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? -- alan dot mckinnon at gmail dot com
