Terry, thank you for the write up! Really good advice - My colleague and I were about to head to the datacenter to attempt this Sunday evening when we made the quick call to swap out the host server with different generation instead of the same model. Bingo! The R620 for whatever reason does not...
Updated: Purchased a MegaRAID SAS 9380-8e, according to SuperMicro's supported controller. Same performance, same speeds, same problems. So throwing money this isn't working (Another grand thrown down the tubes).
So I have the right controller, the right drives, right enclosure and still same...
interesting enough, I have 3 DataOn JBOD enclosures. Much more expensive over the SuperMicro, but they have no problem with the H830. If there was a problem with the JBOD, wouldn't the controller bark about it? It serves up the drives and has no complaints with our other configurations... This...
I'm going crazy over here troubleshooting a performance issue that I can't seem to iron out. Wondering if I am overlooking something simple.
Configurations:
Hard Drive: 24x SAS Seagate 12gbps connected, 7.2k 10TB Hard Drives – Model: ST10000NM0096 (revision: E001)
HBA: Dell Perc H830 –...
This is extremely unnerving. Why they would work with some and some others really makes me nervous to use this in any production. I just ordered 10x CU3M cables, in which seems will be another gamble with above's report. I have an in with UBNT and going to reach out to see if there is anything...
I won't sell this switch until it works with DAC cables. It's completely useless in the real world and no production can stand on "maybe it will work in the future".
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I wouldn't consider that working then... if it's working by connecting the switches, there is a great chance it will stop working under load, configuration changes, etc. I had a few non working cables connect like this, but then stop out of nowhere. Frustrating....
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Actually I just had this issue last week on a dell r710. I was installing over impi. Same issue using virtual media & burning iso to CD-R. Not sure what is fix but was a show stopper for me too.
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