RE: booting with linux kernel 2.6.32.2

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Thanks for the good info.


Le jeudi 31 décembre 2009 à 03:54 -0600, Leslie Rhorer a écrit :
> 	Look at /dev/disk/ and you will see several different ways a disk
> can be accessed:
> 
> RAID-Server:/dev/disk# ll
> total 0
> drwxr-xr-x  6 root root  120 2009-12-25 13:34 .
> drwxr-xr-x 14 root root 4200 2009-12-30 07:54 ..
> drwxr-xr-x  2 root root  820 2009-12-25 19:42 by-id
> drwxr-xr-x  2 root root   60 2009-12-25 13:34 by-label
> drwxr-xr-x  2 root root  420 2009-12-25 19:42 by-path
> drwxr-xr-x  2 root root  120 2009-12-25 13:34 by-uuid
> 
> 	Look in the by-uuid directory, and you will see all the unique disk
> identifiers.  Udev can and will move the assignments ( /dev/hda, /dev/sdb,
> etc ) around more or less at will, and will definitely do so whenever a disk
> is added or removed.  This makes the old method of assigning boot drives
> (hd0, etc.) unreliable.  The uuid, however, is specific to the drive, and
> will not change even if the drive is moved to another system.  It's the only
> reasonable way, for example, to create a bootable USB drive or a bootable
> removable hard drive.
> 
> 
> > -----Original Message-----
> > From: linux-net-owner@xxxxxxxxxxxxxxx [mailto:linux-net-
> > owner@xxxxxxxxxxxxxxx] On Behalf Of clownix
> > Sent: Wednesday, December 30, 2009 4:12 PM
> > To: ranjith kumar
> > Cc: linux.kernel; linux-kernel; linux-net@xxxxxxxxxxxxxxx
> > Subject: Re: booting with linux kernel 2.6.32.2
> > 
> > If you do
> > 
> > blkid
> > 
> > you see all your UUID and the corresponding dev, UUID is a unique
> > identifier, this is why it is a long name.
> > 
> > For the kernel config, try to take your own in the /boot/config-2.6...
> > Try:
> > 
> > cp /boot/config-2.6...  .config
> > make menuconfig
> >        exit/save
> > make
> > make modules_install
> > make install
> > 
> > 
> > 
> > 
> > Le jeudi 31 décembre 2009 à 02:27 +0530, ranjith kumar a écrit :
> > > Hi,
> > >
> > > I am using fedora 10.
> > > I downloaded linux kernel 2.6.32.2 and run the follwing commands to
> > > build and install it.
> > >
> > > 1) make defconfig
> > > 2) make
> > > 4)make modules
> > > 5)make all
> > > 6)make modules_install
> > > 7)make install
> > >
> > > After that the contents of  /boot/grub/menu.lst are:
> > > ------------------------------------------------------------------------
> > >   1 # grub.conf generated by anaconda
> > >       2 #
> > >       3 # Note that you do not have to rerun grub after making changes
> > > to this file
> > >       4 # NOTICE:  You have a /boot partition.  This means that
> > >       5 #          all kernel and initrd paths are relative to /boot/,
> > eg.
> > >       6 #          root (hd0,2)
> > >       7 #          kernel /vmlinuz-version ro
> > root=/dev/VolGroup00/LogVol00
> > >       8 #          initrd /initrd-version.img
> > >       9 #boot=/dev/sda
> > >      10 default=2
> > >      11 timeout=5
> > >      12 splashimage=(hd0,2)/grub/splash.xpm.gz
> > >      13 hiddenmenu
> > >      14 title Fedora (2.6.32.2)
> > >      15         root (hd0,2)
> > >      16         kernel /vmlinuz-2.6.32.2 ro
> > > root=UUID=80c4c9bd-8110-4f79-8bdc-dd69e38bf299
> > >      17         initrd /initrd-2.6.32.2.img
> > >      18 title Fedora (2.6.27.5-117.fc10.i686)
> > >      19         root (hd0,2)
> > >      20         kernel /vmlinuz-2.6.27.5-117.fc10.i686 ro
> > > root=UUID=80c4c9bd-8110-4f79-8bdc-dd69e38bf299
> > >      21         initrd /initrd-2.6.27.5-117.fc10.i686.img
> > >      22 title Windows Vista
> > >      23         rootnoverify (hd0,0)
> > >      24         chainloader +1
> > > ------------------------------------------------------------------------
> > ---------------------------------
> > > 1) When I rebooted the machine and selected "Fedora (2.6.32.2)" from
> > > grub's menu,
> > > why fedora(old fedora 10 which was there initially) is booting instead
> > > of linux kernel 2.6.32.2 ???
> > >
> > > 2) what does "ro root=UUID=80c4c9bd-8110-4f79-8bdc-dd69e38bf299" means
> > > in /boot/grub/menu.lst ?
> > >
> > > Thanks in advance.
> > > --
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> > 
> > 
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