将螺旋扫描磁带盒与常规3480型磁带盒区分开。

公开(公告)号：WO1992020026A1

公开(公告)日：1992-11-12

申请号：PCT/US1992003599

申请日：1992-05-01

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  BEAL, David, Grant ,  CHIKIRA, Joetta, Susanne ,  HILL, Fletcher, Lawrence ,  JURESTOVSKY, Nancy, Rosann ,  STEPHENS, Michael, Robert

IPC: G06F11/00

CPC classification number: G05B13/028 ,  G05B23/0229 ,  G06F11/0727 ,  G06F11/079 ,  G06F11/0793 ,  G06F11/2035 ,  G06F11/2038 ,  G06F11/2205 ,  G06F11/2257

Abstract: The knowledge based system (10) functions in a machine initiated maintenance environment to provide efficient and timely maintenance of customer equipment (40). The knowledge based system (10) provides the failure evaluation function through the use of an expert or knowledge based system (11) that is installed in the customer equipment (40). The knowledge based system (11) makes use of a set of rules and hypotheses to operate on data collected from various points within the customer equipment (40) to monitor the operational integrity of the customer equipment (40). This knowledge based system (11) identifies the occurrence of a failure within the customer equipment (40) and functions using its rules, hypotheses and collected data to isolate the source of the error in the customer equipment (40) and, whenever possible, "fence" or isolate the failed field replaceable unit (70-75) that has caused the error.

Abstract translation: 基于知识的系统（10）在机器启动的维护环境中起作用，以提供客户设备的高效和及时的维护（40）。 基于知识的系统（10）通过使用安装在客户设备（40）中的专家或基于知识的系统（11）来提供故障评估功能。 基于知识的系统（11）利用一组规则和假设来对从客户设备（40）内的各个点收集的数据进行操作，以监视客户设备（40）的操作完整性。 基于知识的系统（11）识别客户设备（40）内发生的故障，并使用其规则，假设和收集的数据来隔离客户设备中的错误源（40），并且尽可能地“ 围栏“或隔离导致错误的故障现场可更换单元（70-75）。

公开(公告)号：WO1992010831A1

公开(公告)日：1992-06-25

申请号：PCT/US1991008007

申请日：1991-10-23

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  LEONHARDT, Michael, Lawrence ,  MILLIGAN, Charles, Allen

IPC: G11B05/027

CPC classification number: G11B15/67 ,  G11B15/66 ,  G11B15/6656 ,  G11B25/066

Abstract: This system makes use of a tape cassette helical scan tape transport (415-421) and 3480-type magnetic tape cartridge (401) as the data storage media. The merging of these two incompatible elements is accomplished by the use of a novel interface that implements a 'virtual tape cassette' using a tape cartridge (401) in a manner that makes this media compatible with the tape transport (415-421). The virtual tape cassette is implemented by providing a takeup reel (402) positioned with the magnetic tape cartridge (401) in a relationship that substantially matches the format of a magnetic tape cassette. A short tape threading arm (403) is used to retrieve the leader block (311) from the tape cartridge (401) and thread the magnetic tape (424) over a short tape threading path (423) to the takeup reel (402). Once the tape (424) is affixed to the takeup reel (402), the helical scan tape guide arms (415, 419) transport the length of tape (424) that is now exposed between the tape cartridge (401) and the takeup reel (402) to the rotary heads (416).

公开(公告)号：WO1991020034A1

公开(公告)日：1991-12-26

申请号：PCT/US1991003848

申请日：1991-05-31

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  BEAL, David, Grant ,  EIFERT, Fred, Charles ,  LUDLAM, Henry, Southworth ,  MILLIGAN, Charles, Allen ,  RUDESEAL, George, Arthur ,  SWIATEK, Paul, Robert

IPC: G06F11/20

CPC classification number: G06F11/2071 ,  G06F11/1402 ,  G06F11/2058 ,  G06F11/2074 ,  G06F11/2079 ,  G06F11/2089 ,  G06F11/2094 ,  G11C29/74

Abstract: A disk storage system that writes multiple copies of records directed to user-specified volumes. A plurality of spaced apart control units (112, 113) interconnected by direct data links (106) and a corresponding plurality of sets of recording means (109, 111) communicate over the direct data links (106) when a write request is received by one control unit (112, 113) to cause one volume in each set of recording means (109, 111) to write a copy of the received record.

公开(公告)号：WO1991003880A1

公开(公告)日：1991-03-21

申请号：PCT/US1990005053

申请日：1990-09-05

Applicant: STORAGE TECHNOLOGY CORPORATION

Inventor： STORAGE TECHNOLOGY CORPORATION ,  O'BRIEN, John, Timothy

IPC: H03M07/30

CPC classification number: H03M7/48 ,  G06T9/005 ,  H03M7/3088

Abstract: The improved data compression system (100) concurrently processes both strings of repeated characters and textual substitution of input character strings. In this system (100), the performance of data compression techniques based on textual substitution are improved by the use of a compact representation for identifying instances in which a character in the input data stream is repeated. This is accomplished by nesting a run length encoding system (110) in the textual substitution system (111, 112, 120). This structure adds the recognition of runs of a repeated character before the processor performs the textual substitution data compression operation. A further performance improvement is obtained by expanding the alphabet of symbols stored in the compressor's dictionary (120) to include both the characters of the input data stream and repeat counts which indicate the repetion of a character. The handling of these repeat counts by the textual substitution based compression technique is no different than the handling of characters, or certain modifications are made in the handling of repeat counts.