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ۼ : 06-03-02 09:49
UltraSparcII Module CPU Recommand Դϴ. |
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ȸ : 4,921
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ȳϼ.
Sun System ȭ CPU Recommand Դϴ.
1.
Sun System ϴ cpu Ͽ
ּȭ ϱ Ͽ 翡 Recommandϴ κ ִ.
2.CPU Problem status
Sun Enterprise Server UltraSparcII Module ž Ǿ κ Error Ecache parity error cpu ִ Cache memory bit Ͽ cpu resetǴ δ.Ϲ device data Ұ data ռ ϱ ؼ data ۽ parity ϸ data checksum ٸ 쿡 error ϰ ȴ. Ϲ ݵü Ưȯ濡 ⷮ Ǵ ϸ鼭 bit Ű 찡 ִ. cpu error ũ 2 ü hardware (chip ܶǴ ) errorϼ ִ. 2 cpu reset Ͽ ý rebootingǴ ʷѴ. hardware error ý resetǴ° emission error κ Ưκ control ϸ ̺κ ϴ cpu error ý reset ϴ κ ̴.
3.CPU procedure
[SMP(Symmetric multi-Process) ý ]
SMP -
SYMMETRIC MULTIPROCESSING(Ī Ƽμ).̻ μ Ͽ Ƽ μ ϴ ϳ ýۿ μ ϳ , θ ϴ Ƽ μ Ѵ. ̷ Ƽ μ ϱ 64 μ ϴ ̿Ǵ Դϴ. μ Ҽ ڿ ϴµ ȿ .SMP μ ϴ Ƽ μ MPP Ѵ.SMP μ 2̸ μ Ȥ 2WAY ý̶ ϰ μ 4̸ 4WAYý, 8̸ 8WAY ý̶ մϴ.
cpu ۾ ϴ° data disk memory ̰ cache memory load ǽõǰ ȴ. ǽ ȯ cache data ٽ memory sync Ǵ · data ̷ .
⼭ memory,ecache,cpu data ۵Ǿ ݵ data ռ θ Ÿϰ Ǹ ̿ error code ϰ ȴ. Cpu problem status ٿ hardware errorܿ particle emission Ұ ۵Ǿ bit ϴ 찡 ִ.ַ bit main memoryٴ ΰ cache memory Ǹ cache memory load data cache ӹ bit Ȯ . ȯ data memory ϴ data ̴ ̴.
4.Cache scrubber?
Cpu procedure κ ȯ data memory ϴ cpu error ̴ ǥƴ. cache scrubber solaris kernel ֱ cache memory update κ main memory write backϴ ϸ ִ ϴ ̴ ̴.
Cache scrubber ecache_scan_rate ecache_calls_a_sec parameter ecache_scan_rate 1000ϰ 1ʿ cache scanϰ Ǹ 100ϰ cache 10% scanȴ. ecache_calls_a_sec parameter ʴ scrubber routine ϴ ǥϴ ġ default 100̴.
5.Sun Recommand
sun 翡 տ cache scrubber κ parameter ϸ鼭 test ġ ġ settingϴ .
1)UltraSparcII (400Mhz 8Mcache cpu)
#vi /etc/system (kernel parameter )
set ecache_scrub_enable=1 cache scrubber
set ecache_scan_rate=1000 cache scan
set ecache_calls_a_sec=100 ʴ 100 cache scrubber
#reboot -- -r(system reboot)
2)UltraSparcii MSRAM(Mirrored SRAM)
mirrored sram cache memory bit error ΰ cache memory bit κ data ڵ ٴ device ϰ ȴ. MSRAM cache scrubber ϵ mirror ɸ Ѵ.
#vi /etc/system
set ecache_calls_a_sec=1
set ecache_scan_rate=1
set ecache_is_mirrored=1
#reboot -- -r(system reboot)
[ - http://cafe.naver.com/solatech.cafe ]
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