公开(公告)号：WO2009034004A2

公开(公告)日：2009-03-19

申请号：PCT/EP2008061683

申请日：2008-09-04

Applicant: IBM ,  IBM UK ,  REED DAVID CHARLES ,  SHERIDAN JEFFREY THOMAS ,  SMITH MAX DOUGLAS

Inventor： REED DAVID CHARLES ,  SHERIDAN JEFFREY THOMAS ,  SMITH MAX DOUGLAS

IPC: G06F11/30

CPC classification number: G06F11/3495 ,  G06F11/3476 ,  G06F11/3485

Abstract: In a dynamic address tracking system, a token module creates a token for a job that accesses data in a storage system comprising a plurality of storage devices. The token comprises a job name. The job is a batch job. A storage module stores location information for the data accessed by the job in a token table. The location information is indexed by the token. In addition, the location information includes an input/output device name, an address space, a data set name, and a storage device name. A communication module receives a diagnostic command comprising the job name. The token module reconstructs the token using the job name. The storage module retrieves the location information indexed by the token in response to the diagnostic command.

Abstract translation: 在动态地址跟踪系统中，令牌模块为访问包括多个存储设备的存储系统中的数据的作业创建令牌。 令牌包括作业名称。 这份工作是批量工作。 存储模块存储由作业在令牌表中访问的数据的位置信息。 位置信息由令牌索引。 此外，位置信息包括输入/​​输出设备名称，地址空间，数据集名称和存储设备名称。 通信模块接收包括作业名称的诊断命令。 令牌模块使用作业名称重建令牌。 存储模块响应于诊断命令检索由令牌索引的位置信息。

公开(公告)号：WO2007077115A2

公开(公告)日：2007-07-12

申请号：PCT/EP2006069822

申请日：2006-12-18

Applicant: IBM ,  IBM UK ,  REED DAVID CHARLES ,  SMITH MAX DOUGLAS

Inventor： REED DAVID CHARLES ,  SMITH MAX DOUGLAS

IPC: G06F11/36

CPC classification number: G06F11/3648 ,  G06F11/3624

Abstract: A method is disclosed to debug a computer program. The method provides a computer program comprising source code, and a listing of that source code. The method further provides a computing device comprising a data storage medium, and stores the computer program in that data storage medium. The method then runs the computer program, and subsequently 10 detects an error condition. The method creates and saves to the data storage medium a dump file comprising (N) save areas. Using information abstracted from the dump file and the source code listing, the method reproduces the source code execution at the time the error condition was detected.

Abstract translation: 公开了一种调试计算机程序的方法。 该方法提供包括源代码的计算机程序和该源代码的列表。 该方法还提供包括数据存储介质的计算设备，并将计算机程序存储在该数据存储介质中。 该方法然后运行计算机程序，然后10检测到错误状况。 该方法创建并保存包含（N）个保存区域的转储文件到数据存储介质。 使用从转储文件和源代码列表中提取的信息，该方法在检测到错误条件时再现源代码执行。

公开(公告)号：JP2002215334A

公开(公告)日：2002-08-02

申请号：JP2001352918

申请日：2001-11-19

Applicant: IBM

Inventor： REED DAVID CHARLES ,  THOMPSON JOHN GLENN

IPC: G06F12/16 ,  G06F3/06 ,  G06F11/14

Abstract: PROBLEM TO BE SOLVED: To provide an automated fault-tolerant method for forming a physical backup copy of a source DASD volume. SOLUTION: Instant virtual copy, held back of a source volume identifies (ID) is executed, and a physical tape backup copy, to which the source volume ID are reintroduced, is formed from the instant virtual copy, so that a backup copy of a source data volume is formed. The backup copy is not, therefore, formed by various commands issued by a system manager, but formed in processes automated by a machine, which results in low cost and low in possibility of errors. By discriminating the volume ID in the middle of intermediate copying steps, since there will not be troubles by a storage subsidiary system will not bring out a source or, temporary copy having trouble-causing in discriminable volume Ids, this device is more fault-tolerant.

公开(公告)号：DE112012001162T5

公开(公告)日：2013-12-19

申请号：DE112012001162

申请日：2012-04-18

Applicant: IBM

Inventor： SMITH MAX DOUGLAS ,  REED DAVID CHARLES

IPC: G06F12/02

Abstract: In einem computerimplementierten Datenspeichersystem, das mindestens eine Speichersteuerung und einen Datenspeicher aufweist, in dem Daten in Form von Datenträgern gespeichert sind, hat mindestens eine Vielzahl von Datenträgern zumindest einigen freien Speicherplatz, und eine Gruppierung einer Vielzahl von Datenträgern weist einen Pool auf. In Reaktion auf eine Defragmentierungsanforderung startet die Speichersteuerung eine Datenmigration aus einem Pool, um zusätzlichen freien Speicherplatz zu erzeugen. Im Anschluss an die Migration von Daten wird die Fragmentierung der Daten des Pools berechnet, und die Menge von vorhandenem freiem Speicherplatz des Pools wird ermittelt. Die Menge von vorhandenem freiem Speicherplatz wird mit einem Schwellenwert für freien Speicherplatz verglichen, wobei der Schwellenwert für freien Speicherplatz mit der berechneten Fragmentierung in Beziehung steht. Wenn der Vergleich angibt, dass die Menge von freiem Speicherplatz unter dem Schwellenwert liegt, werden Überlaufdatenträger zu dem Pool hinzugefügt; und andernfalls wird der Pool unverändert beibehalten, ohne Überlaufdatenträger hinzuzufügen. Danach wird die Defragmentierung des Pools gestartet.

公开(公告)号：GB2505328A

公开(公告)日：2014-02-26

申请号：GB201315646

申请日：2012-04-18

Applicant: IBM

Inventor： REED DAVID CHARLES ,  SMITH MAX DOUGLAS

IPC: G06F12/02

Abstract: In a computer-implemented data storage system comprising at least one storage control and data storage, wherein data is stored in the form of volumes, at least a plurality of volumes having at least some freespace, and a grouping of a plurality of volumes comprises a pool. In response to a defragmentation request, the storage control initiates migration of data from a pool to generate additional freespace. Subsequent to the migration of data, fragmentation of data of the pool is computed, and the amount of existing freespace of the pool is determined. The amount of existing freespace is compared to a freespace threshold, where the freespace threshold is related to the computed fragmentation. If the comparison indicates the amount of freespace is below the threshold, spill volumes are added to the pool; and, else, the pool is kept intact without adding spill volumes. Then, defragmentation of the pool is initiated.