Can one now help?

Parshwa Murdia b330bkn at gmail.com
Sun Jul 18 22:35:34 UTC 2010


On Sun, Jul 18, 2010 at 4:24 PM, Parshwa Murdia <b330bkn at gmail.com> wrote:

>     ---------- Forwarded message ----------
>>>    From: JD <jd1008 at gmail.com <mailto:jd1008 at gmail.com>>
>>>    To: Community support for Fedora users
>>>    <users at lists.fedoraproject.org <mailto:users at lists.fedoraproject.org
>>> >>
>>>    Date: Sat, 17 Jul 2010 14:31:48 -0700
>>>    Subject: Re: Can one now help?
>>>
>>
>
>>  Live CD also allows you to just boot the cd without installing it.
>> So, do not select install. just boot it and the desktop will come up.
>> in desktop, open a terminal:
>> Click Applications -> System Tools -> Terminal
>>
>> in the shell terminal, mount your fedora partition:
>> su -
>> No password needed. just press enter.
>> mkdir /mydisk
>> mount /dev/sdXN /mydisk
>>
>> where X is the drive letter and N is the partition number (starts at 1)
>> where you installed fedora.
>>
>> Now cd to your /etc and edit fstab and fix the problem.
>>
>> If you do not know how to do that, post the contents of your fstab to this
>> list
>> and I am certain someone will tell you what is wrong.
>>
>
> one things is that when you say sdXN, X is the drive letter means what
> drive letter is give to the linux partition? in windows if i see, its H so
> it should be like sdH9?? in the line:
>
> mount /dev/sdXN /mydisk
>
> but the error i get is:
> *
> mount: you must specify the filesystem type* (which comes in the terminal)
>
>
> ---------- Forwarded message ----------
>> From: Marko Vojinovic <vvmarko at gmail.com>
>> To: users at lists.fedoraproject.org
>> Date: Sun, 18 Jul 2010 19:50:22 +0100
>> Subject: Re: Can one now help?
>> On Sunday, July 18, 2010 15:39:43 Parshwa Murdia wrote:
>
>  You are right not to touch the install icon again. You do not want to
>> install
>> the system all over again. Instead, once you have booted the Live CD and
>> have
>> the desktop show up, you should do several things.
>>
>> First open the terminal (find it in the menus, its exact position depends
>> on
>> KDE/Gnome Live CD, and I don't know which one you are using).
>>
>
> Yes, i am using Gnome and the live CD of fedora 11.
>
>
>> Then you need to find out which partition is the root partition of your
>> installed Fedora. You do not want to confuse that to your *current* root
>> partition which is on the Live CD. Hard disk partitions in Fedora are
>> named
>> sda1, sda2, ... for the master hd on the primary IDE controller,
>> sdb1, sdb2, ... for the slave hd on the primary IDE, then sdc1/2/... and
>> sdd1/2/... for the master and slave on the secondary IDE, etc. Of course,
>> if
>> you have a SATA drive this may be different. If you have a dual-boot
>> configuration (ie. Windows), then it typically takes sda1 for Windows
>> drive C:,
>> sda2 for windows drive D: (if you have one, not counting the CD/DVD drive)
>> and
>> so on, while Fedora partitions go after those.
>>
>
> yes, its sata harddisk i think and dual booted with windows. in windows i
> have partitions for C, D, E, F (four drives).
>
>
>>
>> I am writing all this to show you that partition layout depends a lot on
>> your
>> hardware and software configuration, and no one on this list can guess it
>> for
>> you --- you have to find it out yourself for your particular machine. One
>> way
>> to do it is to use fstab:
>>
>> (1) once in the terminal, type "su -" to become root (without quotes)
>> (2) type "fdisk -l /dev/sda"
>> (3) fdisk will list the partition table of your hard disk --- look
>> carefully
>> on that list, and try to figure out which partition is the Linux root
>> partition. If you cannot guess it yourself, post the partition table
>> layout to
>> us so we can help you with guessing.
>>
>
> the result of "fdisk -l /dev/sda" is as follows:
>
> Disk /dev/sda: 250.0 GB, 250059350016 bytes
> 255 heads, 63 sectors/track, 30401 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> Disk identifier: 0xfedcfedc
>
>    Device Boot      Start         End      Blocks   Id  System
> /dev/sda1               1        5737    46082421    7  HPFS/NTFS
> /dev/sda2            5738       30400   198105547+   f  W95 Ext'd (LBA)
> /dev/sda5            5738        9561    30716248+   7  HPFS/NTFS
> /dev/sda6            9562       13385    30716248+   7  HPFS/NTFS
> /dev/sda7           13386       15935    20482843+   7  HPFS/NTFS
> /dev/sda8   *       15936       15961      204799+  83  Linux
> /dev/sda9           15961       28596   101487615+  8e  Linux LVM
>
> I don't know why there is no entry for sda3 and sda4. I guess the linux
> root partition to be sda8? or it should be sda9?
>
>
>>
>> After you have determined which partition is the Fedora root (in what
>> follows
>> I will assume that it is /dev/sda2, while you should substitute the
>> relevant
>> /dev/sd?? instead), you want to mount it somewhere --- typically to /mnt
>> directory of your running LiveCD Fedora. This is done as follows:
>>
>> (1) create a new directory in /mnt, by typing "mkdir /mnt/oldfedora"
>> (2) mount the partition to that directory by typing
>> "mount /dev/sda2 /mnt/oldfedora" (and don't forget to substitute /dev/sda2
>> with whatever is relevant for your case)
>>
>
> mounting this (for both sda8 and sda9), it shows me the error:
> *
> mount: unknown filesystem type 'lvm2pv'* (in the terminal)
>
> and once:
> *
> mount: you must specify the filesystem type* (in the terminal)
>
> so again it is not getting either mounted.
>


