Scott Robbins wrote:
I tried to run pre upgrade today and got an error message that my /boot
partition was too small. The message that it could download the file
during installation if I had an ethernet connection.
Rather than go through the whole thing, I stopped it and began to google
and to bugzilla, if there is such a word.
The impression I am getting is that it will eventually fail if the /boot
partition is too small. My /boot partition is about 100 MB or so. I
removed all older kernels and left the minimum in there. However, more
googling indicated the image it will need is actually over 100 MB.
So, I am not sure if it would eventually fail or not if I try to go the
preupgrade route. This was from an F10 install, which probably had a
default /boot of 100, but I could be wrong about that, I'm not sure if I
manually did the partitioning or not.
If that is correct, I wonder if it would better to have a more emphatic
message--the message was a bit ambiguous to me, not really stating if it
would fail later, even if the image is downloaded, if the /boot
partition is too small.
I only gave it about 5 minutes on google, so stopped after the first few
hits, many of which were older, so I'm not sure if this is still the
case or not.
Thanks for any clarification.
The issue may be not that /boot is too small, but that you're using
/ (the root filesystem) for everything _including_ /boot. In that
case, yup, you're going to run out of space PDQ (pretty damned quick).
On my laptop, for instance:
[rick@golem3 ~]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
76G 41G 31G 58% /
/dev/sda3 92M 30M 58M 34% /boot
tmpfs 1002M 76K 1002M 1% /dev/shm
Note that /boot and / are separate partitions, /boot is only 92MB
and that it's still 56% empty.
You can have /boot as part of the root filesystem if you want, but
you'll have to make sure the root filesystem is a type grub groks (and
that's ext2 or ext3 only at this time). It can't be on an LVM volume
(as mine is) or be on something esoteric like a software RAID or XFS
filesystem, since the kernel has to be running to access those.
Remember that /boot only has to have enough space to hold the grub
loader stage 1.5 and stage 2 loaders, the grub.conf file, the kernel(s)
you plan to boot and their accompanying initrd images. That's it. /
(the root filesystem) has to have enough space to hold the kernel's
modules, system libraries and the stuff in /etc, /sbin and /bin.
So, take a careful look at the partition table again.
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