renovate partitions without reinstalling
Charles Howse
chowse at charter.net
Mon Mar 8 19:27:03 UTC 2004
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On Monday 08 March 2004 12:54 pm, thedogfarted wrote:
> When i moved from rh9 to fc1 and wanted to shrink windows partition i
> took a less 'funny' approach ???easier???
>
> i booted from disk 1 in rescue mode, launched parted. I had already made
> my ntfs partiotion two times smaller with BootIt NG but as you want to
> get rid of your ntfs completely, there should be no problems with that :)
>
> write '/dev/hda' (without quotes), that will select your ntfs disk
>
> delete ntfs partition: 'rm 1'
>
> the biggest problem is that you want to have your / and /boot partition
> on hda - we need to move them from one disk to other, but they could be
> ext3 partitions and parted doesn't support ext3 (although the manual
> says it does)
They are indeed ext3 partitions.
>
> make desired partitions on hda. if you want ext3 partiotions, use mkpart
> command instead of mkpartfs, exit parted and use mkfs.ext3 command on
> that partition, that will format it as ext3
>
> partitions are created, now the hardest part - copying
>
> if they are ext2, you can use cp command within parted: 'cp /dev/hdc 1
> 1' if hdc1 is /boot and it fits in hda1
>
> in case of / and if you have ext3 partitions (as i do), you'll have to
> copy them manually (i suppose you want to keep /home on hdc)
>
> exit form parted, mount both source and destination partitions, and use
> ordinary cp command to copy files from one partition to other (you can
> use mv instead of cp but i prefer cp - in case that smthing goes wrong
> data isn't lost)
Ummm...I thought we mounted filesystems rather than partitions...?
Could you show me an example of how to mount a partition while in rescue mode,
please?
>
> now that you have copied all the files you wanted to reside on hda
> (probably all /boot partition and / without /home and /tmp) do what you
> want with hdc - probably move files that /home is instead of previous /
> etc and then edit grub.conf and fstab, it could look like this
Stop...I'm lost.
I was with you until we started moving "files that /home is..."
I must not be reading correctly, it doesn't make sense. :-)
>
> grub.conf:
>
> title Fedora Core 1 (kerneliic 2.4.22-1.2174.nptl)
> #this is if /boot is hda1
> root (hd0,0)
> kernel /vmlinuz-2.4.22-1.2174.nptl ro root=LABEL=/ hdc=ide-scsi
> rhgb
> initrd /initrd-2.4.22-1.2174.nptl.img
>
> fstab:
> #hda
> /dev/hda1 /boot ....
> /dev/hda2 / ....
> /dev/hda3 swap ....
>
> #and add hdc partitions too
>
> well, it should work, at least it worked for me :)
>
> dballester at kernpharma.com wrote:
> > Hi:
> >
> > Well, well, well... welcome to the freedoom club ;)
> >
> > Supousing that you will delete your windows partitions, here is what i
> > could do:
> >
> > (In general, if you think that's good, let me know to explain in detail)
> >
> > Backup your important data from windows to linux ( docs,
> > spreadsheets, music, images, etc...).
> >
> > Delete partitions in /dev/hda ( windows disk )
> >
> > Swap disks physicaly ( windows disk ( 20Gb ) will be at /dev/hdc
> > and linux disk will be at /dev/hda )
> >
> > Boot machine with Fedora Disk1, in rescue mode.
> >
> > When prompted to mount your system under /mnt/sysimage respond yes.
> > Then execute 'chroot /mnt/sysimage'. ( I don't remember if it's sysimage
> > or another name...)
> >
> > Edit /etc/fstab. References to /dev/hdc must point now to /dev/hda.
> >
> > Edit /boot/grub/grub.conf. Delete lines corresponding to windows.
> > References to hd2 will point now to hd0
> >
> > Save file.
> >
> > Execute grub-install
> >
> > Exit from chroot.
> >
> > Reboot.
> >
> > You have your fedora working from /dev/hda.
> >
> > Now, the funny steps :
> > =======================
> >
> > Shutdown -r now
> >
> > Startup with single mode
> >
> > We will use logical volumes, with them, we will expand our disks
> > more easily in the future.
