On 20 February 2016 at 17:14, Michael van Elst <mlel...@serpens.de> wrote: > andrew.cag...@gmail.com (Andrew Cagney) writes: > >>so I simply added root=sd0a to /boot/boot.ini's boot line. That resulted in: > [...] >>use one of: awge0 ld0[a-p] ddb halt reboot > >>Should this have worked? > > Apparently not, as there is no sd0a boot device. > > >>However, I get the feeling that there's more going on. For instance, >>just adding an entry to /etc/fstab to mount of /dev/sd0a on /mnt fails >>during boot (fsck can't access /dev/rsd0a during the boot). Yet once >>the system is booted it works fine. > > The USB disk is probably starting too slowly to be recognized at this > point. There needs to be some kind of spin-up delay in the kernel to > handle this situation.
Ah. Is there any existing kernel event that would indicate a disk device has come on line? Andrew