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Groups > comp.sys.mac.system > #71823 > unrolled thread

why does cloned mavericks drive use 5 gb less space than the original?

Started byBill F <anon@anonumost.org>
First post2015-03-22 14:26 -0400
Last post2015-03-23 16:18 -0700
Articles 2 on this page of 22 — 11 participants

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  why does cloned mavericks drive use 5 gb less space than the original? Bill F <anon@anonumost.org> - 2015-03-22 14:26 -0400
    Re: why does cloned mavericks drive use 5 gb less space than the original? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-03-22 14:48 -0400
      Re: why does cloned mavericks drive use 5 gb less space than the original? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-03-23 18:29 +0000
    Re: why does cloned mavericks drive use 5 gb less space than the original? Your Name <YourName@YourISP.com> - 2015-03-23 09:13 +1200
      Re: why does cloned mavericks drive use 5 gb less space than the original? dempson@actrix.gen.nz (David Empson) - 2015-03-23 09:58 +1300
    Re: why does cloned mavericks drive use 5 gb less space than the original? dempson@actrix.gen.nz (David Empson) - 2015-03-23 09:27 +1300
    Re: why does cloned mavericks drive use 5 gb less space than the original? tmo1138 <tmo1138@tmo1138.com> - 2015-03-22 21:44 +0000
      Re: why does cloned mavericks drive use 5 gb less space than the original? billy@MIX.COM - 2015-03-22 22:30 +0000
    Re: why does cloned mavericks drive use 5 gb less space than the original? Jolly Roger <jollyroger@pobox.com> - 2015-03-22 23:49 +0000
      Re: why does cloned mavericks drive use 5 gb less space than the original? JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-03-22 20:35 -0400
        Re: why does cloned mavericks drive use 5 gb less space than the original? Jolly Roger <jollyroger@pobox.com> - 2015-03-23 01:21 +0000
        Re: why does cloned mavericks drive use 5 gb less space than the original? dempson@actrix.gen.nz (David Empson) - 2015-03-23 14:41 +1300
          Re: why does cloned mavericks drive use 5 gb less space than the original? nmassello@yahoo.com (Neill Massello) - 2015-03-22 20:23 -0600
        Re: why does cloned mavericks drive use 5 gb less space than the original? Lewis <g.kreme@gmail.com.dontsendmecopies> - 2015-03-23 18:30 +0000
    Re: why does cloned mavericks drive use 5 gb less space than the original? Bill F <anon@anonumost.org> - 2015-03-22 20:40 -0400
      Re: why does cloned mavericks drive use 5 gb less space than the original? dempson@actrix.gen.nz (David Empson) - 2015-03-23 14:41 +1300
        Re: why does cloned mavericks drive use 5 gb less space than the original? nmassello@yahoo.com (Neill Massello) - 2015-03-22 20:23 -0600
          Re: why does cloned mavericks drive use 5 gb less space than the original? Bill F <anon@anonumost.org> - 2015-03-26 03:00 -0400
            Re: why does cloned mavericks drive use 5 gb less space than the original? Electric Comet <electric-comet@mail.invalid> - 2015-03-27 20:56 -0700
              Re: why does cloned mavericks drive use 5 gb less space than the original? Jolly Roger <jollyroger@pobox.com> - 2015-03-28 21:07 +0000
    Re: why does cloned mavericks drive use 5 gb less space than the original? me@home.spamsucks.ca (Király) - 2015-03-23 02:34 +0000
    Re: why does cloned mavericks drive use 5 gb less space than the original? Electric Comet <electric-comet@mail.invalid> - 2015-03-23 16:18 -0700

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#71899

Fromme@home.spamsucks.ca (Király)
Date2015-03-23 02:34 +0000
Message-ID<menu45$onq$1@dont-email.me>
In reply to#71823
Bill F <anon@anonumost.org> wrote:
> I make a bootable backup of my 120gb MBA SSD to a 120gb external drive 
> partition.  The SSD then reports 7gb free space and the external drive 
> reports 12gb free.  When I compare all folder sizes their total is 
> within 500mb of each other.  I can't understand why the clone has so 
> much more free space than the original.  All trashes are empty on both 
> drives.  

How much RAM do you have and what version of OS X are you running? When 
I was running 10.10 with 4GB of RAM, my virtual memory swap files grew 
to several GB in size. SuperDuper doesn't copy those.

-- 
K.

Lang may your lum reek.

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#71985

FromElectric Comet <electric-comet@mail.invalid>
Date2015-03-23 16:18 -0700
Message-ID<meq6vg$c3i$2@dont-email.me>
In reply to#71823
On Sun, 22 Mar 2015 14:26:46 -0400
Bill F <anon@anonumost.org> wrote:

> I make a bootable backup of my 120gb MBA SSD to a 120gb external
> drive partition.  The SSD then reports 7gb free space and the
> external drive reports 12gb free.  When I compare all folder sizes
> their total is within 500mb of each other.  I can't understand why
> the clone has so much more free space than the original.  All trashes
> are empty on both drives.  


Sparse files or
block size difference between devices

















 

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