Re: 100% disk space on boot is in use?

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On Thu, Jun 29, 2006 at 06:33:02PM +0300, Heikki Pesonen wrote:
> My firs attempt to install Linux to my computer failed totally. After
> it I had to reinstall all. The first Linux was Fedora core 3 or 4.
> After trying other distros I recently installed Fedora Core 5 which I
> like very much. It's slick (very fast) and looks nice.
> But every time I start Fedora a message appears: "100% disk space on
> boot is in use". Does that be a problem in the future?
> Recently I have three hard disks on my computer as you can see:


> 
> Disk /dev/hdb: 160.0 GB, 160041885696 bytes
> 255 heads, 63 sectors/track, 19457 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> 
>   Device Boot      Start         End      Blocks   Id  System
> /dev/hdb1   *           1          13      104391   83  Linux
> /dev/hdb2              14       19457   156183930   8e  Linux LVM
> 

I conclude from your fdisk output that your /boot partition is
hdb1. It looks like it should be big enough. In fact it's the same
size as mine, 114MB.

I have three kernels installed on my desktop and they occupy all of
13MB. Here's a complete list of it:

[root@charlesc images]# ll /boot/ -tr
total 10289
drwx------  2 root root   12288 Dec 21  2005 lost+found
-rw-r--r--  1 root root   94600 Feb  8 08:39 memtest86+-1.65
-rw-r--r--  1 root root 1510257 Mar 14 14:01 vmlinuz-2.6.15-1.2054_FC5
-rw-r--r--  1 root root  811765 Mar 14 14:01 System.map-2.6.15-1.2054_FC5
-rw-r--r--  1 root root   63896 Mar 14 14:01 config-2.6.15-1.2054_FC5
-rw-r--r--  1 root root 1059212 Apr 23 07:28 initrd-2.6.15-1.2054_FC5.img
-rw-r--r--  1 root root 1509474 May 21 13:13 vmlinuz-2.6.16-1.2122_FC5
-rw-r--r--  1 root root  810738 May 21 13:13 System.map-2.6.16-1.2122_FC5
-rw-r--r--  1 root root   64573 May 21 13:13 config-2.6.16-1.2122_FC5
-rw-r--r--  1 root root 1059185 May 30 18:03 initrd-2.6.16-1.2122_FC5.img
-rw-r--r--  1 root root 1519016 Jun  5 23:44 vmlinuz-2.6.16-1.2133_FC5
-rw-r--r--  1 root root  810738 Jun  5 23:44 System.map-2.6.16-1.2133_FC5
-rw-r--r--  1 root root   64562 Jun  5 23:44 config-2.6.16-1.2133_FC5
-rw-r--r--  1 root root 1063866 Jun 13 14:04 initrd-2.6.16-1.2133_FC5.img
drwxr-xr-x  2 root root    1024 Jun 20 11:50 grub
drwxr-xr-x  4 root root    1024 Jun 20 11:50 .
drwxr-xr-x 25 root root    4096 Jun 23 16:52 ..

You should go through your /boot/grub/grub.conf, compare it to your
/boot, and eliminate anything that grub doesn't need (/boot/grub) or
call out in one stanza or another. Do not, however, remove lost+found;
fsck requires it. Grub does not call out the System.map directly, but
I'd leave it in for any kernel you keep. Just in case.

Just to be careful, first make a boot CD. Then see what went onto the
boot CD. Then eliminate by copying elsewhere rather than deleting.

If that doesn't solve your problem, boot to a live CD system (I use
finnix), and fsck all your Linux partitions.


> 
> 
> Is it possible to repartition hdb in Fedora so that I could install an
> other distro also to hdb?

Yes. Use your LVM tools (again, I use finnix for this) to carve up
your LVM stuff. Several different Linuxes can share /boot, as long as
file names don't collide.

You will have to manually merge all the different grub.confs as you
install them. Perhaps someone has a script to do this handy?

You can also share /home if it is on its own logical partition, but
that could be dangerous due to version issues between the different
distributions.

-- 

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