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Intel Rapid Storage Technology: overtaxes system
I am hoping someone has solved this themselves, or knows how to research the problem further than I. My next recourse is to re-install the system without IRST.
The system works well, in general, but every once in a while, the RAID driver from IRST (IaStor.sys) becomes very resource hungry, taking at a minimum 25% of the CPU with peaks that go much higher. While this load would normally be tolerable, if it happens during streaming a video, or playing a game, it causes momentary freeze-ups where the mouse and keyboard are unresponsive, and video drops several seconds worth of frames.
IaStor runs normally in the background with fractional CPU load, so I am thinking the overload comes during some error checking. I have checked the process through Process Explorer, and there are level 0 and level 1 priority threads occurring.
I should also note that this problem has become worse with time.
Any suggestions for a next move that do not require a re-install?