Category: Blog for Unix Admin

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Solaris Troubleshooting : Force an Ethernet network boot client to boot in full duplex or half duplex mode

At Open Boot Prom (OBP) level, all Sun Ethernet interfaces default to use autonegotiation to connect with the highest possible speed and mode. Since most switches and interfaces use this default, too, it is Sun’s recommendation not to change it for regular use

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Solaris Troubleshooting : how Solaris assigns controller numbers

In this post I am talking about  some of the observations on  how Solaris determines  the controller numbers Below are 3 common scenarios encountered by customers: 1) A jumpstart is done with nothing but an internal disk and DVD on the system. -Assigns cdrom C0 -Assigns internal fcal...

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Solaris Troubleshooting : recover hung System Controller [ Sun Fire v1280, E2900, 3800, 4800, 4810, 6800, E4900, E6900, and Netra 1280, 1290 Server ]

When a system controller (SC) is hung, try a few steps before pressing the Reset button on the SC. Step 1 . Try to Telnet or directly connect to the serial port of the “hung” SC, TIP into the platform shell, and use the “reboot” command....

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