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"parted" shows my partition table as follows:
Number Start End Size Type File system Flags
1 1049kB 106MB 105MB primary ntfs boot
2 106MB 64.9GB 64.8GB primary ntfs
4 64.9GB 456GB 391GB extended lba
8 64.9GB 96.3GB 31.4GB logical ext4
9 96.3GB 101GB 4277MB logical linux-swap(v1)
7 101GB 105GB 4273MB logical linux-swap(v1)
5 105GB 327GB 222GB logical ntfs
6 327GB 456GB 129GB logical ntfs
3 456GB 500GB 44.4GB primary ext4 While fdisk shows my partition table as follows:
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT
/dev/sda2 206848 126852290 63322721+ 7 HPFS/NTFS/exFAT
/dev/sda3 890126748 976772663 43322958 7 HPFS/NTFS/exFAT
/dev/sda4 126853118 890123492 381635187+ f W95 Ext'd (LBA)
/dev/sda5 204812685 638648009 216917662+ 7 HPFS/NTFS/exFAT
/dev/sda6 638648073 890123492 125737710 7 HPFS/NTFS/exFAT
/dev/sda7 196450304 204795903 4172800 82 Linux swap / Solaris
/dev/sda8 126853120 188086271 30616576 83 Linux
/dev/sda9 188088320 196442111 4176896 82 Linux swap / Solaris
Partition table entries are not in disk order I have two linux partition installed at
/dev/sda3 -> Arch Liuxx
/dev/sda8 -> Ubuntu.
GRUB is installed at ubuntu (version 2 grub).
- First of all, why is fdisk not able to detect a ext4 partition. It only shows one partition as Linux ie /dev/sda8.
- When I try to install grub by booting to live CD and I type $root (hd0,3), it shows unknown partition 0xf. Even if I use tabs to do autocomplete, I get this
grub> root (hd0,
Possible partitions are:
Partition num: 0, Filesystem type unknown, partition type 0x7
Partition num: 1, Filesystem type unknown, partition type 0x7
Partition num: 2, Filesystem type unknown, partition type 0x7
Partition num: 4, Filesystem type unknown, partition type 0x7
Partition num: 5, Filesystem type unknown, partition type 0x7
Partition num: 6, Filesystem type unknown, partition type 0x82
Partition num: 7, Filesystem type is ext2fs, partition type 0x83
Partition num: 8, Filesystem type unknown, partition type 0x82
grub> root (hd0,God knows why it shows partition number 7 as ext2fs. I cannot choose either 8 or 3 partition
grub> root (hd0,3)
Filesystem type unknown, partition type 0xf
grub> root (hd0,8)
Filesystem type unknown, partition type 0x82Also, I need to install grub on /dev/sda3 (my arch linux partition) which is currently on UBUNTU's partition so its also not able to find any boot files if I try to mount arch partition and do $root-install --root-directory=/mnt/myarchmounted --recheck /dev/sda.
So, how should I proceed?
TL/DR: I want a way to
- Format ubuntu partition and remove it completely (including its own grub)
- Install GRUB on Arch's partition, so that I can boot it after ubuntu's partition is removed.
My blog:-
http://blog.abhijeetr.com
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hi
do not use fdisk...
from fdisk man-page
fdisk does not understand GUID partition tables (GPTs) and it is not designed for large partitions. In these cases, use the more advanced GNU parted(8).
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"parted" shows my partition table as follows:
Number Start End Size Type File system Flags 1 1049kB 106MB 105MB primary ntfs boot 2 106MB 64.9GB 64.8GB primary ntfs 4 64.9GB 456GB 391GB extended lba 8 64.9GB 96.3GB 31.4GB logical ext4 9 96.3GB 101GB 4277MB logical linux-swap(v1) 7 101GB 105GB 4273MB logical linux-swap(v1) 5 105GB 327GB 222GB logical ntfs 6 327GB 456GB 129GB logical ntfs 3 456GB 500GB 44.4GB primary ext4While fdisk shows my partition table as follows:
Device Boot Start End Blocks Id System /dev/sda1 * 2048 206847 102400 7 HPFS/NTFS/exFAT /dev/sda2 206848 126852290 63322721+ 7 HPFS/NTFS/exFAT /dev/sda3 890126748 976772663 43322958 7 HPFS/NTFS/exFAT /dev/sda4 126853118 890123492 381635187+ f W95 Ext'd (LBA) /dev/sda5 204812685 638648009 216917662+ 7 HPFS/NTFS/exFAT /dev/sda6 638648073 890123492 125737710 7 HPFS/NTFS/exFAT /dev/sda7 196450304 204795903 4172800 82 Linux swap / Solaris /dev/sda8 126853120 188086271 30616576 83 Linux /dev/sda9 188088320 196442111 4176896 82 Linux swap / Solaris Partition table entries are not in disk orderI have two linux partition installed at
/dev/sda3 -> Arch Liuxx
/dev/sda8 -> Ubuntu.GRUB is installed at ubuntu (version 2 grub).
- First of all, why is fdisk not able to detect a ext4 partition. It only shows one partition as Linux ie /dev/sda8.
Type code of /dev/sda3 is wrong, it should be 0x83, not 0x07 (type code for FAT/NTFS partitions)
- When I try to install grub by booting to live CD and I type $root (hd0,3), it shows unknown partition 0xf. Even if I use tabs to do autocomplete, I get this
grub legacy numbers partitions from 0 , wherein (hd0,3) corresponds to /dev/sda4 (the extended partition in your disk). IN your case you should try (hd0,2) for /dev/sda3 (after changing the part type code to 0x83)
God knows why it shows partition number 7 as ext2fs. I cannot choose either 8 or 3 partition
grub> root (hd0,3) Filesystem type unknown, partition type 0xf grub> root (hd0,8) Filesystem type unknown, partition type 0x82
(hd0,7) == /dev/sda8 == ext4
(hd0,3) == /dev/sda4 == extended part
(hd0,8) == /dev/sda9 == linux swap
Also, I need to install grub on /dev/sda3 (my arch linux partition) which is currently on UBUNTU's partition so its also not able to find any boot files if I try to mount arch partition and do $root-install --root-directory=/mnt/myarchmounted --recheck /dev/sda.
So, how should I proceed?
TL/DR: I want a way to
- Format ubuntu partition and remove it completely (including its own grub)
- Install GRUB on Arch's partition, so that I can boot it after ubuntu's partition is removed.
Your question is not clear. But you can boot into Arch, install its grub2 package (recommended over grub legacy), install grub2 to /boot in Arch, and finally format ubuntu completely. Follow the Archwiki GRUB2 page. It explains everything.
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hi
do not use fdisk...
from fdisk man-page
fdisk does not understand GUID partition tables (GPTs) and it is not designed for large partitions. In these cases, use the more advanced GNU parted(8).
His disk is MBR, not GPT. So using fdisk in this case is perfectly fine.
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It will take a week's time as it was my friend's computer & I am on a vacation now. I will post again to this post when I try stuff thats suggested.
Last edited by shadyabhi (2011-10-24 07:27:22)
My blog:-
http://blog.abhijeetr.com
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