Fedora :: Finding Lost /boot Partition On F12 X86_64
Dec 8, 2009
During attempted repair of damaged USB stick with fdisk and parted, an error appears to have changed the partition holding the /boot partition. At one point I possibly typed sda1 instead of sdb1 and appear to have lost my /boot partition.
This is on a HP Compaq Presario CQ50 228CA Portable running only Fedora (No multiboot).
I am able to reach most of the programs and data on the machine with the rescue mode from the F12 x86_64 DVD, chroot /mnt/sysimage command - so the main part of the system is still available. But when the machine starts up all I get is the 'grub:' prompt. In rescue mode I can cd /boot but there is nothing to list, and certainly there is no /boot/grub. fdisk /dev/sda1 p reports 255 heads 63 sectors/tracks 25 Cylinders Units=cylinders of 16065 x 512 = 8225280 Bytes Disk Identifier 0x0000000 - and then nothing under the headings Device, Boot, Start End etc...
Previously /boot was on /dev/sda1 a 194 m patition, with 39m used and 146m available (according to logwatch mail),
My questions:
Are there any commands in the grub program that would help my recovery - I doubt it, because grub is in place and running but I am not sure. Could I using fdisk recover the sda1 partition and it's contents? If so - how? If no, could I use the F12x86_64 to update and hence recover the /boot drive and retain the the LVM volumes both programs and content? If no, is my only option to reload F12 from the start, then rsync in my backup /home directory?
Since there had been a fair amount of customization done on the previous F11 which had been preupgraded to F12 I would prefer any option that would retain the customizations ...
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Nov 10, 2010
I wanted to experiment with Fedora 14.
The machine has Windows XP and Ubuntu 9.10.
Before today when I turned the machine on there was a black screen with many Linux kernels to choose from and Windows.
I created another for Fedora and installed it on there - the Ubuntu root partition is still there.
When I boot now, there is a blue Fedora screen with just it and Windows.
To make matters worse Fedora doesn't work with my graphics card (Matrox). I would like to get Fedora working but still want to have the ability to use Ubuntu again.
What do I need to change to be able to boot into Ubuntu again and how do I do it?
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pics:
step1:
step2:
step3:
I captured these steps by using Fedora 12 Live printscreen tool. I tried to install Fedora12 from its non-bootable DVD too, but no difference! So there's only 2 situations:
1. I did something wrong -> install Fedora and use its partitioning tool.
2. There's a bug in Fedora -> confirm that this is a bug and say me an alternative way to install fedora.
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Code:
SATA device C465.76 GBATA WDC WD5000AVDS-6
SATA device D465.76 GBATA WDC WD5000AAKS-0
[code]....
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kernel-uname-r = 2.6.27.19-170.2.35.fc10.x86_64 is needed by kmod-nvidia-2.6.27.19-170.2.35.fc10.x86_64-180.29-1.fc10.1.x86_64
[code]....
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Dec 7, 2010
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Dec 1, 2009
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I do have the disk encryption set, could this be related to that? Updated my laptop today with the xx.6-145.f12.PAE kernel and now it's borked to. Same problems.12/07/2009OK today's kernel update seemedto fix the problems and now all is well, execpt for my inkscape not working problem. But I put ubuntu 9.10 in a VBox and it works. So for now that's my work around.
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[code]...
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Aug 24, 2011
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Nov 1, 2010
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After "fdisk -l",
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Dec 8, 2009
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Aug 27, 2010
Partition info:
sda2: Win7
sdb1: /boot
sdb2: LVM, containing , home, swap...
[code]....
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Apr 19, 2010
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how to get back my E: partition which was chosen wrongly as boot partition.
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Jan 8, 2010
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[Code]....
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I just installed Fedora 11 (I installed over the Fedora 10 installation I had already installed)..
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Here is my fdisk -l
Device Boot Start End Blocks Id System
/dev/sda1 1 192 1536000 27 Unknown
Partition 1 does not end on cylinder boundary.
/dev/sda2 192 5414 41943040 7 HPFS/NTFS
Partition 2 does not end on cylinder boundary.
code....
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Sep 19, 2009
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May 31, 2011
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Partition table entries are not in disk order.
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Mar 13, 2010
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(Oh, and the preupgrade/upgrade had deleted my /var/cache/yum/preupgrade/ packages; hence my inability to quickly (re)install the 2.6.32.9-70.fc12 kernel rpm -- why!? it hadn't successfully finished the process!)
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So, any tips out there on phasing out the old-school /boot partition scheme, the safest and easiest way (without destroying a working system, of course)?
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