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What is the difference between LINK NOT CONNECTED and LINK DISCONNECTED states on FCP target adapters?

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Applies to

  • Data ONTAP operating in 7-Mode
  • ONTAP 8
  • ONTAP 9
  • All FAS and AFF Hardware Platforms

Answer

  • The following chart breaks down all states of the FCP adapters, and the behavior surrounding them:
Status Definition
UNINITIALIZED The firmware has not yet been loaded and initialized.
LINK NOT CONNECTED The driver has finished initializing the firmware. However, the link is not physically connected so the adapter is offline.
ONLINE The adapter is online for FCP traffic.
LINK DISCONNECTED The adapter is offline due to Fibre Channel link offline event.
OFFLINE The adapter is offline for FCP traffic.
OFFLINE BY USER/SYSTEM A user manually took the adapter offline, or the system automatically took the adapter offline.

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