Failure management method for a storage system

Provided is a method of performing backup and recovery of data by using journaling, and performing management upon occurrence of a failure. The method includes: a first step of setting a recovery point indicative of the given time; a second step of creating an information of correspondence between t...

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Bibliographic Details
Main Authors EMARU HIRONORI, OKADA WATARU, SATO MASAHIDE, WAKE HIROSHI
Format Patent
LanguageEnglish
Published 24.05.2007
Subjects
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Summary:Provided is a method of performing backup and recovery of data by using journaling, and performing management upon occurrence of a failure. The method includes: a first step of setting a recovery point indicative of the given time; a second step of creating an information of correspondence between the snapshot and the journal data which is required to restore data at the set recovery point time; a third step of detecting the occurrence of failure of the disk drive; and a fourth step of detecting the recovery point at which data cannot be restored due to the failure of the disk drive.
Bibliography:Application Number: US20060334625