Hi Alan, Alan McKinnon wrote:
> Apparently, though unproven, at 21:36 on Monday 03 January 2011, Jörg > Schaible did opine thusly: > >> Nikos Chantziaras wrote: >> > On 01/03/2011 07:43 PM, Jörg Schaible wrote: >> >> Hi, >> >> >> >> starting with the 2.6.36-r5 kernel of the Gentoo sources my boot >> >> device changes. With 2.6.35 and below it is alway /dev/sda3, with the >> >> new kernel it seems that anything that is internally connected with >> >> USB is assigned a device first. Since my computer has an internal >> >> media bay (and my monitor has such a thing also) the first HD moves - >> >> it I take care it is now /dev/sde3. However, if I forget to switch on >> >> the monitor and do this later or if an USB stick is already plugged in >> >> at boot time, the HD gets a different device number again. >> >> >> >> Can somebody else confirm such a behaviour with the 2.6.36 kernel and >> >> how can this brought back to normal operation? >> > >> > This has been solved long ago: Label your filesystems and mount them by >> > label. >> >> I did this long ago, therefore I can switch between the old and new >> kernel easily. >> >> > For example, don't put "/dev/sda3" in your fstab, but label that >> > filesystem with a name like "root_fs" and use >> > "/dev/disk/by-label/root_fs" in fstab. >> > >> > Ext2/3/4 filesystem can be labeled with the "e2label" tool. For >> > example: >> > e2label /dev/sda3 root_fs >> > >> > After that, modify your fstab accordingly. >> >> And how does this help the kernel to find the root device where >> /etc/fstab is located ? > > Does > > boot=LABEL=<boot_device_label> > > in grub config work for you? I hoped so, but actually no. Grub complains at boot time not finding the root device. Is this available in the grub-0.97 series at all? - Jörg
