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Old 11-24-2005, 04:30 PM   #1
Tsuroerusu
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Lots of disk space missing


After using computers since I was four years old I do know that the drive manufacturers promotes the decimal size (1000 MB -> 1 GB) of a drive and not the binary size (1024 MB -> 1 GB), on Linux, ext3, my 250 GB drive shows up as something around 232 GB, on FreeBSD, ufs, it shows up as 225 GB. So far that's normal but what I don't understand is when I check the total size of every file on my 250 GB (232 GB) drive it says that they all take up 70 MB, and yet Konqueror reports that 9% of the drive is used and only 207 GB is free.

WTF is going on? Is this normal? Over 10 GB is missing!
 
Old 11-24-2005, 04:48 PM   #2
Gkarfield
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hi

my disk is 80gb, but under any os, it says that is 76.3 gb

the manufacturer says in bytes, but the os does the /1024/1024 count . its 101010 style, on/of
binary stuff, so 2^10 = a 1K
 
Old 11-24-2005, 05:07 PM   #3
Tsuroerusu
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Quote:
Originally posted by Gkarfield
hi

my disk is 80gb, but under any os, it says that is 76.3 gb

the manufacturer says in bytes, but the os does the /1024/1024 count . its 101010 style, on/of
binary stuff, so 2^10 = a 1K
Yeah, that's what I'm saying, 76 GB is indeed normal for a 80 GB drive, but I've never seen a 250 GB drive only have 207 GB available.
 
Old 11-25-2005, 02:49 AM   #4
Gkarfield
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hello,

FreeBSD says that the disk has another geometry than (I dont remember witch than).
I miss also about 5gb.
dont forget the swap (it does not show up)
bye
 
Old 11-25-2005, 03:21 AM   #5
Tsuroerusu
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Quote:
Originally posted by Gkarfield
hello,

FreeBSD says that the disk has another geometry than (I dont remember witch than).
I miss also about 5gb.
dont forget the swap (it does not show up)
bye
I use a WD Raptor for my system drive and I've sliced and diced it into this layout:

512M - /
2048M - swap
512M - /var
1024M - /tmp
ROD - /usr

ROD = Rest Of Drive

And then I have a 250 GB Seagate drive for /home, and it's the FreeBSD partition (/dev/ad6s1d) that seem to have 225 GBs and for some reason Konqueror reports that only 207 GB is available.
 
Old 11-25-2005, 06:06 AM   #6
tanked
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By default FreeBSD reserves 8% of the disk space for performance reasons.

From 'man tunefs'

-m minfree
Specify the percentage of space held back from normal users; the
minimum free space threshold. The default value used is 8%.
Note that lowering the threshold can adversely affect perfor-
mance:
 
Old 11-25-2005, 07:08 AM   #7
Tsuroerusu
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Thanks a lot man, you got me out of my confusion!

If I can ask a favor of you, could you check this thread out: http://www.bsdforums.org/forums/showthread.php?t=36817
I think that's the last thing that holds me back from finishing my move to FreeBSD.

Last edited by Tsuroerusu; 11-25-2005 at 07:14 AM.
 
Old 11-25-2005, 07:29 AM   #8
tanked
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I had a problem with my 250GB Maxtor hard drive; whenever my FreeBSD box was shutdown improperly I had to reformat the drive because the partition was irreparably damaged. Even though I could format the drive and all my diagnostic utilities told me the drive was OK, I only solved the problem when I replaced it with another hard disk, so don't be so certain that your hard disk is not faulty.
If you're 100% certain that your disk is not faulty then all I can suggest is to check the cables.
 
  


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