Kristal Dale ebc686a137 Add NVMe info to R2 and R3 install guides
- Add NVMe config info (same as R1) as common info for R2 and R3
- Clarify example command to add OSD for ceph (to clarify command is example,
  drive may be different for user depending on setup)

Closes-Bug: 1853639

Change-Id: I9250842c9a0739016054746dce45b1f17d46172f
Signed-off-by: Kristal Dale <kristal.dale@intel.com>
2019-11-22 15:19:24 -08:00

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Configure NVMe Drive as Primary Disk
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To use a :abbr:`Non-Volatile Memory Express (NVMe)` drive as the primary disk for
any of your nodes, you must configure your host and adjust kernel parameters
during installation:
#. Configure the host to be in UEFI mode.
#. Edit the kernel boot parameter.
After you are presented with the StarlingX ISO boot options and have selected
the preferred installation option (for example Standard Configuration or
All-in-One Controller Configuration), press the TAB key to edit the kernel
boot parameters.
Modify the **boot_device** and **rootfs_device** from the default **sda** so
that it is the correct device name for the NVMe drive (for example "nvme0n1").
::
vmlinuz rootwait console=tty0 inst.text inst.stage2=hd:LABEL=oe_iso_boot
inst.ks=hd:LABEL=oe_iso_boot:/smallsystem_ks.cfg boot_device=nvme0n1
rootfs_device=nvme0n1 biosdevname=0 usbcore.autosuspend=-1 inst.gpt
security_profile=standard user_namespace.enable=1 initrd=initrd.img