If you install Oracle Solaris on a system with four or more Sun InfiniBand Dual Port 4x QDR PCIe Low Profile Host Channel Adapter M2 Cards, the installation can take much longer than expected.
Workaround
Remove the Sun InfiniBand Dual Port 4x QDR PCIe Low Profile Host Channel Adapter M2 Cards.
Complete the Oracle Solaris installation.
Reinstall the Sun InfiniBand Dual Port 4x QDR PCIe Low Profile Host Channel Adapter M2 Cards.