On Sat, Apr 17, 2010 at 10:32 AM, Mark Knecht <markkne...@gmail.com> wrote: > Hi, > I've never learned to do an initramfs as I've never used hardware > in a Linux box that required it. However now I find myself using mdadm > software-RAID and getting dinged on the linux-raid list when I ask > about things like the kernel autodetecting RAID drives at boot time as > the mdadm developers are firmly fixated on using initramfs and > auto-detecting nothing. Going with the flow I'm studying this Gentoo > Wiki link: > > http://en.gentoo-wiki.com/wiki/Initramfs > > and most specifically this portion on software RAID: > > http://en.gentoo-wiki.com/wiki/Initramfs#Software_RAID > > where the statement "But if you use an initramfs the kernel will not > automatically scan for RAIDs until it is told to." caught my > attention. Does anyone know if the word "not" in that statement is > absolutely true? I.e. - if I take a kernel that today finds a RAID1 / > drive and boots, that if I do nothing other than turn on that feature > in the kernel then the boot process is not going to assemble my RAID, > not find / and then fail to boot? > > Maybe I'm reading too much into that but I like that my system > boots and I don't think I want to do things that stop it from doing > so... ;-) > > That said, if it's true, does the "noinitrd" kernel parameter > override it and then RAID would work and the boot completes normally? > > Thanks, > Mark >
Empirically any way there doesn't seem to be a problem. I built the new kernel and it booted normally so I think I'm misinterpreting what was written in the Wiki or the Wiki is wrong. Now to try building the actual initramfs... Cheers, Mark
