On Wed, Oct 11, 2017 at 7:01 PM, Stuart Henderson <s...@spacehopper.org> wrote: > On 2017-10-11, Rostislav Krasny <rosti....@gmail.com> wrote: >> On Wed, Oct 11, 2017 at 6:28 AM, Eric Furman <ericfur...@fastmail.net> wrote: >>> On Tue, Oct 10, 2017, at 04:29 PM, Rostislav Krasny wrote: >>>> I think it's worth to be supported. The RAID mode of storage >>>> controller seems to be a default BIOS configuration in all modern >>>> desktop computers. I think most desktop users don't configure any real >>>> RAID and continue to use their disks as separate devices. If at least >>>> this RAID configuration is supported it would be a great progress. >>> >>> I disagree, but that's just my opinion. >>> And just because something is "a default BIOS configuration in all >>> modern desktop computers" doesn't mean it's a good thing. >> >> Most desktop users don't change BIOS settings. They just try a >> software and if it doesn't work they usually throw it away and >> consider that software as bad or broken. In case of dual-boot they >> also depend on the previously installed OS. In case of already >> installed Windows changing the storage controller mode in BIOS from >> RAID to AHCI leads to BSoD. After all not supporting a common BIOS >> configuration leads to loss of users. >> >> What is not good in RAID mode without actual RAID array, except the >> fact OpenBSD doesn't run on it? > > What is not good is when you do have a RAID array, the controller is > in RAID mode, but OpenBSD doesn't understand the metadata, so it corrupts > data on the disk.
This is not the case. Can you identify RAID mode without RAID array and for now support only this? That could be a good compromise. > This is a difficult area. We don't want to corrupt data, but then some > BIOS don't allow this option to be changed at all, and on others BIOS > only offer a choice between IDE and (unsupported) RAID, even though > it's an AHCI controller. Yet another reason to support RAID mode without RAID array. > I don't think we (developers) are particularly bothered about users > who can't be bothered to change an existing BIOS setting. Even if they can it could be too late, as in my case with Windows. This is lose-lose situation. You just lose users and popularity.
