how to resize partation
Robert Locke
lists at ralii.com
Sat Jul 15 13:02:15 UTC 2006
On Sat, 2006-07-15 at 08:30 -0400, Steven W. Orr wrote:
> On Saturday, Jul 15th 2006 at 13:43 +0530, quoth Ankush Grover:
>
> =>On 7/15/06, yogesh at banasdairy.coop <yogesh at banasdairy.coop> wrote:
> =>> i have a one partation
> =>>
> =>> /dev/hda1 10 GB 5 GB(used) 5 GB(free)
> =>> /dev/hda2 20 GB 7 GB(used) 13 GB(free)
> =>>
> =>> i want to resize partion such that
> =>> /dev/hda1 15 GB 5 GB(used) 10 GB(free)
> =>> /dev/hda2 15 GB 7 Gb(used) 8 GB(free)
> =>>
> =>hey,
> =>
> =>Somebody asked this before also here is the thread.
> =>
> =>http://www.redhat.com/archives/fedora-list/2006-May/msg02189.html
>
>
> I need to explain something. The resizefs utility doesn't work. It may
> work in some sort of highly rarified environment, but the fact is that it
> won't even try on ext2 filesystems when the fs has flags in use that are
> used by everyone. IOW, if the filesystem were to be created without any of
> the flags then it might work. But the presence of the flags prevents the
> use of the utility and files in the filesystem prevent the removal of the
> flags.
Umm, I think you are confusing the "resize2fs" utility and the various
derivatives of "parted".... It is "parted" that cannot handle some of
the newer flags applied to ext3 filesystems, like "sparse_super"....
"resize2fs" is one of the utilities that we use to resize filesystems
with LVM (or "ext2online").... It tends to work more often than not,
but does require a full e2fsck prior to "shrinking"....
The real problem for the OP, is to:
1) Shrink the second partition/filesystem
2) Move it to the end of the old range (leaving a gap between
partitions)
3) Grow the first partition/filesystem (utilizing the gap)
All of this is more involved than should be normally attempted,
particularly since the OP is confusing terms like "partition" and
"disk". So I would agree with your later recommendation to backup,
recreate, restore....
--Rob
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