Re: Large hard disk confusion

From: Ron Johnson (ron.l.johnson_at_cox.net)
Date: 02/06/05

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    To: Debian-User <debian-user@lists.debian.org>
    Date: Sun, 06 Feb 2005 08:24:25 -0600
    
    
    

    On Sun, 2005-02-06 at 10:44 +0100, Marcus Lundblad wrote:
    >
    > On Sun, 6 Feb 2005, Brian Clark wrote:
    >
    > > I just installed sarge on a 160 GB hard disk. Partitions are 2GB swap,
    > > 50 MB /boot, and the rest for /.
    > >
    > > ~$ df -ahT
    > > Filesystem Type Size Used Avail Use% Mounted on
    > > /dev/hda3 ext3 145G 230M 138G 1% /
    > > proc proc 0 0 0 - /proc
    > > devpts devpts 0 0 0 - /dev/pts
    > > tmpfs tmpfs 443M 0 443M 0% /dev/shm
    > > /dev/hda1 ext3 45M 9.3M 33M 23% /boot
    > > usbfs usbfs 0 0 0 - /proc/bus/usb
    > >
    > > My question is, why is hda3 only showing as 145 GB? Surely ext3 isn't
    > > taking up gigabytes worth of journal information?
    >
    > I think it's common that "160 GB" means 160000000000 bytes when
    > manufactures defines harddrive space.
    > And 160 "real" GB is 201997680640

    160 GiB = 171,798,691,840
    160 GB = 160,000,000,000

    If OP would read the fine print on his hard drive, he would see
    that the manufacturer clearly specifies that GB == 1,000,000,000,
    i.e. 10^9, *not* 2^30.

    http://physics.nist.gov/cuu/Units/binary.html

    -- 
    -----------------------------------------------------------------
    Ron Johnson, Jr.
    Jefferson, LA USA
    PGP Key ID 8834C06B I prefer encrypted mail.
    Welfare Democracies will only work, in the long term, if the
    "recipients" of the wealth given to them by the earners use that
    wealth to become earners themselves. Unfortunately, only a small
    % of "recipients" seem to be availing themselves of the
    opportunity.
    
    

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