3 ms·
I wonder if there is some tuning that needs to be done here, it seems suprising that the advertised rate would be this much off otherwise.
by zokier 3y ago
I wonder if there is some tuning that needs to be done here, it seems suprising that the advertised rate would be this much off otherwise.
- jeffbee 3y agoI would start with the LBA format, which is likely to be suboptimal for compatibility.
- zokier 3y agosomehow I4g drives don't like to get formatted # nvme format /dev/nvme1 -n1 -f NVMe status: INVALID_OPCODE: The associated command opcode field is not valid(0x2001) # nvme id-ctrl /dev/nvme1 | grep oacs oacs : 0 but the LBA format indeed is sus: LBA Format 0 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative Performance: 0 Best (in use)
- jeffbee 3y agoIt's a shame. The recent "datacenter nvme" standards involving fb, goog, et al mandate 4K LBA support.
- zokier 3y agoit'd be great if you'd manage to throw together quick blogpost about i4g io perf, there obviously something funny going on and I imagine you guys could figure it out much easier than anybody else, especially if you are already having some figures in the marketing.