On 12/09/2013 11:11 PM, John Jason Jordan wrote:
> On Mon, 09 Dec 2013 21:51:14 -0800
> Dick Steffens <[email protected]> dijo:
> 
>> On 12/09/2013 09:32 PM, John Jason Jordan wrote:
>>> I have been configuring my new System76 Bonobo Extreme computer. In
>>> the process I have moved all the distro ISOs that I keep for the
>>> Clinic. To be sure that I have all of them properly moved to the new
>>> computer I right clicked on each folder to check its properties,
>>> which tells me how many files and the total size of the folder. For
>>> some reason the files appear to have grown during the move:
>>>
>>>                     Old             New
>>> Debian              10.9GB  11.7GB
>>> DSL         49.9MB  52.3MB
>>> Fedora              15.7GB  16.8GB
>>> Knoppix             701MB   735MB
>>> Mint                        9.2GB   9.9GB
>>> Puppy               156MB   163.7MB
>>> Ubuntu              52.2GB  56.0GB
>>>
>>> I find this very strange. Does anyone have any idea why this should
>>> be?
>>
>> I may be totally in left field, but I have a recollection about block 
>> sizes being somewhat arbitrary from one distro to another. Could that 
>> account for the difference?
> 
> It's a good theory. The old computer had a 320 GB hard disk and the new
> one has a 1 TB hard disk. I suppose it's possible that they have
> different block sizes. 

The file size reported will depend on hard drive format (ext2/3/4 etc),
number of partitions, sector/block/inode size chosen.  Most of us will
just select the defaults when formatting, so for your drives
sector/block/inodes sizes can be different.

Rather than file sizes, use md5sum on the data to help verify a proper copy.

-Ed
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