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All writes will occur in the performance tier, and large chunks of data that remain in the performance tier will be efficiently moved to the capacity tier in real time.Once these tiers are configured, ReFS uses them to deliver fast storage for hot data and capacity-efficient storage for cold data:
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Some example configurations include: Performance tier
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These tiers can have their own drive and resiliency types, allowing each tier to optimize for either performance or capacity. To deliver both high performance and capacity efficient storage, ReFS divides a volume into two logical storage groups, known as tiers. Mirror-accelerated parity - Mirror-accelerated parity delivers both high performance and also capacity efficient storage for your data. Real-time tier optimization, block cloning, and sparse VDL are good examples of the evolving capabilities of ReFS, which are designed to support dynamic and diverse workloads: In addition to providing resiliency improvements, ReFS introduces new features for performance-sensitive and virtualized workloads. This scrubber periodically scans the volume, identifying latent corruptions and proactively triggering a repair of corrupt data. Proactive error correction - in addition to validating data before reads and writes, ReFS introduces a data integrity scanner, known as a scrubber.ReFS keeps the volume online while it handles most non-correctable corruptions, but there are rare cases that require ReFS to take the volume offline. Salvaging data - if a volume becomes corrupted and an alternate copy of the corrupted data doesn't exist, ReFS removes the corrupt data from the namespace.Repair processes are both localized to the area of corruption and performed online, requiring no volume downtime. Storage Spaces integration - when used with a mirror or parity space, ReFS can automatically repair detected corruptions using the alternate copy of the data provided by Storage Spaces.Integrity-streams - ReFS uses checksums for metadata and optionally for file data, giving ReFS the ability to reliably detect corruptions.ReFS introduces new features that can precisely detect corruptions and also fix those corruptions while remaining online, helping provide increased integrity and availability for your data: It seeks to address an expanding set of storage scenarios and establish a foundation for future innovations. The Resilient File System (ReFS) is Microsoft's newest file system, designed to maximize data availability, scale efficiently to large data sets across diverse workloads, and provide data integrity with resiliency to corruption.
Refs vs ntfs windows#
Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012