On Wed, Apr 13, 2011 at 12:15 AM, Ali Lown <ali@lown.me.uk>
wrote:> I am using btrfs-progs latest git head in gentoo, along with a 2.6.37
kernel.
> I am unable to resize the filesystem online (or offline - though that
> doesn''t seem to be an option).
>
> with brtfs:
>
---------------------------------------------------------------------------------------------------------------
> alipc-gentoo% sudo btrfs filesystem resize +20g ~/.wine/drive_c
> Resize ''/home/ali/.wine/drive_c'' of
''+20g''
> ERROR: unable to resize ''/home/ali/.wine/drive_c''
>
---------------------------------------------------------------------------------------------------------------
>
> with btrfs-ctl:
>
---------------------------------------------------------------------------------------------------------------
> alipc-gentoo% sudo btrfsctl -r +20g ~/.wine/drive_c
> ioctl:: File too large
>
---------------------------------------------------------------------------------------------------------------
>
> fdisk -l of the the drive that partiion is on (sda9 = ~/.wine/drive_c):
>
---------------------------------------------------------------------------------------------------------------
> Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
> 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
> Units = sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disk identifier: 0x000e3826
> Device Boot Start End Blocks Id System
> /dev/sda1 63 1953520064 976760001 5 Extended
> /dev/sda5 1009797705 1953520064 471861180 83 Linux
> /dev/sda6 642391218 1009797704 183703243+ 83 Linux
> /dev/sda7 189 41945714 20972763 7 HPFS/NTFS
> /dev/sda8 41945778 104856254 31455238+ 83 Linux
> /dev/sda9 104856318 209712509 52428096 83 Linux
> /dev/sda10 386250858 468166229 40957686 83 Linux
> Partition table entries are not in disk order
>
---------------------------------------------------------------------------------------------------------------
> For help in comprehending this, here is an image from gparted:
> http://img833.imageshack.us/i/gpartedd.png/
>
> Apart from the hideous numbering and arrangement - I used gparted, and
> made it up gradually, as and when I needed partitions.
> In short for sda9, it is a logical partition inside an extended
> partion (sda1), and has approximately 85GB of unpartioned space
> (inside the extended partition) following it, into which I would like
> to resize it.
> Thanks.
> -Ali
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>
btrfs resizing (like resize2fs) does not manipulate the size of partitions.
First, you need to expand the partition using fdisk or gparted.
Afterwards you can use "btrfs filesystem resize max ~/.wine/drive_c"
to grow the filesystem to the size of the partition.
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