Re: Re (3): Apparent disagreement between df and cp.

2012-06-30 Thread Chris Davies
Keith McKenzie  wrote:
> It was about cp reporting 'no space left on device', whilst df said that
> there was space available.

The OS reported "No space left on device" (or more accurately, errno 28:
ENOSPC) to cp. Rather than trying to guess whether this really meant
what it said or whether it was using its alternative meaning, cp simply
passed this on to the user.

Chris


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Re: Re (3): Apparent disagreement between df and cp.

2012-06-30 Thread Keith McKenzie
On 29 June 2012 23:41, Doug  wrote:

> On 06/29/2012 05:29 PM, peasth...@shaw.ca wrote:
>
>> From:   Dom
>> Date:   Thu, 28 Jun 2012 16:02:45 +0100
>>
>>> Ok, I've just tested this. It is a FAT filesystem limitation.
>>>
>> /snip/
>
> I've looked at this thread a number of times, but I was then and
> still am puzzled.  According to "Linux in a Nutshell," by Siever, et al,
> cp is a copy command that applies to files or directories, and
> none of the options mentions determining the size of a file-
> system or the remaining space therein.  Please advise.
>
> --doug
>
>
It was about cp reporting 'no space left on device', whilst df said that
there was space available.

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Debian GNU/Linux


Re: Re (3): Apparent disagreement between df and cp.

2012-06-29 Thread Doug

On 06/29/2012 05:29 PM, peasth...@shaw.ca wrote:

From:   Dom
Date:   Thu, 28 Jun 2012 16:02:45 +0100

Ok, I've just tested this. It is a FAT filesystem limitation.

/snip/

I've looked at this thread a number of times, but I was then and
still am puzzled.  According to "Linux in a Nutshell," by Siever, et al,
cp is a copy command that applies to files or directories, and
none of the options mentions determining the size of a file-
system or the remaining space therein.  Please advise.

--doug


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Re (3): Apparent disagreement between df and cp.

2012-06-29 Thread peasthope
From:   Dom 
Date:   Thu, 28 Jun 2012 16:02:45 +0100
> Ok, I've just tested this. It is a FAT filesystem limitation.

Nice analysis!

> On FAT12 (and FAT16, iirc) there is a limit of 512 files in the root 
> directory. Other directories don't have this limit.

I found additional information here.
http://en.wikipedia.org/wiki/Long_filename#Limitations
http://technet.microsoft.com/en-us/library/cc940351

> Try creating a subdirectory on that drive and storing the files in there 
instead.

That works in Debian.

peter@dalton:/media/4345-A417/Files$ for i in $(seq 1 255);do touch 
Longfilename $i;done
peter@dalton:/media/4345-A417/Files$ ls *25*
Longfilename125  Longfilename250  Longfilename253
Longfilename225  Longfilename251  Longfilename254
Longfilename25   Longfilename252  Longfilename255

Thanks!... Peter E.

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