Questions tagged [ecc]

Abbreviation for Error-Correcting Code.

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1answer
59 views

How do I enable and verify ECC RAM scrubbing in Linux?

I bought my first system with ECC RAM and trying to learn about its possibilities when it comes to alerting and maintenance in Linux. To be specific, Debian Linux on a Super Micro H8SGL motherboard ...
3
votes
0answers
32 views

Mapping around ecc errors in Linux does not seem to work?

I get the following ecc error on a Linux box several times a day - May 24 18:21:04 staton-nas kernel: mce: [Hardware Error]: Machine check events logged May 24 18:21:04 staton-nas kernel: EDAC ...
0
votes
0answers
185 views

Remove ECC warnings in system log

How can I disable these warnings about ECC? I don't have ECC memory and so disabled it in bios also but it still prints it. [ 4.697057] EDAC amd64: Node 0: DRAM ECC disabled. [ 4.697061] EDAC ...
2
votes
0answers
63 views

software-level error detection and correction for raw storage

If I understand data storage correctly, all storage devices are unreliable to some extent, which is why most have hardware-level abstraction layers. Hard drives use error correction. If a sector is ...
4
votes
0answers
499 views

How to check flash memory for ECC errors from the Linux command line

Is there a way to check flash memory for ECC errors from the Linux command line? Note that I do not want to correct ECC errors. I just want to detect errors and list page addresses where they occur.
5
votes
2answers
2k views

How to get error detection and correction on a single hard drive on linux (with btrfs or other methods)

One of the cool things about btrfs on linux is that it can correct bit rot if it has redundant data because of its per-block checksumming. I can get redundant data by setting up a raid1 with two disks....
3
votes
2answers
8k views

Understanding “Hardware error from APEI Generic Hardware Error Source” error message

Summary: I'm trying to understand exactly what the following error message means: [17016.923750] {4}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 1 [17016.923758] {4}[...
12
votes
4answers
4k views

Is it possible to add error correction codes (BCH, RS or etc.) to a single file?

As far as I know, WinRAR archives may contain ECC (error correction codes), so if the archive is slightly damaged, then it can be fixed by itself. For example, I can first encode archives.tar to ...
19
votes
2answers
35k views

How to tell whether RAM ECC is working?

I'm planning on getting some ECC RAM to replace the non-ECC RAM I currently have installed on my Asus M5A97 Pro motherboard (AMD 970 chipset, FX-6100 CPU). After I install the RAM, how do I tell ...
17
votes
4answers
9k views

Is it possible to find the physical address range of a DIMM?

I note that SMBios Type 20 would help here, but it's optional as of version 2.5 (2006-09-05) pp. 25, L796, and pp. 131, whereas types 16, 17 and 19 are mandatory, but don't quite help. Physical ...
8
votes
1answer
5k views

“Northbridge Error (node 0): ECC Error in the Probe Filter directory”

I've received an e-mail from a user worried that the following errors on one of his servers is indicative of a serious problem. The trouble is, the errors below are all that I have to go on. I ...
1
vote
2answers
298 views

ECC on a single block device

I have an SSD that I suspect failing silently now and then. I have run badblocks on it and it is clear that it is not bad sectors but might instead be some race condition in the electronics, in which ...