The use case is for KVM RBD volumes.
Our enviroment will be 80% random reads/writes probably 40/60 or 30/70 is a
good estimate. All 4k-8k IO sizes. We currently run on a Nimble Hybrid array
which runs in the 5k-15k IOPS range with some spikes up to 20-25k IOPS (Capable
of 100k iops per Nimb
vitalifï¼ yourcmc.ru wrote:
> I think 800 GB NVMe per 2 SSDs is an overkill. 1 OSD usually only
> requires 30 GB block.db, so 400 GB per an OSD is a lot. On the other
> hand, does 7300 have twice the iops of 5300? In fact, I'm not sure if a
> 7300 + 5300 OSD will perform better than just a 5300 OS
