On 11/10/2014 08:18 AM, Darac Marjal wrote:
On Mon, Nov 10, 2014 at 04:31:53AM +0000, Juan R. de Silva wrote:
Hi folks,
I've purchased a new WD Passport 2T USB hard drive, which, no doubts,came
formated NTFS. I've used GParted to quickly format the drive to Ext4 and
results surprised me quite a bit (all results as reported by GParted):
File system NTFS
----------------
Total capacity - 1.82 TiB
Used by file system - 122.66 MiB (?)
This will be space taken up by the MFT, the journal and other file
accounting structures.
File system Ext4
----------------
Total capacity - 1.82 TiB
Used by file system - 29.42 GiB (?)
This will be the space taken up by the superblocks, presumably. This
isn't the "5% reserved" space, which for that drive would be about 93.18
GiB.
I think the problem is that ext4 makes copies of it's superblock every
so often throughout a drive. The bigger the drive, the more copies it
makes.
You could try formatting as XFS or BtrFS and see if the space used is
any better.
....
Look at "man mkfs.ext4" for configuration options.
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