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Performance: Premium HA direct-attached SSD storage

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Performance information for the reference platform.

Reference platform

ONTAP Select (Premium XL) hardware (per node)

  • FUJITSU PRIMERGY RX2540 M4:

    • Intel® Xeon® Gold 6142b CPU at 2.6 GHz

    • 32 physical cores (16 x 2 sockets), 64 logical

    • 256 GB RAM

    • Drives per host: 24 960GB SSD

    • ESX 6.5U1

Client hardware

  • 5 x NFSv3 IBM 3550m4 clients

Configuration information

  • SW RAID 1 x 9 + 2 RAID-DP (11 drives)

  • 22+1 RAID-5 (RAID-0 in ONTAP) / RAID cache NVRAM

  • No storage efficiency features in use (compression, deduplication, Snapshot copies, SnapMirror, and so on)

The following table lists the throughput measured against read/write workloads on a high availability (HA) pair of ONTAP Select nodes using both software RAID and hardware RAID. Performance measurements were taken using the SIO load-generating tool.

Note These performance numbers are based on ONTAP Select 9.6.

Performance results for a single node (part of a four-node medium instance) ONTAP Select cluster on a direct-attached storage (DAS) SSD, with software RAID and hardware RAID

Description Sequential Read 64KiB Sequential Write 64KiB Random Read 8KiB Random Write 8KiB Random WR/ RD (50/50) 8KiB

ONTAP Select large instance with DAS (SSD) software RAID

2171 MiBps

559 MiBps

954 MiBps

394 MiBps

564 MiBps

ONTAP Select medium instance with DAS (SSD) software RAID

2090 MiBps

592 MiBps

677 MiBps

335 MiBps

441 3MiBps

ONTAP Select medium instance with DAS (SSD) hardware RAID

2038 MiBps

520 MiBps

578 MiBps

325 MiBps

399 MiBps

64K sequential read

Details:

  • SIO direct I/O enabled

  • 2 nodes

  • 2 x data NIC per node

  • 1 x data aggregate per node (2TB hardware RAID), (8TB software RAID)

  • 64 SIO procs, 1 thread per proc

  • 32 volumes per node

  • 1 x files per proc; files are 12000MB each

64K sequential write

Details:

  • SIO direct I/O enabled

  • 2 nodes

  • 2 x data network interface cards (NICs) per node

  • 1 x data aggregate per node (2TB hardware RAID), (4TB software RAID)

  • 128 SIO procs, 1 thread per proc

  • Volumes per node: 32 (hardware RAID), 16 (software RAID)

  • 1 x files per proc; files are 30720MB each

8K random read

Details:

  • SIO direct I/O enabled

  • 2 nodes

  • 2 x data NICs per node

  • 1 x data aggregate per node (2TB hardware RAID), (4TB software RAID)

  • 64 SIO procs, 8 threads per proc

  • Volumes per node: 32

  • 1 x files per proc; files are 12228MB each

8K random write

Details:

  • SIO direct I/O enabled

  • 2 nodes

  • 2 x data NICs per node

  • 1 x data aggregate per node (2TB hardware RAID), (4TB software RAID)

  • 64 SIO procs, 8 threads per proc

  • Volumes per node: 32

  • 1 x files per proc; files are 8192MB each

8K random 50% write 50% read

Details:

  • SIO direct I/O enabled

  • 2 nodes

  • 2 x data NICs per node

  • 1 x data aggregate per node (2TB hardware RAID), (4TB software RAID)

  • 64 SIO proc208 threads per proc

  • Volumes per node: 32

  • 1 x files per proc; files are 12228MB each