grub---problem

[Ralf Mardorf]

On Mon, 30 Nov 2015 21:56:59 +0100, Liam Proven wrote:
>On 30 November 2015 at 18:10, Ramachandran Chidambaraiyer
><ramachandran.chidambaram at gmail.com> wrote:
>> Warning: Unable to open /dev/sr0 read-write (Read-only file system).
>> /dev/sr0
>> has been opened read-only.
>> Error : Invalid partition table  - recursive partition on  /dev/sr0.
>> Ignore/Cancel?  
>
>
>This means that you are trying to partition your CD ROM. You can't do
>that. CDs are read-only.
>
>In other words: you're using the wrong device name.

We need to see a copy and paste of all commands and all output.

If I run the commands, excepted of the mount command, not on an Ubuntu
live CD, but on the Linux that currently is booted, it looks like this
[1].

The OP should run

  sudo -i  

and run

  mount /dev/sda1 /mnt

then run
  
  fdisk -l /dev/sda; parted -l; ls -l /mnt

and post everything in the same style as I did [1].

Regards,
Ralf

[1]
[rocketmouse at archlinux ~]$ sudo -i
[sudo] password for rocketmouse: 
[root at archlinux ~]# fdisk -l /dev/sda; parted -l; ls -l /mnt
Disk /dev/sda: 298.1 GiB, 320072933376 bytes, 625142448 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x000f2fc6

Device     Boot     Start       End   Sectors   Size Id Type
/dev/sda1  *           63 121274495 121274433  57.8G a5 FreeBSD
/dev/sda2       121274746 625137344 503862599 240.3G  5 Extended
/dev/sda5       121274748 123381759   2107012     1G 83 Linux
/dev/sda6       123383808 246419455 123035648  58.7G 83 Linux
/dev/sda7       246421098 309283379  62862282    30G 83 Linux
/dev/sda8       309283443 361967615  52684173  25.1G 83 Linux
/dev/sda9       361969664 477483007 115513344  55.1G 83 Linux
/dev/sda10      477485056 482031387   4546332   2.2G 82 Linux swap / Solaris
/dev/sda11      482031616 561872895  79841280  38.1G 83 Linux
/dev/sda12      561873438 569215079   7341642   3.5G 83 Linux
/dev/sda13      569215143 615514409  46299267  22.1G 83 Linux
/dev/sda14      615514473 625137344   9622872   4.6G 83 Linux
Model: ATA SAMSUNG HD321KJ (scsi)
Disk /dev/sda: 320GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags: 

Number  Start   End     Size    Type      File system     Flags
 1      32.3kB  62.1GB  62.1GB  primary                   boot
 2      62.1GB  320GB   258GB   extended
 5      62.1GB  63.2GB  1079MB  logical   ext2
 6      63.2GB  126GB   63.0GB  logical   ext3
 7      126GB   158GB   32.2GB  logical   ext3
 8      158GB   185GB   27.0GB  logical   ext3
 9      185GB   244GB   59.1GB  logical   ext4
10      244GB   247GB   2328MB  logical   linux-swap(v1)
11      247GB   288GB   40.9GB  logical   ext3
12      288GB   291GB   3759MB  logical   ext3
13      291GB   315GB   23.7GB  logical   ext3
14      315GB   320GB   4927MB  logical   ext4


Model: ATA SAMSUNG HD502HJ (scsi)
Disk /dev/sdb: 500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags: 

Number  Start   End     Size    Type      File system     Flags
 1      32.3kB  22.0GB  22.0GB  primary   ntfs            boot
 2      22.0GB  500GB   478GB   extended
 5      22.0GB  44.0GB  22.0GB  logical   ext3
 6      44.0GB  65.9GB  21.9GB  logical   ext3
 7      65.9GB  68.5GB  2607MB  logical   linux-swap(v1)
 8      68.5GB  90.1GB  21.6GB  logical   ext4
 9      90.1GB  112GB   22.1GB  logical   ext4
10      112GB   113GB   522MB   logical   ext4
11      113GB   140GB   27.5GB  logical   ext4
12      140GB   178GB   37.7GB  logical   ext4
13      178GB   220GB   41.9GB  logical   ext4
14      220GB   446GB   226GB   logical   ext4
15      446GB   500GB   53.8GB  logical   ext4


Model: HL-DT-ST DVD-RAM GH22LS30 (scsi)
Disk /dev/sr0: 657MB
Sector size (logical/physical): 2048B/2048B
Partition Table: mac
Disk Flags: 

Number  Start  End    Size    File system  Name   Flags
 1      2048B  6143B  4096B                Apple
 2      174MB  177MB  2327kB               EFI


total 4
drwxrwx--- 34 rocketmouse 29 4096 Nov 20  2014 music
[root at archlinux ~]#