公开(公告)号：DE602004005344D1

公开(公告)日：2007-04-26

申请号：DE602004005344

申请日：2004-06-15

Applicant: IBM

Inventor： KERN ROBERT FREDERIC ,  PETERSEN DAVID ,  LUDVIG RUNE WILLY

IPC: G06F11/20

Abstract: Provided are a method, program, and system for managing data. A mirror policy is processed indicating volumes in a first storage system to mirror to volumes in a second storage system and volumes in the second storage system to mirror to volumes in a third storage system, wherein the third storage system is at a first geographical location remote with respect to a second geographical location including the first and second storage systems. A failure is detected of the first and second storage systems at the first geographical location. Automatic reconfiguration is made to network resources directing I/O requests to volumes in the first storage system to direct I/O requests to volumes in the third storage system. A failure of the first storage system and the availability of the second storage system is detected and, in response, network resources are reconfigured to direct I/O requests to volumes in the first storage system to volumes in the second storage system in response to detecting the failure of the first storage system and the availability of the second storage system. Updates to the second storage system are copied to the third storage system after reconfiguring network resources to direct I/O requests to volumes in the first storage system to volumes in the second storage system.

公开(公告)号：DE602004005344T2

公开(公告)日：2007-11-29

申请号：DE602004005344

申请日：2004-06-15

Applicant: IBM

Inventor： KERN ROBERT FREDERIC ,  PETERSEN DAVID ,  LUDVIG RUNE WILLY

IPC: G06F11/20

Abstract: Provided are a method, program, and system for managing data. A mirror policy is processed indicating volumes in a first storage system to mirror to volumes in a second storage system and volumes in the second storage system to mirror to volumes in a third storage system, wherein the third storage system is at a first geographical location remote with respect to a second geographical location including the first and second storage systems. A failure is detected of the first and second storage systems at the first geographical location. Automatic reconfiguration is made to network resources directing I/O requests to volumes in the first storage system to direct I/O requests to volumes in the third storage system. A failure of the first storage system and the availability of the second storage system is detected and, in response, network resources are reconfigured to direct I/O requests to volumes in the first storage system to volumes in the second storage system in response to detecting the failure of the first storage system and the availability of the second storage system. Updates to the second storage system are copied to the third storage system after reconfiguring network resources to direct I/O requests to volumes in the first storage system to volumes in the second storage system.

公开(公告)号：DE112016001295T5

公开(公告)日：2017-12-14

申请号：DE112016001295

申请日：2016-05-03

Applicant: IBM

Inventor： THOMPSON JOHN GLENN ,  PETERSEN DAVID ,  SPEAR GAIL ANDREA ,  MCCLURE ALAN GEORGE ,  ROMAN DANIEL ,  FRANKENBERGER MICHAEL ,  BRANDNER MICHAEL

IPC: G06F11/20

Abstract: Es werden ein Computerprogrammprodukt, ein System und ein Verfahren bereitgestellt zum Ausführen eines Failover zwischen einem ersten Speichersystem und einem zweiten Speichersystem. Daten werden zwischen dem ersten Speichersystem und dem zweiten Speichersystem synchronisiert. Ein Failover wird von dem ersten Speichersystem zu dem zweiten Speichersystem als Reaktion auf ein Failover-Ereignis in dem ersten Speichersystem ausgeführt, während die Daten synchronisiert werden. Als Reaktion auf das Failover-Ereignis wird festgestellt, dass eine erste Speichereinheit des ersten Speichersystems nicht funktionsfähig ist und eine zweite Speichereinheit des ersten Speichersystems funktionsfähig ist. Als Reaktion auf ein Feststellen, dass die zweite Speichereinheit funktionsfähig ist, wird ein Neusynchronisieren ausgelöst zum Kopieren von Updates zu einer zweiten Speicherenheit des ersten Speichersystems durch Spiegeln der zweiten Speichereinheit des zweiten Speichersystems zu der zweiten Speichereinheit des ersten Speichersystems.

公开(公告)号：AT357019T

公开(公告)日：2007-04-15

申请号：AT04821178

申请日：2004-06-15

Applicant: IBM

Inventor： KERN ROBERT FREDERIC ,  PETERSEN DAVID ,  LUDVIG RUNE WILLY

IPC: G06F11/20

Abstract: Provided are a method, program, and system for managing data. A mirror policy is processed indicating volumes in a first storage system to mirror to volumes in a second storage system and volumes in the second storage system to mirror to volumes in a third storage system, wherein the third storage system is at a first geographical location remote with respect to a second geographical location including the first and second storage systems. A failure is detected of the first and second storage systems at the first geographical location. Automatic reconfiguration is made to network resources directing I/O requests to volumes in the first storage system to direct I/O requests to volumes in the third storage system. A failure of the first storage system and the availability of the second storage system is detected and, in response, network resources are reconfigured to direct I/O requests to volumes in the first storage system to volumes in the second storage system in response to detecting the failure of the first storage system and the availability of the second storage system. Updates to the second storage system are copied to the third storage system after reconfiguring network resources to direct I/O requests to volumes in the first storage system to volumes in the second storage system.