[prev in list] [next in list] [prev in thread] [next in thread] 

List:       grub-help
Subject:    Re: Grub2 "unknown filesystem"
From:       Avi Deitcher <avi () deitcher ! net>
Date:       2015-11-30 18:10:03
Message-ID: CAF1vpkiUnDJ_B0nmWEEcBwwx5HGDQmBn5RjMuD_PvPYQv53TUQ () mail ! gmail ! com
[Download RAW message or body]

[Attachment #2 (multipart/alternative)]


Yeah, I figured it out. It wasn't that; it was an erroneous fstab entry
(wrong UUID from old /boot).

On Mon, Nov 30, 2015 at 8:07 PM, Andrei Borzenkov <arvidjaar@gmail.com>
wrote:

> 30.11.2015 20:44, Avi Deitcher пишет:
> > Well, you were right. Rod Smith of rodsbooks.com suggested the same
> thing
> > in an email.
> >
> > 1- I moved some data from two larger partitions in the first 2TB onto
> other
> > data partitions later in the disk.
> > 2- I rebuilt the CentOS 6.6 /boot in a new 1GB partition in the first 2TB
> > 3- I rebooted into grub2 command-line, lo and behold, it sees the
> > filesystem.
> >
> > Thank you, Andrei.
> >
> > Now, if only I could figure out why os-prober will not create menu
> entries
> > for that /boot....
> >
>
> os-prober first needs to detect root of another OS. I understand that
> you have LVM install - unless VG for another OS is active, os-prober
> won't see it. It does not activate volumes itself.
>



-- 
Avi Deitcher
avi@deitcher.net
Follow me http://twitter.com/avideitcher
Read me http://blog.atomicinc.com

[Attachment #5 (text/html)]

<div dir="ltr">Yeah, I figured it out. It wasn&#39;t that; it was an erroneous fstab \
entry (wrong UUID from old /boot).</div><div class="gmail_extra"><br><div \
class="gmail_quote">On Mon, Nov 30, 2015 at 8:07 PM, Andrei Borzenkov <span \
dir="ltr">&lt;<a href="mailto:arvidjaar@gmail.com" \
target="_blank">arvidjaar@gmail.com</a>&gt;</span> wrote:<br><blockquote \
class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc \
solid;padding-left:1ex">30.11.2015 20:44, Avi Deitcher пишет:<br> <span \
class="">&gt; Well, you were right. Rod Smith of <a href="http://rodsbooks.com" \
rel="noreferrer" target="_blank">rodsbooks.com</a> suggested the same thing<br> &gt; \
in an email.<br> &gt;<br>
&gt; 1- I moved some data from two larger partitions in the first 2TB onto other<br>
&gt; data partitions later in the disk.<br>
&gt; 2- I rebuilt the CentOS 6.6 /boot in a new 1GB partition in the first 2TB<br>
&gt; 3- I rebooted into grub2 command-line, lo and behold, it sees the<br>
&gt; filesystem.<br>
&gt;<br>
&gt; Thank you, Andrei.<br>
&gt;<br>
&gt; Now, if only I could figure out why os-prober will not create menu entries<br>
&gt; for that /boot....<br>
&gt;<br>
<br>
</span>os-prober first needs to detect root of another OS. I understand that<br>
you have LVM install - unless VG for another OS is active, os-prober<br>
won&#39;t see it. It does not activate volumes itself.<br>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div \
class="gmail_signature"><div dir="ltr"><div>Avi Deitcher<br><a \
href="mailto:avi@deitcher.net" target="_blank">avi@deitcher.net</a></div><div>Follow \
me <a href="http://twitter.com/avideitcher" \
target="_blank">http://twitter.com/avideitcher</a></div><div>Read me <a \
href="http://blog.atomicinc.com" \
target="_blank">http://blog.atomicinc.com</a></div></div></div> </div>



_______________________________________________
Help-grub mailing list
Help-grub@gnu.org
https://lists.gnu.org/mailman/listinfo/help-grub


[prev in list] [next in list] [prev in thread] [next in thread]