This is a system that was upgraded from F15 to F16 via Yum, how can I do:
1) confirm which version of grub was used to boot the system
2) re-install the boot record (MBR?) for the version of grub I'm running
onto a replacement drive?
Thanks, Jeff
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02-23-2012, 05:51 PM
Scott Doty
Grub? Grub2?
On 02/23/2012 10:26 AM, Jeffrey Ross wrote:
This is a system that was upgraded from F15 to F16 via Yum, how can I do:
1) confirm which version of grub was used to boot the system
# file - < /dev/sda
The dash is important -- tells file(1) to read from stdin. Example:
2) re-install the boot record (MBR?) for the version of grub I'm running
onto a replacement drive?
Take a look at grub2-install or grub-install, depending on what you have
installed.
-Scott
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02-23-2012, 07:14 PM
"Jeffrey Ross"
Grub? Grub2?
> On 02/23/2012 10:26 AM, Jeffrey Ross wrote:
>> This is a system that was upgraded from F15 to F16 via Yum, how can I
>> do:
>>
>> 1) confirm which version of grub was used to boot the system
>
> # file - < /dev/sda
>
> The dash is important -- tells file(1) to read from stdin. Example:
>
> _[/root]_(root@atom)_
> # file - < /dev/sda
> /dev/stdin: x86 boot sector; GRand Unified Bootloader, stage1 version
> 0x3, boot drive 0x80, 1st sector stage2 0x138800, GRUB version 0.94;
> partition 1: ID=0x83, active, starthead 32, startsector 2048, 1572864
> sectors; partition 2: ID=0x82, starthead 8, startsector 1574912, 1048576
> sectors; partition 3: ID=0x83, starthead 77, startsector 2623488,
> 56002560 sectors, code offset 0x48
>
>> 2) re-install the boot record (MBR?) for the version of grub I'm running
>> onto a replacement drive?
>>
>>
>
> Take a look at grub2-install or grub-install, depending on what you have
> installed.
>
> -Scott
which means it was GRUB not GRUB2, and a reinstall should simply be
"grub-install /dev/sdX"
However the binaries for grub 0.94 are not installed on the system but
rather the binaries for grub2 (1.99) and yum doesn't seem to want to let
me install the older version of grub.
Last time I tried to upgrade I ran into problems so I'm hesitant to
upgrade to grub2
I think my problem was /boot and / are on raid 1 partitions, root is on a
raid partition with a superblock of 1.1, /boot is on a superblock of 0.90
I need to get grub reinstalled on /dev/sdb
Thanks, Jeff
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02-23-2012, 08:04 PM
"T.C. Hollingsworth"
Grub? Grub2?
On Thu, Feb 23, 2012 at 1:14 PM, Jeffrey Ross <jeff@bubble.org> wrote:
> Thanks... system responded:
>
<snip output>
>
> which means it was GRUB not GRUB2, and a reinstall should simply be
> "grub-install /dev/sdX"
>
> However the binaries for grub 0.94 are not installed on the system but
> rather the binaries for grub2 (1.99) and yum doesn't seem to want to let
> me install the older version of grub.
That's because grub2 obsoletes grub. You'll have to uninstall grub2
and manually install the GRUB1 RPM:
i686: http://download.fedoraproject.org/pub/fedora/linux/releases/16/Everything/i386/os/Packages/grub-0.97-84.fc16.i686.rpm
x86_64: http://download.fedoraproject.org/pub/fedora/linux/releases/16/Everything/x86_64/os/Packages/grub-0.97-84.fc16.x86_64.rpm
> Last time I tried to upgrade I ran into problems so I'm hesitant to
> upgrade to grub2
>
> I think my problem was /boot and / are on raid 1 partitions, root is on a
> raid partition with a superblock of 1.1, /boot is on a superblock of 0.90
>
> I need to get grub reinstalled on /dev/sdb
>
> Thanks, Jeff
-T.C.
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02-23-2012, 09:41 PM
Aaron Konstam
Grub? Grub2?
On Thu, 2012-02-23 at 10:51 -0800, Scott Doty wrote:
> On 02/23/2012 10:26 AM, Jeffrey Ross wrote:
> > This is a system that was upgraded from F15 to F16 via Yum, how can I do:
> >
> > 1) confirm which version of grub was used to boot the system
>
> # file - < /dev/sda
>
> The dash is important -- tells file(1) to read from stdin. Example:
>
> _[/root]_(root@atom)_
> # file - < /dev/sda
> /dev/stdin: x86 boot sector; GRand Unified Bootloader, stage1 version
> 0x3, boot drive 0x80, 1st sector stage2 0x138800, GRUB version 0.94;
> partition 1: ID=0x83, active, starthead 32, startsector 2048, 1572864
> sectors; partition 2: ID=0x82, starthead 8, startsector 1574912, 1048576
> sectors; partition 3: ID=0x83, starthead 77, startsector 2623488,
> 56002560 sectors, code offset 0x48
>
> > 2) re-install the boot record (MBR?) for the version of grub I'm running
> > onto a replacement drive?
> >
> >
>
> Take a look at grub2-install or grub-install, depending on what you have
> installed.
>
> -Scott
>
Now I wonder. When I run : file - < /dev/sda
The output dose not have the string: GRUB version 0.94
but in /boot/grub2 there is a grub.cfg and there is no grub.conf
in /boot/grub nor is there a grub-install.
So what am I to conclude about booting?
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Douglas
================================================== =====================
Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@sbcglobal.net
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02-23-2012, 10:01 PM
"T.C. Hollingsworth"
Grub? Grub2?
On Thu, Feb 23, 2012 at 3:41 PM, Aaron Konstam <akonstam@sbcglobal.net> wrote:
> Now I wonder. When I run : file - < /dev/sda
> The output dose not have the string: GRUB version 0.94
> but in /boot/grub2 there is a grub.cfg and there is no grub.conf
> in /boot/grub nor is there a grub-install.
>
> So what am I to conclude about booting?
Apparently, `file` doesn't recognize GRUB2 yet, as it outputs no
information about what sort of bootloader is installed. My system,
which I'm absolutely certain uses GRUB2 (it says so in the menu ;-),
says:
-T.C.
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Grub? Grub2?
