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Neel Kotak
Nutanix Employee
Neel KotakNutanix Employee
posted in How It works

What to do when there is a DIMM failure alert?

What is the DIMM error?   A memory error is an event that leads to the logical state of one or multiple bits being read differently from how they were last written. For example, If 1 was written in a memory cell and while reading the same memory cell, it returns 0.    Memory errors can be classified into two types:   Soft errors, which randomly corrupt bits but do not leave physical damage. Soft errors are transient in nature and are not repeatable. Soft errors can be because of electrical or magnetic interference (e.g. due to cosmic rays, alpha particles, leakage, random noise).   Hard errors, which corrupt bits in a repeatable manner because of a physical/hardware defect or an environmental problem. Hard error can also occur if DIMM is not seated properly.    All memory systems in use in servers today are protected by error detection and   correction codes. These server machines employ error correcting codes (ECC), which allows the detection and correction of one or m

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Neel Kotak
Nutanix Employee
2 years ago

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