Error-correcting code, as in a type of memory that can correct single-bit errors. ECC memory is typically found on servers and workstations, where maximum reliability is required.

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400 views

Does software (similar to DVDisaster) exist which can create images and parity at the same time?

DVDisaster is an awesome tool for archiving things reliably, as it creates ECC in case of physical damage to the media. However, when using it for backup purposes it can be a bit awkward -- one must ...
0
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1answer
35 views

How is it possible that WinRar can repair any volume with any single one of .rev files?

There is already a similar question(and 2 solid answers), but mine is a little bit different. Suppose you create a 5-volume archive + 3 recovery volumes(.rev files). This is supposed to reconstruct ...
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1answer
513 views

Specific board/module ECC Ram compatibility

I purchased a bunch of hardware for two different file servers. Previously I had never bought any server equipment, and therefore had not known that motherboards accept only certain types of ECC Ram. ...
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1answer
502 views

GA-H170N-WIFI motherboard compatible memory

I bought GA-H170N-WIFI and since it can handle 32GB of DDR4 I want to buy two 16GB modules but can't find them. I found some cheap 16GB modules selling at my location but they are marked Buffered (or ...
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0answers
442 views

get x and y components of ec public key using openssl

I am generating a KeyPair for ECC from curve 'secp128r1' using openssl Steps I followed : first I generated a private key using the command openssl ecparam -genkey -name secp128r1 -noout -out ...
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0answers
107 views

What is more likely? storage bit rot (e.g.URE) or ram memory bit rot?

The background to the question is that on most computersystems data can corrupted at several places. The questions asks about the relative problems connceted with two places of such data-rot/data-...
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0answers
32 views

How to find out reason for mce and nmi faults?

I have a server on Supermicro SuperServer 6016T-6F. 2xIntel Xeon e5520 Ubuntu 14.04.2 LTS (GNU/Linux 3.13.0-49-generic x86_64) Last time errors ocurred intermittantly - server hangs. Memetest86 is ...
0
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0answers
356 views

L3 data cache ECC error

I happened to have a terminal window open in Linux (Debian) and, as I was browsing the web, I heard a beep so I looked to see what happened and I found the following message in the terminal window: ...
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0answers
38 views

Theoretical behaviour of RAM if single read/write error

The topic is not a broken RAM. A good RAM can also have occasionally errors when reading/writing; non-ECC RAMs more than ECC RAMs, but errors are possible with both types. My question is, when ...
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0answers
772 views

ECC on harddisks

I have completely re-written my post here as I noticed I was a bit unclear before. In an older post the user sawdust explained very well that there is an SRAM buffer on the HDD controller which uses ...