On 02/14/2017 01:19 PM, Keith Busch wrote: > These devices are mulitpath capable, and have been able to stack with > dm-mpath since kernel 4.2. > > - str = STRDUP("^(ram|raw|loop|fd|md|dm-|sr|scd|st|dcssblk|nvme)[0-9]"); > + str = STRDUP("^(ram|raw|loop|fd|md|dm-|sr|scd|st|dcssblk)[0-9]"); Have you checked whether dm-mpath works properly with nvme? Last time I tried that dm-mpath crashed when it called scsi_dh_attach() because that last function assumes that it is passed a SCSI device queue instead of checking whether or not the queue passed to that function is a SCSI device queue. Bart. Western Digital Corporation (and its subsidiaries) E-mail Confidentiality Notice & Disclaimer: This e-mail and any files transmitted with it may contain confidential or legally privileged information of WDC and/or its affiliates, and are intended solely for the use of the individual or entity to which they are addressed. If you are not the intended recipient, any disclosure, copying, distribution or any action taken or omitted to be taken in reliance on it, is prohibited. If you have received this e-mail in error, please notify the sender immediately and delete the e-mail in its entirety from your system. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel