Data consistency during recovery in a cloud-based storage system

This invention describes a system for keeping data safe and consistent within a cloud storage environment. It operates by storing data in a fast, primary cloud storage tier and also in a slower, more permanent secondary cloud storage tier. If the fast storage fails, the system uses special tracking information, which is itself stored in the secondary tier, to locate the lost data in the permanent storage and restore it to new fast storage. The claims specifically narrow this to tracking metadata for data portions in a first cloud storage tier, with that metadata residing in a second cloud storage tier.

Why it matters: Filed in 2019, this addresses a persistent cloud challenge. By 2026, the increased maturity of cloud platforms and the availability of more sophisticated cloud-native tools could simplify the implementation of such complex data recovery and consistency logic.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedCloud storage software, data recovery logic

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