Ubuntu 12.04 LTS, all updates current as of 7/3/2012

gksudo gparted
Shrink /dev/sda2 from 367GB to 307GB

GParted 0.11.0 --enable-libparted-dmraid



Libparted 2.3



Shrink /dev/sda2 from 367.00 GiB to 307.00 GiB  00:32:57    ( ERROR )



calibrate /dev/sda2  00:00:00    ( SUCCESS )



path: /dev/sda2

start: 20,484,096

end: 790,142,975

size: 769,658,880 (367.00 GiB)

check file system on /dev/sda2 for errors and (if possible) fix them  00:00:53    ( SUCCESS )



ntfsresize -P -i -f -v /dev/sda2



ntfsresize v2012.1.15AR.1 (libntfs-3g)

Device name : /dev/sda2

NTFS volume version: 3.1

Cluster size : 4096 bytes

Current volume size: 394065338880 bytes (394066 MB)

Current device size: 394065346560 bytes (394066 MB)

Checking for bad sectors ...

Checking filesystem consistency ...

Accounting clusters ...

Space in use : 327950 MB (83.2%)

Collecting resizing constraints ...

Estimating smallest shrunken size supported ...

File feature Last used at By inode

$MFT : 389998 MB 0

Multi-Record : 394061 MB 386464

$MFTMirr : 314823 MB 1

Compressed : 394064 MB 1019521

Sparse : 330887 MB 752454

Ordinary : 393297 MB 706060

You might resize at 327949758464 bytes or 327950 MB (freeing 66116 MB).

Please make a test run using both the -n and -s options before real resizing!

shrink file system  00:32:04    ( ERROR )



run simulation  00:32:04    ( ERROR )



ntfsresize -P --force --force /dev/sda2 -s 329640837119 --no-action



ntfsresize v2012.1.15AR.1 (libntfs-3g)

Device name : /dev/sda2

NTFS volume version: 3.1

Cluster size : 4096 bytes

Current volume size: 394065338880 bytes (394066 MB)

Current device size: 394065346560 bytes (394066 MB)

New volume size : 329640829440 bytes (329641 MB)

Checking filesystem consistency ...

Accounting clusters ...

Space in use : 327950 MB (83.2%)

Collecting resizing constraints ...

Needed relocations : 13300525 (54479 MB)

Schedule chkdsk for NTFS consistency check at Windows boot time ...

Resetting $LogFile ... (this might take a while)

Relocating needed data ...

Updating $BadClust file ...

Updating $Bitmap file ...

ERROR(5): Could not map attribute 0x80 in inode 1667593: Input/output error

========================================

Windows has run chkdsk successfully (on boot) several times now