> >
> > Create partition for swap in /dev/hdc ( space can be 1 x RAM ),
> > create 1 partition of ext3 type in /dev/hdc for /tmp partition and create
> > 1 LVM partition for /home. ( be sure to left 1-1,5 Gb free without
> > partitioning )
> >
> > swap on /dev/hdc/<swap_partition>
> >
> > Configure LVM to make 1 physical volume, and assign all space in
> > this partition for /home with ext3.
> >
> > mkdir /mnt/new_home
> >
> > Format /dev/hdc/<tmp_partition> with ext3.
> >
> > mount /dev/hdc/<lvm_home> /mnt/new_home
> >
> > cp -pRH /home/* /mnt/new_home
> >
> > mv /home /old_home
> >
> > Edit /etc/fstab to change values according to new configuration.
> >
> > Reboot.
> >
> > ( If your original / is not full, and is data can be moved to
> > /dev/hdc for a while, i would be nice to make / again under LVM, too ).
> >
> > HTH
> >
> > Regards
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > David Ballester Montolio
> > Responsable de Sistemas y Comunicaciones
> > Kern Pharma, S.L.
> > www.kernpharma.com
> >
> > GNU!
> >
> > |---------+------------------------------>
> > |
> > | | Charles Howse |
> > | | <chowse at charter.net|
> > | |
> > | | Enviado por: |
> > | | fedora-list-admin at r|
> > | | edhat.com |
> > | |
> > | |
> > | | 08/03/2004 17:40 |
> > | | Por favor, responda|
> > | | a fedora-list |
> > |
> > |---------+------------------------------>
> > |
> > >----------------------------------------------------------------------
> > >-------------------------------------------------------|
> > >
> > | Para: fedora-list at redhat.com
> > | | cc:
> > |
> > | | Asunto: renovate partitions
> > | without reinstalling
> > | |
> > |
> > >----------------------------------------------------------------------
> > >-------------------------------------------------------|
> >
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Hi,
> > I'm currently dual-booting winXP Pro and FC1, and the time has come to
> > free
> >
> > myself from Microsoft! (long pause while cheers and applause subside)
> >
> > I have a really, really, really great install of FC1 working now, and
> > prefer
> > not to do a complete reinstall.
> >
> > I've googled a bit and looked around on the LDP for a HOWTO, but haven't
> > found
> > anything acceptable.
> >
> > My current setup:
> > [root at moe root]# fdisk -l
> >
> > Disk /dev/hdc: 40.0 GB, 40020664320 bytes
> > 16 heads, 63 sectors/track, 77545 cylinders
> > Units = cylinders of 1008 * 512 = 516096 bytes
> >
> > Device Boot Start End Blocks Id System
> > /dev/hdc1 * 1 203 102280+ 83 Linux
> > /dev/hdc2 204 75465 37932048 83 Linux
> > /dev/hdc3 75466 77545 1048320 82 Linux swap
> >
> > Disk /dev/hda: 20.5 GB, 20525137920 bytes
> > 16 heads, 63 sectors/track, 39770 cylinders
> > Units = cylinders of 1008 * 512 = 516096 bytes
> >
> > Device Boot Start End Blocks Id System
> > /dev/hda1 * 1 39749 20033023+ 7 HPFS/NTFS
> >
> > Grub is installed in the MBR of /dev/hda.
> >
> > I would like to have the following new setup:
> > /boot, /, swap on /dev/hda
> > /home, /tmp, swap on /dev/hdc
> > Grub in the MBR of /dev/hda
> >
> > I have a good backup, and don't mind reinstalling if there's no other
> > option,
> > but I was wondering if anyone could give me a nudge in the right
> > direction?
> >
> > - --
> > Charles Howse
> > Jackson, TN
> > Registered Linux user # 347576 (http://counter.li.org)
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> >
> > --
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> > fedora-list at redhat.com
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- --
Charles Howse
Jackson, TN
Registered Linux user # 347576 (http://counter.li.org)
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