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SPARC T5-4 Server Product Notes

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Updated: May 2016
 
 

Support for the InfiniBand Dual Port 4x QDR PCIe Low Profile Host Channel Adapter (Bug ID 19871511, 20077539)

Note the following configuration restrictions for the Dual Port 4x QDR PCIe low Profile Host Channel Adapter (part numbers 7104073, and 7104074 ).

Caution

Caution  -  If you install this card in an unsupported configuration, I/O behavior might be inconsistent and long-term system stability will be at risk.

In some cases, an unsupported configuration might lead to a system crash and/or a hang in OpenBoot with the following console message(s):

NOTICE: Entering OpenBoot.
NOTICE: Fetching Guest MD from HV.
NOTICE: Starting additional cpus.
NOTICE: Initializing LDC services.
NOTICE: Probing PCI devices.
Unable to assign resources for VF unnamed

If you are using Oracle VM Server for SPARC, see the configuration rules for SR-IOV devices published in the Oracle VM Server for SPARC Administration Guide.

Note -  For more information about PCIe slot restrictions, see I/O Slot Restrictions.

Single-PM configurations: Servers equipped with a single processor module can support up to two InfiniBand dual port 4x QDR low profile HCAs in a fixed configuration. Note the following restrictions:

  • A maximum of two InfiniBand dual port 4x QDR low profile HCAs is supported.

  • The InfiniBand dual port 4x QDR low profile HCAs adapters must be installed in PCIe slots 4 and 8 only.

  • PCIe slots 5 and 9 must remain unpopulated.

Dual-PM configurations: Servers equipped with two processor modules can support up to four InfiniBand dual port 4x QDR low profile HCAs. Note the following configurations:

  • A maximum of four InfiniBand dual port 4x QDR low profile HCAs is supported.

  • Install in slots 3-14 only. Do not install in slots 1, 2, 15, or 16.

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