Limiting blast radius for critical on-disk data corruptions in a distributed storage system

Limiting blast radius for critical on-disk data corruptions in a distributed storage system

System and method for managing distributed storage objects for host unavailability in a distributed storage system uses at least one of a crash indicator in a specific on-disk block and a paused object indicator for a distributed storage object to determine whether to perform data recovery for the d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Knauft, Eric, Gao, Junlong, Li, Kevin Rayfeng, Pudi, Satish, Wang, Wenguang, Liu, Quanxing, Renauld, Pascal
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:System and method for managing distributed storage objects for host unavailability in a distributed storage system uses at least one of a crash indicator in a specific on-disk block and a paused object indicator for a distributed storage object to determine whether to perform data recovery for the distributed storage object. When the crash indicator is set or the paused object indicator implies that the distributed storage object is a paused object, the distributed storage object is left as a paused object without perform the data recovery for the distributed storage object. When the crash indicator is unset and the paused object indicator implies that the distributed storage object is not a paused object, the data recovery for the distributed storage object is performed.