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Re: libparted and ext2
From: |
B.Hakvoort |
Subject: |
Re: libparted and ext2 |
Date: |
Tue, 31 Aug 2004 01:00:20 +0200 |
On Mon, 2004-08-30 at 23:59, Andrew Clausen wrote:
> There shouldn't be any difference in this respect between earlier
> versions and 1.6.12. Can you reproduce any difference?
>
So nothing has changed in that code? weird, i was quite sure about it..
> libparted does cylinder alignment stuff if it can. If you want to
> force a particular size, then use ped_constraint_exact(), or use your
> own custom constraint.
I'll try this then. Are there any disadvantages to
ped_constraint_exact() ?
>
> > - When i create a ext2 partition with fdisk and mke2fs, libparted can't
> > resize it. It throws something like: "this filesystem has a rather
> > strange layout, parted cannot resize this (yet)"
> > Is this known behaviour? or is it just my machine behaving strange?
>
> Known behaviour. The current ext2 resizer is very old. It should
> replaced with e2fsprogs. (Issues: e2fsprogs doesn't have a library
> interface - it can only work on devices you feed it; error handling
> would be painful)
ok, ic.. Maybe Christian and i can do something about this in the
future, who knows :)
> > - when i resize an empty ext2 partition from a rather small size to a
> > much bigger size, say from 1500 to 25000 MB, the "used space" (it's just
> > created :S) grows *a lot*. Why is this?
>
> How much? I'd expect used space to grow a fair bit because of all
> the metadata - inode tables, block/inode bitmaps, backup superblocks,
> etc.
Trying it now.
------------------
create new partition of 1500MB.. (94MB used, thats 6%)
resizing to 25000MB... (1564MB used, thats 6%)
------------------------
create new partition of 314MB.. (20MB used, thats 6%)
resizing to 39080MB... (2425MB used, thats 6%)
-------------------
It seems consistent behaviour, my apologies :^)
Another small thingy, since 1.6.12 (this time i'm sure!) i have this
warning on my primary disk ("Can't have overlapping partitions" ) The
partitions are definitly not overlapping so i'm curious where this comes
from.
Maybe it has something to do with having an ntfs partition on this disk?
Regards,
Bart
>
>
> Cheers,
> Andrew
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