[TriLUG] Resizing partition with ext3 file system

[Ian Kilgore]

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Well I was making mine smaller, so it was a bit different.  I used
resizereiserfs to make it smaller, then I used fdisk to resize the
partition.  I screwed up on the size of the partition (the partition,
not the filesystem, I made it too small), so I just went and fdisk'ed
again and got the right size.

Rick DeNatale wrote:
| I was going the other way. I made the partition bigger but kept it at
| the same starting cylinder. As I understood it all the partition table
| does is define where the partition starts and ends, and some other
| attributes like whether it's bootable or not. The data isn't changed.
| The filesystem formatting is all relative to the starting cylinder of
| the partition.
|
| I still don't know what happened.
|
| Before I had this:
|
| /dev/hdc1 start=x, end=y
| /dev/hdc2  start=y+1, end =z
| freespace start=z+1, end=end of disk
|
| after fdisk I had
| /dev/hdc1 start=x, end=y
| /dev/hdc2  start=y+1, end =end of disk
|
| then I did the resize2fs, and all hell broke loose.
|
|
| On Mon, 24 Jan 2005 16:03:13 -0500, Ian Kilgore <ian at trilug.org> wrote:
|
| | Umm there is a difference.  If you are NOT using LVM them Jason's case
| | does not apply and I am not sure that deleting the partition with fdisk
| | will work...  I think that once you fry the partition table and inode
| | relationship that you are out of luck.
|
| Not quite.  I did this about a month ago (it was reiserfs, but it still
| applys), by resizing the actual filesystem with resizereiserfs or
| reiserfsresize (dont quite remember =]), and then deleting and
| recreating the partition with fdisk.  Worked fine.
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