Questions tagged [ecc]
Error Correcting Code (ECC memory) is used in most computers where data corruption cannot be tolerated under any circumstances.
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Does DDR5 on-die ECC report/count fixed errors?
Simple question.
Full ECC reports count of corrected and uncorrected errors to operating system, these are easy to see.
DDR5 now provides new ODECC (on-die ECC) error correction that is internal to ...
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What’s different between PC-5300E, PC-5300F and PC-5300P memory RAM?
I recently found out that there are many types of memory on PC servers. I see there is RAM memory that says PC-5300E, PC-5300F, PC-5300P, and there is also buffered and fully buffered memory. What ...
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Adfs ECC certificate-based authentication
Is it possible to use client authentication with ECC certification?
Our ADFS szervers (Win server 2016 with .net 4.7.1) is always throw a key algorithm not supported exception: System....
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MCE Errors but no edac-util errors?
I have an older HP Z440 tower with 4x8GB ECC DDR4, running Proxmox VE 6.4.
Recently, it started showing MCE errors every few seconds. I installed rasdaemon and can see that they are memory read errors....
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ECC DDR5: EC8 (80-bit) vs EC4 (72-bit) data integrity capabilities?
I have been looking info about ECC on DDR5 DIMMs (full ECC, non on-die ECC) and I have seen that there are two different types:
EC4, which uses 4 ECC bits per subchannel, for a total of 72 bits width
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Memory errors in dmesg, do I need to replace a DIMM?
The following errors show up in dmesg 10-20 times per day:
MCA: Bank 5, Status 0x8c00004000010092
MCA: Global Cap 0x0000000001000c10, Status 0x0000000000000000
MCA: Vendor "GenuineIntel", ID ...
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Will 'Desktop' RAM work in a Rack Server?
I am very new to Rack servers and am exploring options for RAM.
I am looking at the Dell PowerEdge R710 I have found this PDF which explains memory requirements. It however does not mention ECC, ...
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Memory module error affected OS performance
One day, one of the memory modules started producing correctable memory errors.
Then, the operating system began to slow down, and the Oracle database stopped working correctly.
Also, I don't use ...
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ecc - why does edac-ctl need drivers while edac-util does not?
My AMD Ryzen Linux system has ECC memory that purposely bought.
edac-util shows I have ecc, if I am reading correctly:
mc0: 0 Uncorrected Errors with no DIMM info
mc0: 0 Corrected Errors with no DIMM ...
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How to test RAM if memtest86 freezes?
I suspect some faulty RAM and wanted to test it with Memtest86. I'm using a bootable Ubuntu 20.04 USB stick and choose the "Memtest" option from the boot menu.
Unfortunately the test freezes ...
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Do modern NVMes correct and reallocate bad data at the hardware level?
I'm planning on getting an NVMe for use to contain a swapfile to extend the RAM of my Linux system. Yes, I know this is a bad choice due to the finite number of writes an NVMe has in its lifetime, but ...
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SAS/RAID controller non-ecc ram
I have Adaptec 51245 controller (I know it is old but I got it for free) that I use in my server.
As far as I know it is highly recommended to use ECC RAM as system memory, but what about RAID ...
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CL latency of unbuffered and registered RAM
So AFAIK, registered ram generally has a bit higher latency as going through the registers adds (usually one?) cycle.
If I have two dimms of ecc ram, one registered and one unbuffered, and both say ...
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Memory controller or ECC errors on Xeon server. How to interpret the syslog entries?
I just got an alert from one of my servers, running FreeBSD 11.2 on a Xeon E5-1620 v4 with ECC. Its the first time I've seen an error like this, and there's a lot of detail. But it's also a one-off ...
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ECC Registered Ram: Mixing Identical Kits
So I know that identical RAM from different sets / kits may cause system instability. I'm talking about RAM with identical brand & serial numbers but with a different batch number (usually a 4 ...
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