PowerScale OneFS: macOS Client Performance and User Experience Optimization

• 1

  OneFS and macOS
• 2

  Audience
• 3

  Revisions
• 4

  We value your feedback

• 1

  On the PowerScale OneFS Cluster
• 2

  On the macOS client system
• 3

  On the network switches

• 1

  Network storage protocols
• 2

  SMB3 Multichannel

• 1

  Apple software driver problems
• 2

  Updating maxqueuelen

• 1

  About Apple SMB extensions
• 2

  Disabling Apple extensions on the PowerScale cluster

• 1

  Increase SMB credits in OneFS
• 2

  Increasing SMB credits in OneFS

• 1

  Boot arguments
• 2

  Increase network memory allocation
• 3

  Configure ServerPerfMode (Intel Macs only)
• 4

  Appending Boot Arguments

• 1

  Defaults command
• 2

  .DS_Store files on network shares
• 3

  Viewing com.apple.desktop.services

• 1

  TCP delayed_ack
• 2

  Delayed ack
• 3

  Changing delayed_ack with sysctl
• 4

  /etc/sysct.conf

• 1

  /etc/nsmb.conf
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  SMB signing
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  SMB session signing
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  SMB change notifications
• 5

  Force SMB protocol version
• 6

  Enabling alternate data streams (named streams)
• 7

  Prefer wired connections for SMB multichannel
• 8

  Example /etc/nsmb.conf

• 1

  Spotlight search
• 2

  Disable Spotlight index of a mounted volume
• 3

  Enabling Spotlight search
• 4

  Performing Spotlight searches of network volumes

• 1

  Ethernet flow control

• 1

  Where to start?
• 2

  Reduce complexity
• 3

  Simplify the client
• 4

  Observe macOS network statistics

• 1

  smbutil output
• 2

  Observe SMB3 multichannel

• 1

  Dell Technologies documentation
• 2

  Apple KB Articles