Sun Microsystems SPARC Enterprise M8000 Product Notes page 21

For more information, refer to CR 6718173
For 1027A-Z/X1027A-Z, PCIe Dual 10 Gigabit Ethernet Fiber XFP cards, these
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limits apply:
Do not use more than two cards per domain.
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Do not use these cards in an External I/O Expansion Unit.
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For 4447A-Z/X4447A-Z, PCIe Quad-port Gigabit Ethernet Adapter UTP cards,
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these maximum limits apply:
No more than four cards in an External I/O Expansion Unit (two per PCIe I/O
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boat).
No more than eight cards in a domain.
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Do not install more than six IOUA cards per domain in a SPARC Enterprise
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M8000/M9000 server if you are using a version of Solaris earlier than Solaris 10
5/08.
To complete updating the OpenBoot™ PROM firmware in the target domain, be
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sure to power off/on the domain.
When the Solaris OS is in single user mode, do not switch from the domain
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console to the XSCF Shell as the Solaris OS might switch to multi-user mode.
Do not use the CD-RW/DVD-RW drive unit and the TAPE drive unit at the same
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time.
The XSCF browser interface (XSCF Web), does not support the External I/O
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Expansion Unit Manager feature.
The use of the External I/O Expansion Unit to connect the host server to an
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external boot disk drive is not supported.
You cannot use the following user account names, as they are reserved by the
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XSCF firmware for system use: adm, admin, apache, bin, daemon, default,
ldap, nobody, ntp, operator, root, rpc, rpcuser, and sshd.
Do not use the Service Processor (SP) as the Network Time Protocol (NTP) server.
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Using an independent NTP server provides optimal reliability in maintaining
consistent time on the SP and the domains. For more information about NTP, see
the Sun Blueprint document, Using NTP to Control and Synchronize System Clocks:
http://www.sun.com/blueprints/0701/NTP.pdf
in
Sun SPARC Enterprise M8000/M9000 Servers Product Notes
.
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