WeRecoverData

NetApp SolidFire Data Recovery

SolidFire is a scale-out all-flash block platform built for multi-tenant environments and service providers. Its Element OS spreads every volume across all nodes in the cluster, so cluster-level faults — node loss beyond Helix protection, or slice metadata damage — are what put data at risk, not individual drive failures.

Platform Lineage and Naming

SolidFire was founded in 2010 and acquired by NetApp in 2015. The platform continued as NetApp SolidFire with Element OS, and its storage nodes became the storage half of NetApp HCI alongside compute nodes.

Hardware generations include the original SF-series nodes (SF2405, SF4805, SF9605, SF19210 and similar) and later H-series nodes (H410S, H610S). NetApp has since wound down new HCI sales, leaving a substantial installed base and a steady flow of decommissioning and failure cases.

Generations and Models We Evaluate

Architecture and Data Layout

An Element cluster is built from four or more storage nodes. Each volume's data is broken into blocks, deduplicated and compressed cluster-wide, and distributed across every node — there is no volume that lives on a single node or a single RAID set.

Element separates metadata (slice services, which map volume LBAs to block identifiers) from block services (which hold the deduplicated blocks). Helix keeps redundant copies across nodes, so protection is node-level rather than drive-level.

Recovery involves reconstructing both layers: the block store across the surviving nodes' drives and the slice metadata that turns a volume offset into block identifiers. Above that, the recovery target is normally VMFS datastores, guest file systems or databases.

Logical Failures

Hardware Failures

Encryption and Keys

Element supports encryption at rest using self-encrypting drives with cluster or external key management. If enabled, cluster key state must be preserved with the drives or the block store cannot be read.

Frequently Asked Questions

We lost two nodes in a SolidFire cluster. Is recovery possible?

It depends on the Helix configuration and which services those nodes held. Partial recovery is often achievable from the surviving nodes, and the evaluation establishes how much of the block and metadata layer can be rebuilt.

Can you work from drives pulled out of decommissioned nodes?

Yes, provided drives from enough nodes are available and identified by node. Because data is distributed cluster-wide, drives from a single node are rarely sufficient on their own.

Does NetApp HCI use the same recovery approach?

The storage half of NetApp HCI is Element, so yes — the storage-layer work is the same. Compute nodes are standard servers and are treated separately.

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