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ۼ : 06-03-02 09:49
UltraSparcII Module CPU Recommand Դϴ.
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ȸ : 4,920  
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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