Compute the real total size of a partition formated in EXT3
Stephane Cerveau
scerveau at awox.com
Mon Feb 7 14:45:17 UTC 2011
Dear All,
In order to have a real percentage of freespace for a user interface, I'm trying to compute the size available on a 4GB USB key formatted in Ext3. Indeed after format, when I ask df to give a summary of size, it tells that there is 75MB already used.
I would like to know the meaning of this 75MB ( is it the journal??) and especially how I can compute this when I want, whithout parsing the partition and the size of the file(s).
/dev/sda1 3.7G 71.5MB 3.4G 2% /mnt/internal
Best regards.
Stéphane Cerveau
Software Engineer
scerveau at awox.com<mailto:scerveau at awox.com>
Phone: +33 4 99 53 27 39
93, Pierre Duhem
34000 Montpellier
FRANCE
Phone: +33 4 67 47 10 00
Fax: +33 4 67 47 10 15
cid:069332510 at 17112008-1528
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