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Hi!
I've been using Arch for several months on my laptop (I love it!), in dual-boot with WinXP.
Last night I used PartitionMagic 8.0 (in WinXP) to move/resize partitions on my disk and now Grub won't load. I get Grub loading, please wait... error 17. My partitions, before my mess :oops: , where:
part1 - C: (WinXP, NTFS))
part2 - boot linux (small [32 MB]: I never used it)
part3 - swap
part4 - root (Arch, Ext3)
part5 - E: (shared between OS's (FAT))
First, I splitted part5 in 2 parts (E: and J: (the new part6)). Everything worked fine.
Second, I backed up my data on part5 on an external drive and created free space (i.e., I deleted this partition so that part6 can become the new part5). That also worked.
Then I wanted to give the freed space from the old part5 to part1. In order to connect this space to part1, it needed to move the partitions on the disk (not change the order, just move there locations on the disk). PartitionMagic stopped while moving the partitions and gave an error message. :?
Now, what I think happened is that Grub knows on what part the menu.lst file is (part4) but the memory address of this part has moved.
I think the easiest solution would be to reinstall Arch over my previous installation, so that everything will be re-mapped for Grub. Is it possible to do this without suppressing my old installation (i.e., keeping apps and data)? Or does anyone have a better idea or procedure to tell Grub where is menu.lst?
Thanks a lot
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Me again:
I forgot to mention that at this point, since the "partition moving" process isn't finished yet (since it stopped before completing its task), my parts are like this (As seen when running /arch/setup/ from the Arch 0.7 CD-ROM and looking at "Partition Hard Drives" (cfdisk)):
Disc1 Boot Primary NTFS (my C:, WinXP)
Disc2 Primary Linux (my small boot I never used)
Disc3 Primary Linux Swap
Logical Free space
Disc5 Logical Linux (my Arch installation)
Disc6 Logical W95 FAT32 (my shared part)
I can see that my Free Space has moved from after my Arch installation to before it. But it is not connected to my WinXP part yet.
Hope this will clarify things a bit.
Thanks
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could try re installing grub......
just make sure you have edited menu.lst to and fstab to reflect any relevant changes
grub-install ........ hmmmmm
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How do I grub-install?
Do I need the Arch boot CD? Or Knoppix (which I never used)?
When booting from the Hard Disk (not from the Arch CD), I think I cannot enter any commands. My screen hangs after ...Error 17 during the loading if Grub stage 1.5.
Thanks
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yeah boot from cd but mount your partition eg
/arch root=/discs/disc**** youre install***
once youre the as root
its as easy as grub-install, But edit menu.lst first if you have made any changes...
take a peek at the wiki it covers this method in detail..
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I tried :
arch root=/dev/discs/disc0/part5
It didn't work. :cry: It booted but I got to the same point as if I pressed ENTER at the boot prompt.
Then if I try grub-install it doesn't work. I can't even find the menu.lst file. If I
ls
I see the directories on the cd. I also see my partitions (hda1, hda2, etc.) and their respective sizes when I
cat /proc/partitions
From the Wiki(http://wiki.archlinux.org/index.php/Res … oot_loader) I tried
vmlinuz root=/dev/hda5
. It booted but stopped in the process, saying:
kernel panic - not syncing: VFS: unable to mount root fs on unknown block(3,5)
I tried all my other hda's (hda3, hda6, etc.) just to be sure I had the right partition but no. Apparently, something is screwed up on my root partition.
Now I don't know what to do. Also, the thing is that even if I get to boot again my 2 Os's, I'll need to terminate the connection of the free memory with my first partition and redo the grub install again.
Do you know if I can install Arch from my CD on the same partition it is now, without erasing all my apps, configs, etc.?
Thanx
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Nah dont think it can be done, as you cant find the partition.
when you moved them you may have scrambles the table given that cfdisk doesn,t see them
what does fdisk -l /dev/hda return...
if that cant read it then you may not be able to recover easily...
it sounds like the logical partition is muddled, if you moved one then it may have renamed them, so we need to find out what is where.
do you have another live disk such as knoppix or dsl that you can boot and try mounting the partions to find your install and the no of your partion you can from there edit your fstab and menu.lst chroot and run grub-install ...
if this post has lost you you may be better of wiping you logical partition and starting again, this is the easiest option , unless you have some stuff that you cant loose
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what does fdisk -l /dev/hda return...
Returned nothing (i.e., nothing happened).
fdisk /dev/hda
returned
unable to open /dev/hda
But if I enter the installation with the CD and look at my partitions,as mentionned in my second post, I can see them.
I also see them with cat /proc/partitions. Why?
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Also, I just discovered something:
When I boot from the CD and at the boot prompt just press ENTER, then when I
ls /dev/discs/disc0
I get nothing.
If instead I type
arch root=/dev/discs/disc0/part5
at the boot prompt, when I
ls /dev/discs/disc0
I get this:
disc part1 part2 part3 part4 part5 part6
Does this look more encouraging for me?
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dude I'm confused.......
where is arch living in your second post you say part4.....
yet youre trying to boot part5......
fdisk /dev/hda not what i asked .... fdisk -l just to see if it can read youre partitions, dont need to be able to open them
and as the cd uses defvs may have more luck with
fdisk -l /dev/discs/disc0 if it can read them then just mount it and run grub-install from there after chrooting
e.g
mkdir /mnt
mount /dev/discs/disc0/part(where arch lives) /mnt
chroot /mnt
grub-install
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