> > Consequently we're thinking of the following replacement servers: > > postgres 11 (planned) > supermicro 113TQ-R700W > LSI MegaRAID 9271-8i SAS/SATA RAID Controller, 1Gb DDR3 Cache (PCIE- Gen 3) > 500gb raid 1 / > 2tb raid 10 /db > with "zero maintenance flash cache protection" > 256GB RAM (2666MHz DDR4) > 2x E5-2680 v4 Intel Xeon, 14 Cores, 2.40GHz, 35M Cache, > > This configuration gives us lots more storage, double the RAM (with 8 > slots free) and just under 4x CPU (according to passmark) with lots more > cores. > > We're hoping to get two to three years of service out of this upgrade, > but then will split the cluster between servers if demand grows more > than we anticipate. > > Any comments on this upgrade, strategy or the "zero maintenance" thingy > (instead of a BBU) would be much appreciated. > > Rory > Hi Rory, Is there a reason not to consider an all flash solution? The AMD EPYC processor series supports enough NVMe channels to support your sizing. The 7401P single processor is a good value proposition. Regards, Ken