[rhelv6-list] new kernel is installed but grub was not updated properly

[Werner Maes]

It works If I use

ln -s /dev/sda1 /dev/root

in /etc/fstab:
UUID=f3b29a10-aed7-47d1-8410-5a2c3c2f4be4 /                       ext4    defaults        1 1
Why does the harddisk UUID appear in  fstab?

Kind regards

Werner Maes

-----Original Message-----
From: rhelv6-list-bounces at redhat.com [mailto:rhelv6-list-bounces at redhat.com] On Behalf Of Werner Maes
Sent: donderdag 6 januari 2011 9:50
To: 'rhelv6-list at redhat.com'
Subject: Re: [rhelv6-list] new kernel is installed but grub was not updated properly

awk '{ if ($2 == "/") print $1; }' /etc/fstab in kickstart postinstall returns UUID=7a645002-36c7-4e39-bc32-c7051beda688

with

ls -l /dev/disk/by-uuid
lrwxrwxrwx 1 root root 10 Jan  5 12:35 7a645002-36c7-4e39-bc32-c7051beda688 -> ../../sda1

if I use  "  ln -s `awk '{ if ($2 == "/") print $1; }' /etc/fstab` /dev/root", it still does not work.

What am I doing wrong?

Werner

-----Original Message-----
From: rhelv6-list-bounces at redhat.com [mailto:rhelv6-list-bounces at redhat.com] On Behalf Of GOLLSCHEWSKY, Tim
Sent: dinsdag 4 januari 2011 11:59
To: 'Jack Neely'; 'rhelv6-list at redhat.com'
Subject: Re: [rhelv6-list] new kernel is installed but grub was not updated properly

> >
> > Indeed. This is an anaconda bug and there is a bugzilla for it:
> >
> >   https://bugzilla.redhat.com/show_bug.cgi?id=657257
> >
>
> I filed
>
>     https://bugzilla.redhat.com/show_bug.cgi?id=625216
>
> during the RHEL 6 beta.  Grubby would segfault.  I think that these 
> issues may be related.  In any case, grubby was obviously changed...as 
> it now doesn't segfault.  But it looks like no one tested it from a 
> %post.
>
> I could really, really use a fix here.

There is a workaround mentioned in bug 657257 which worked for me.

Put this in your postinstall before the yum update:

  ln -s `awk '{ if ($2 == "/") print $1; }' /etc/fstab` /dev/root

Regards.

Tim.

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