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Dell-EMC

D-MSS-DS-23 · Question #71

What can be done to provide best performance on Dell Unity iSCSI connections?

The correct answer is A. Configure Jumbo frames end-to-end. To provide the best performance on Dell Unity iSCSI connections, configuring Jumbo frames end- to- end is recommended. Jumbo frames allow for larger packet sizes than the standard 1500 bytes, typically up to 9000 bytes. This reduces the number of packets transmitted, decreases…

Storage Design Principles and Best Practices

Question

What can be done to provide best performance on Dell Unity iSCSI connections?

Options

  • AConfigure Jumbo frames end-to-end.
  • BConfigure LACP on all connections.
  • CUtilize FSN on hosts.
  • DConfigure Flow control on all ports.

How the community answered

(57 responses)
  • A
    77% (44)
  • B
    5% (3)
  • C
    14% (8)
  • D
    4% (2)

Explanation

To provide the best performance on Dell Unity iSCSI connections, configuring Jumbo frames end- to- end is recommended. Jumbo frames allow for larger packet sizes than the standard 1500 bytes, typically up to 9000 bytes. This reduces the number of packets transmitted, decreases CPU utilization, and improves overall network efficiency. Here's how to configure Jumbo frames: Switch Configuration: Enable Jumbo frames on all network switches that will handle iSCSI traffic. Network Interface Configuration: Configure all network interfaces (NICs) on the storage system and the iSCSI hosts to support Jumbo frames. End-to-End Consistency: Ensure that Jumbo frames are configured consistently across the entire network path from the storage system to the hosts to avoid fragmentation and performance

Topics

#iSCSI#Jumbo frames#Unity network performance#ethernet best practices

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