I have a few rigs with 3 or 4 1080ti, they work perfectly. But for rigs with 7x 1080ti, ram usage spikes to 99% within 10s of running the miner, hanging the whole system. Do I need more ram or page size, or is the issue due to something else?
Specs:
7x 1080ti FE at 70% PL
G4560
4GB Ddr4
67gb virtual ram
1600w psu
hmm ram usage ? or cpu usage ? (cpu with only 2 threads may have some difficulties in some case)
ram usage by ccminer is pretty low around 4-500Mb virtual ram, with 67Gb of virtual ram you should be ok (the 7 cards shouldn't use more than than 31Gb of swap). what you could try is to run 2 instances.
was thinking, this could be also an issue with difficulty, if your difficulty is too low (ie you are sending tons of 245kb shares, this might increase ram usage), you might need to increase the difficulty