grub---problem

Ramachandran Chidambaraiyer ramachandran.chidambaram at gmail.com
Tue Dec 1 23:40:23 UTC 2015


On Tuesday, December 1, 2015, Ralf Mardorf <silver.bullet at zoho.com> wrote:

> 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 <javascript:;>> 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

mount:  special device /dev/sda1 does not exist

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



> Model:  ATA WDC  WD3200BPVT-0 (scsi)

Disk /dev/sdb: 320GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start          End           Size         Type          File system
 Flgs
  1            1049kb      85.8GB    85.8GB    primary     ext4
  boot
  2            85.8GB      320GB     234GB     extended
  7           85.8GB       107GB     21.5GB   logical        ext4
 8            107GB        163GB     55.8GB   logical
 6            163GB        319GB     156GB   logical          ext4
 5            319GB        320GB     927MB  logical       linux-swap (v1)

Warning: Unablle 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?

Regards
Ramachandran

> 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 ~]#
>
>
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-- 
Ramachandran.C
91(422)2496638
91(4923)262362
Mobile:09446290638
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