The psradm command can be used to change the operational status of a processor(s) in a multiprocessor system. The statuses are online, offline and no-intr. Here are a few examples.
Take processors 2 and 3 offline
# psradm -f 2 3
Processors 1 and 2 are not interrupted by I/O processes
# psradm -i 1 2
Bring a specified processor, 3, online
# psradm -n 3
Bring all processors online
# psradm -a -n
This blog covers Unix system administration HOWTO tips for using inline for loops, find command, Unix scripting, configuration, SQL, various Unix-based tools, and command line interface syntax. The Unix OS supports tasks such as running hardware, device drivers, peripherals and third party applications. Share tips/comments. Read the comments. But most importantly: Read Disclaimer - Read Disclaimer.
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