[Techtalk] grub rescue partition issue

[A. Mani]

On Sun, Sep 20, 2015 at 3:19 PM, SVAKSHA <svaksha at gmail.com> wrote:
> Using a live cd, I can only see these two partitions exist: /dev/sda2
> and the lvm partition is /dev/sda5 but I am not sure where the data
> is. How do I figure out the right partition from where I can retrieve
> my data, as much as possible, then reinstall the OS if I cannot
> reinstall grub to boot the desktop?
>

if you can boot from a live cd, then you should be able to mount them.

what is your problem?

 lvm vgscan -v
 lvm vgchange -a y
 lvm lvs –all
 mount /dev/volumegroup/logicalvolume /abc



> https://www.howtoforge.com/tutorial/repair-linux-boot-with-grub-rescue/#basic-commands-available,
> says one should set the prefix according to your own drive name, so
> should it be `set prefix=(hd0,5)/grub` or something else?

set prefix=(hd0,5)/boot/grub

set the root etc

insmod normal

etc


If your system is reasonably fine then you should be able to boot from
grub rescue mode.


Best

A. Mani



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