I need a cost effective solution for a 40Gbps connection.
I have an all-flash NVMe storage server that is being heavily used 0-24 by 4 other servers (each has Mellanox CX312A 10GBe Dual Port ConnectX-3 NIC)
I was thinking about getting a Mikrotik CRS326-24S+2Q+RM. It has two 40G QSFP+...
alright, I tested it in the Asrock and a H11SSL as well. Both work fine with the CPUs I pulled from the H11DSi, however initially the H11SSL did not detect 1TB ram as well but it worked fine with 8x 64GB sticks.
I pulled the EPYC 7551 from the Asrock board and the EPYC 7551 from the H11SSL and...
I tried with 128GB modules I have in Asrock ROME8D-2T. It is a single socket board and I have 8x 128GB in that. The EPYC 7551 detects them in that board without issue (1TB total). When I put the same EPYC 7551 and the same 8x 128GB sticks in the H11DSi it only detected 4. It does the same with...
I pulled an Epyc 7551 (same CPU) from the Asrock Rack board and tested in single CPU mode with 8x 64GB Hynx modules
STILL THE SAME, C, D, G, H detected.
Previously this CPU detected 8x 128GB Hynix without issues in the Asrock board
I will now switch the two Epyc 7551 in this board and test. Maybe they are not seated well still? As after reseating the detected DIMMs changed from C, D, G to C, D, G, H in P1 and from C, D, G to just D, G in P2.
After that I think I should remove the same Epyc 7551 from one of my Asrock Rack...
alright, it only detected the same four DIMMs with the 64GB Hynix sticks as with the 128GB Hynix sticks...
so now it's either the CPU or motherboard then...
Before I reseated the CPUs, the following 128GB DIMMs were detected out of 16:
it was the same four as in my previous screenshot when I tested with both CPUs: C, D, G, H detected, A, B, E, F not detected.
Earlier it was C, D and G though on both CPUs
I will test it now with 1 CPU and 8x 64GB Hynix ECC 2666.
Next I will try what you suggested.
no issues in the eventlog. I tested all modules in an Asrock Rack board, no issues, I think the sticks are fine.
I tried testing it with a few sticks but it won't boot unless at least the P1-DIMMC1 is populated.
Maybe because according to the table we should always begin with C1?
I haven't tried reseating the CPUs yet. Thanks for the tip, I will try this.
I have tried reseating the modules however. Mixed them, installed only a few of them, etc.
I also have 8 Hynix 64GB LRDIMM modules, maybe it is worth a try to see if those are detected properly before reseating the...
I can confirm Epyc 7001 series can handle 2S4R 128GB modules.I tested the DIMMs in an Asrock Rack ROMED8-2T with the same CPU and it handles 8x Hynix 2S4Rx4 128GB 2666 LRDIMM modules without issue (1TB).So it's the Supermicro motherboard, maybe due to it being rev1.0.
I will now test this in a...