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Corrected Memory Error Threshold Exceeded
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Uncorrectable Memory Error Dell
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Correctable Memory Error Log Limit Reached Dell
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Correctable Memory Error Rate Exceeded For Dimm A1
network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How http://h20564.www2.hp.com/hpsc/doc/public/display?docId=mmr_kc-0100555 seriously should I take ECC correctable error warnings? up vote 7 down vote favorite I have a pile of Sun X2200-M2 servers. These servers have ECC memory. In some of these servers, I am getting warnings in the eLOM about "correctable ECC errors detected", eg: # ssh regress11 ipmitool sel elist 1 | 05/20/2010 | 14:20:27 | Memory CPU0 DIMM2 | Correctable ECC | Asserted 2 | 05/20/2010 | 14:33:47 | Memory http://serverfault.com/questions/144151/how-seriously-should-i-take-ecc-correctable-error-warnings CPU0 DIMM2 | Correctable ECC | Asserted ...some more frequently than others. The kernel on this particular system is throwing EDAC errors as well, although with far more frequency than the eLOM is recording ECC events: EDAC k8 MC0: general bus error: participating processor(local node response), time-out(no timeout) memory transaction type(generic read), mem or i/o(mem access), cache level(generic) MC0: CE page 0x42a194, offset 0x60, grain 8, syndrome 0xf654, row 4, channel 1, label "": k8_edac MC0: CE - no information available: k8_edac Error Overflow set EDAC k8 MC0: extended error code: ECC chipkill x4 error EDAC k8 MC0: general bus error: participating processor(local node response), time-out(no timeout) memory transaction type(generic read), mem or i/o(mem access), cache level(generic) MC0: CE page 0x48cb94, offset 0x10, grain 8, syndrome 0xf654, row 5, channel 1, label "": k8_edac MC0: CE - no information available: k8_edac Error Overflow set EDAC k8 MC0: extended error code: ECC chipkill x4 error Now if the server is detecting Uncorrectable ECC, the system resets, so clearly that's bad and removing/replacing the identified stick or pair corrects the issue. But I am thinking that if the error is Correctable, then there's no immediate issue -- I can treat this as a warning and be prepared to pull the stick/pair if an uncorrecta
computer data storage that can detect and correct the most common kinds of internal data corruption. ECC memory is used in most computers where data corruption cannot be https://en.wikipedia.org/wiki/ECC_memory tolerated under any circumstances, such as for scientific or financial computing. Typically, ECC memory maintains a memory system immune to single-bit errors: the data that is read from each word is always the https://communities.vmware.com/thread/398190?tstart=0 same as the data that had been written to it, even if one or more bits actually stored have been flipped to the wrong state. Most non-ECC memory cannot detect errors although some memory error non-ECC memory with parity support allows detection but not correction. Contents 1 Problem background 2 Solutions 3 Implementations 4 Cache 5 Registered memory 6 Advantages and disadvantages 7 References 8 External links Problem background[edit] Electrical or magnetic interference inside a computer system can cause a single bit of dynamic random-access memory (DRAM) to spontaneously flip to the opposite state. It was initially thought that this correctable memory error was mainly due to alpha particles emitted by contaminants in chip packaging material, but research has shown that the majority of one-off soft errors in DRAM chips occur as a result of background radiation, chiefly neutrons from cosmic ray secondaries, which may change the contents of one or more memory cells or interfere with the circuitry used to read or write to them.[2] Hence, the error rates increase rapidly with rising altitude; for example, compared to the sea level, the rate of neutron flux is 3.5 times higher at 1.5km and 300 times higher at 10–12km (the cruising altitude of commercial airplanes).[3] As a result, systems operating at high altitudes require special provision for reliability. As an example, the spacecraft Cassini–Huygens, launched in 1997, contains two identical flight recorders, each with 2.5gigabits of memory in the form of arrays of commercial DRAM chips. Thanks to built-in EDAC functionality, spacecraft's engineering telemetry reports the number of (correctable) single-bit-per-word errors and (uncorrectable) double-bit-per-word errors. During the first 2.5years of flight, the spacecraft reported a nearly constant single-bit error rate of about 280errors per day. However, on November 6, 1997, during the first month in space, the numb
NSXVirtual SAN vCenterFusionWorkstationvExpertVMware {code} CloudCredSubmit a Link Home > VMTN > VMware vSphere™ > VMware ESX 4 > Discussions Please enter a title. You can not post a blank message. Please type your message and try again. 3 Replies Latest reply: Sep 9, 2012 6:58 AM by BaoKhanh Correctable ECC logging limit reached - Assert BaoKhanh Apr 11, 2012 8:46 PM Hello,I've upgraded RAM for server X3550M3 (running ESX 4.1.0). But when we start server and check Healthy Status on vCenter, I reciveded warning about memory Correctable ECC logging limit reached - Assert. For more detail, you can see in attach file. Would you please help me to solve this problemThanks, RAM.png 35.9 K 8682Views Tags: none (add) This content has been marked as final. Show 3 replies 1. Re: Correctable ECC logging limit reached - Assert VTsukanov Apr 11, 2012 11:31 PM (in response to BaoKhanh) Hello you have three options :1) Take a look at AMM "Correctable ECC memory error logging limit reached" - IBM BladeCenter HS22, try to apply recommendation about BIOS configuration (despite the fact that you have other model server), reset sensor and wait for the reaction ipmi2) Make reset sensors and wait for the reaction ipmi3) Just change DIMM to known-good Like Show 0 Likes (0) Actions 2. Re: Correctable ECC logging limit reached - Assert iw123 Apr 12, 2012 1:05 AM (in response to VTsukanov) I had same error on a hp blade. The issue was with the DIMM, once replaced it was fine. Is your blade management software reporting any memory problems on that server? Like Show 0 Likes (0) Actions 3. Re: Correctable ECC logging limit reached - Assert BaoKhanh Sep 9, 2012 6:58 AM (in response to BaoKhanh) ok Like Show 0 Likes (0) Actions Go to original post Actions Remove from profile Feature on your profile More