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ONTAP Technical Reports

Maximums and limits

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The following section covers the maximums and minimums of a NetApp AFX cluster as compared to unified ONTAP.

For the most recent limits, see Hardware Universe.

NetApp AFX maximums and minimums

Limit Unified ONTAP NetApp AFX

Volume count (cluster)

  • 30,000 (platform dependent)

  • 30,000

Aggregate size

  • 800TB

  • N/A (no physical aggregates)

Node count

  • 24

  • 8 (9.17.1)

  • 32 (9.19.1GA)

Total capacity

  • 2PB (9.17.1)

  • 3PB (9.18.1RC1)

  • 16PB (9.18.1GA release)

  • 20PB (9.19.1RC0)

  • 32PB (9.19.1GA)

Supported shelf count

  • 8 per HA pair

  • 192 per cluster

  • 12 per cluster (9.18.1GA)

  • 17 per cluster (9.19.1RC0)

  • 27 per cluster (9.19.1GA) (no HA pair limitation)

Total supported drive count

  • 240 per HA pair

  • 2880 (24 nodes)

  • 288 per cluster (based on shelf count limits; no HA pair limitation)

  • 408 per cluster (9.19.1RC0)

  • 648 per cluster (9.19.1GA)

Volume size

  • 300TB (FlexVol)

  • 60PB (FlexGroup)

  • 300TB (FlexVol)

  • 60PB (FlexGroup - prior to 9.19.1)*

  • ~153PB (FlexGroup - 9.19.1 and later)*

Maximum FlexGroup constituent count

  • 200

  • 200 (9.18.1 and prior)

  • 512 (9.19.1GA)

Maximum files per volume

  • 2 billion (FlexVol)

  • 400 billion (FlexGroup)

  • 2 billion (FlexVol)

  • 400 billion (FlexGroup)

  • 1 trillion (FlexGroup - 9.19.1GA and later)

Maximum files per directory (default 320MB maxdirsize value)

  • ~4 million (FlexVol)

  • ~2 million (FlexGroup)

  • ~4 million (FlexVol)

  • ~2 million (FlexGroup)

SnapMirror concurrent transfers

  • 250

  • 250

Number of qtrees

  • 4096

  • 4096

Maximum TCP connections per node

  • 100,000

  • 100,000

Maximum locks per node

  • 3 million

  • 3 million

Maximum data interface count (cluster)

  • 4096

  • 4096

Maximum number of intercluster LIFs

  • 8

  • 8

Maximum number of IP spaces

  • 512

  • 512

Maximum number of FlexCache per origin

  • 100

  • 100

Max number of FlexCache (node)

  • 400

  • 400

*FlexGroup maximum size will be limited to 32PB physical size.

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