[CentOS] [Newbie] Reclaiming /boot space

Tue Mar 8 23:08:56 UTC 2011
Simon Matter <simon.matter at invoca.ch>

> When trying to do a yum update, I am told I need more space in
> /boot.  When I check the contents of /boot (ls -l /boot), there
> are no files.

Hm, that's not good.

>
> If I do a df -h, there is no available space yet it shows that it
> has a lot of used space.

Is /boot mounted? Please show as the output of 'mount'.

>
> The fstab shows the following:
>
> # This file is edited by fstab-sync - see 'man fstab-sync' for
> details
> /dev/VolGroup00/LogVol00 /                       ext3
> defaults        1 1
> LABEL=/boot             /boot                   ext3
> defaults        1 2
> none                    /dev/pts                devpts
> gid=5,mode=620  0 0
> none                    /dev/shm                tmpfs
> defaults        0 0
> none                    /proc                   proc
> defaults        0 0
> none                    /sys                    sysfs
> defaults        0 0
> /dev/VolGroup00/LogVol01 swap                    swap
> defaults        0 0
> /dev/hda                /media/cdrom            auto
> pamconsole,exec,noauto,managed 0 0
>
> # fschk.ext3 /boot gives this error:

First, to check the filesystem you have to unmount it. And then to check,
you usually give the device name, not it's label (I'm not sure it work by
naming with the label). Usually something like

fsck.ext3 /dev/sda1

Simon

>
> The superblock could not be read or does not describe a correct ext2
> filesystem.  If the device is valid and it really contains an ext2
> filesystem (and not swap or ufs or something else), then the
> superblock
> is corrupt, and you might try running e2fsck with an alternate
> superblock:
>      e2fsck -b 8193 <device>
>
> I am not sure what I should do next.
>
> Thank you in advance for any suggestions...
>
> Todd
>
> --
> Ariste Software
> Petaluma, CA 94952
>
> http://www.aristesoftware.com
>
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