Consistency group fault tolerance

A fault tolerance computer implemented method, a computer program product, and a system for allowing asynchronous replication to continue with no lag increase due to RPA failure comprising: creating a consistency group (CG) on a first replication appliance and a shadow copy of the CG on a second rep...

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Bibliographische Detailangaben
Hauptverfasser: Singer, Ido, Natanzon, Asaf, Baruch, Leehod, Bar'el, Asaf, Solan, Alex
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A fault tolerance computer implemented method, a computer program product, and a system for allowing asynchronous replication to continue with no lag increase due to RPA failure comprising: creating a consistency group (CG) on a first replication appliance and a shadow copy of the CG on a second replication appliance; sending input/output (IO data), via a splitter, to the CG in a first replication appliance; and sending IO data, via the splitter, to shadow copy of the CG on a second replication appliance.