High-Capacity Hybrid NAS — 1.9 PB per Chassis, 24 TB HDD, SSD Cache, OneFS
The Dell PowerScale H7000 is a high-capacity hybrid NAS chassis housing 4 nodes in a 4U enclosure. With up to 24 TB HDDs and SSD caching per node, it stores up to 1.9 PB per chassis and participates in the same OneFS global namespace as F710 all-flash nodes — delivering cost-effective capacity for warm data tiers, archive, and long-term retention.
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Four H7000 nodes in a single 4U chassis with 24 TB HDDs provides 1.9 PB raw per chassis — among the highest capacity densities in the scale-out NAS market. Clusters of 252 nodes span hundreds of petabytes in a single namespace.
Up to two SSD cache drives (7.68 TB each) per node accelerate frequently accessed files. OneFS automatically determines which files benefit from SSD cache placement — no manual tiering policies required.
H7000 and F710 nodes participate in the same OneFS cluster and global namespace. SmartTiering transparently moves data between tiers based on access frequency — clients always access data through the same path regardless of which node type stores it.
Simultaneous NFS, SMB, HDFS, and HTTP/S access from a single namespace. H7000 clusters serve as cost-effective shared storage for Hadoop analytics, archival workflows, and general file services.
N+2 to N+4 node failure tolerance ensures data availability even when multiple nodes fail simultaneously. SyncIQ replication to a remote cluster provides DR. SnapshotIQ provides near-instant local recovery.
H7000 delivers high capacity at a lower $/TB than all-flash nodes — making it the ideal warm tier for data that is accessed weekly or monthly rather than continuously, while still performing better than traditional NAS.
The Dell PowerScale H7000 is the high-capacity hybrid member of the PowerScale portfolio. It pairs large-capacity HDDs (up to 24 TB per drive, up to 96 drives per chassis) with NVMe SSD caching to deliver cost-effective petabyte-scale NAS performance for warm data tiers.
In a mixed cluster with F710 all-flash nodes, the H7000 forms the capacity tier while F710 provides the performance tier. OneFS SmartTiering manages the data movement policy — files that have not been accessed in a configurable number of days are automatically moved from F710 nodes to H7000 nodes, freeing flash capacity for hot data without any disruption to clients.
The 4-nodes-per-chassis design is a space and power efficiency feature: a single H7000 chassis consumes one power and cooling footprint while housing four independent node compute/memory environments. Nodes can be upgraded individually within a chassis as drive capacity options evolve.
Long-term retention of files accessed weekly or monthly — at lower $/TB than all-flash, with SSD caching for responsive recall of frequently accessed archive content.
HDFS-compatible storage for Spark and Hadoop analytics jobs — H7000 provides the cost-effective capacity tier while F710 nodes serve hot datasets.
Combined with F710 nodes in the same cluster, H7000 forms the capacity tier in a cost-optimised two-tier NAS strategy managed by SmartTiering.
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