renovate partitions without reinstalling
thedogfarted
thedogfarted at inbox.lv
Mon Mar 8 20:04:51 UTC 2004
Sorry, english is not my native :)
Charles Howse wrote:
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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?
let it be filesystems. never heard about more filesystems on one
partition or one filesystem on many partitions
for example i had to move all data form /dev/hda6 (my previous /home) to
/dev/hda3 (newly created)
#mkdir /mnt/oldhome
#mkdir /mnt/newhome
#mount /dev/hda6 -t ext3 /mnt/oldhome
#mount /dev/hda3 -t ext3 /mnt/newhome
#cp -r /mnt/oldhome/* /mnt/newhome
>
>>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. :-)
>
probably i missed something there (as i said english is not my native,
it's quite hard to think in two languages :)
the idea was to move contents of /home that they reside on / of your
filesystem so you can mount it. If /dev/hdc2 was your / (and you have
copied it's contents to hda2) then you can do the following:
#mkdir /mnt/oldroot
#mount /dev/hdc2 -t ext3 /mnt/oldroot
delete all you have moved to hda2
#cp -r /home/* /
and delete the old home
#rm -rf /home
>>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
this is from my grub.conf, probably you won't use hdc for ide-scsi
>> 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-----
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>>>
>>>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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>>>
>>>--
>>>fedora-list mailing list
>>>fedora-list at redhat.com
>>>To unsubscribe: http://www.redhat.com/mailman/listinfo/fedora-list
>
>
> - --
> Charles Howse
> Jackson, TN
> Registered Linux user # 347576 (http://counter.li.org)
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