Cc: Martin Wilck <[email protected]> Cc: Benjamin Marzinski <[email protected]> Cc: Christophe Varoqui <[email protected]> Cc: DM-DEVEL ML <[email protected]> Signed-off-by: Xose Vazquez Perez <[email protected]> --- README.nvme | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 README.nvme
diff --git a/README.nvme b/README.nvme new file mode 100644 index 00000000..70bf6b0d --- /dev/null +++ b/README.nvme @@ -0,0 +1,12 @@ +To use Device Mapper/multipath-tools with NVMe devices, +if the Native NVMe Multipath subsystem is enabled +( "Y" in /sys/module/nvme_core/parameters/multipath ), +it has to be disabled: + +echo "options nvme_core multipath=N" > /etc/modprobe.d/01-nvme_core-mp.conf +regenerate the initramfs (dracut -f or update-initramfs) and reboot. + +Check that it is disabled(N) with: +cat /sys/module/nvme_core/parameters/multipath +or +systool -m nvme_core -A multipath -- 2.35.1 -- dm-devel mailing list [email protected] https://listman.redhat.com/mailman/listinfo/dm-devel
