Sun Solaris (OS) Question: Download Questions PDF
What would a XIR signal do to a server and why would it be used?
Answer:
XIR signal used by reset command in solaris.
reset (1M) allows you to reset one or more domains in one of two ways: reset the hardware to a clean state or send an externally initiated reset (XIR) signal. The default is to reset the hardware to a clean state. You will receive an error if the virtual keyswitch is in the secure position. An optional confirmation prompt is given by default. Refer to Chapter 6 in the System Management Services (SMS) 1.2 Administrator Guide for the Sun Fire 15K/12K Systems for more information.
An XIR signal (reset -x ) also traps to low-level domain software (OpenBoot PROM or kadb ), which retains control of the software. The domain must be rebooted manually.
reset (1M) allows you to reset one or more domains in one of two ways: reset the hardware to a clean state or send an externally initiated reset (XIR) signal. The default is to reset the hardware to a clean state. You will receive an error if the virtual keyswitch is in the secure position. An optional confirmation prompt is given by default. Refer to Chapter 6 in the System Management Services (SMS) 1.2 Administrator Guide for the Sun Fire 15K/12K Systems for more information.
An XIR signal (reset -x ) also traps to low-level domain software (OpenBoot PROM or kadb ), which retains control of the software. The domain must be rebooted manually.
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