On Saturday, 5 June 2021 08:32:47 BST Neil Bothwick wrote: > On Fri, 4 Jun 2021 22:10:10 -0400, Walter Dnes wrote: > > > I always boot system rescue and dd the entries drive to somewhere > > > safe. That way I restore the original setup in the case of a warranty > > > claim - unless the failure is that bad that I can't boot or access > > > the disk. > > > > > a) The drive is one terabyte in size. > > Most of is empty, the drives always compress to a lot less. > > > b) Yes, Mr. Dell Support, I bought the machine 6 months ago and I've > > > > been websurfing, Youtubing, etc ever since. And Windows Home has not > > forced an update all that time. > > That would be difficult but no evidence of any evil doing, such as > installing Linux. However, I'm more concerned about an earlier failure, > if it lasts six months it should last six years.
Back to the original question: I've not had a Dell with this option yet, but I understand Dell uses RAID with NVMe drives because it allows Intel RST drivers to work with most/all NVMe drives. I'm not sure if any of the Dell onboard software to restore the Win10 OS also depend on this. Once you initialize the OS I think you won't be able to run it in a different mode. http://forum.notebookreview.com/threads/why-does-dell-set-the-bios-to-raid-always.832016/ However, I've seen it mentioned in various places Linux will not be able to see the drive if RAID is selected - I don't know if this is still the case. https://www.dell.com/community/XPS/Pros-Cons-AHCI-vs-Raid-On-XPS13-9300-NVMe/ td-p/7636984
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