John, > Sorry for the wait; it took a while for the user to respond. They > don't have scsi devs but rather nvme devs. The sg_vpd command failed > b/c there was no bl page available. I asked them to provide the > supported vpd pages that are there. I do have some nvme data though > from a sosreport. I'll send you that in a separate email. The device vendor should be fixing their firmware to report a suitable set of DMRL/DMRSL/DMSL values which align with the expected performance of the device. -- Martin K. Petersen Oracle Linux Engineering