After this all, I searched the google and then, at the following web-page:

http://fedoraforum.org/forum/showthread.php?t=213000

I got some details to how mount the LVM2 and resolving the error.

I typed the following three commands first:

[liveuser at localhost ~]$ su -
[root at localhost ~]# kpartx -av /dev/sda
[root at localhost ~]# vgscan
[root at localhost ~]# vgchange -ay

After that i run the following command:

[root at localhost ~]# ls /dev/mapper

the output of which was:

control  live-osimg-min  live-rw  VolGroup-lv_root  VolGroup-lv_swap

[root at localhost ~]#  mount /dev/mapper/VolGroup-lv_root /mnt/oldfedora/

after that switched to the /mnt/oldfedora/

[root at localhost ~]# cd /mnt/oldfedora

and run the ls command

[root at localhost oldfedora]# ls

which yielded:

bin   dev  home  lost+found  mnt  proc  sbin     srv  tmp  var
boot  etc  lib   media       opt  root  selinux  sys  usr

Means i got to that area.

The output of the following command:

[root at localhost oldfedora]# cat /etc/fstab

was:

#
# /etc/fstab
# Created by anaconda on Tue Jul  6 16:51:55 2010
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or vol_id(8) for more info
#
# Adding (append) noatime, nodiratime after all 'defaults' entries in the
following (back of this file already taken)(
http://digitizor.com/2009/01/31/fedora-speed-tweaks-make-fedora-faster/)
# See http://sites.google.com/site/indiadoor/home

UUID=c6d4ce29-9af6-4c76-bbd2-c96e3fa4b8e7 /boot                   ext3
defaults, noatime, nodiratime        1 2
/dev/mapper/VolGroup-lv_root /                       ext4    defaults,
noatime, nodiratime        1 1
/dev/mapper/VolGroup-lv_swap swap                    swap    defaults,
noatime, nodiratime        0 0
tmpfs                   /dev/shm                tmpfs   defaults, noatime,
nodiratime        0 0
devpts                  /dev/pts                devpts
gid=5,mode=620        0 0
#devpts options modified by setup update to fix #515521 ugly way
sysfs                   /sys                    sysfs   defaults, noatime,
nodiratime        0 0
proc                    /proc                   proc    defaults, noatime,
nodiratime        0 0

# Filesystem can be used for frequently use temp folders by add the
following lines (
http://digitizor.com/2009/01/31/fedora-speed-tweaks-make-fedora-faster/)

tmpfs /tmp tmpfs defaults 0 0
tmpfs /var/tmp tmpfs defaults 0 0

I don't understand why it is wrong?

But after much pondering over, I just deleted the gap between the
nodiratime,noatime and defaults, and really speaking after that only i was
able to boot from the original fedora.


 > ---------- Forwarded message ----------
> >
> > > From: Marko Vojinovic <vvmarko at gmail.com>
> > > To: users at lists.fedoraproject.org
> > > Date: Sun, 18 Jul 2010 19:50:22 +0100
> > > Subject: Re: Can one now help?
>
> This is 100% correct.  Linux can understand quite a few file system
> architectures, so you need to include a '-t filesystemname' in your mount
> command line.  Man mount.
>

yes but this was not working.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.fedoraproject.org/pipermail/users/attachments/20100719/d02ebc0c/attachment-0001.html 


More information about the users mailing list