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Forum Topic - Large file support on qnx6 fs: (4 Items)
   
Large file support on qnx6 fs  
I am trying to test large file support (greater than 2GB) on QNX 6.4.1.  FIrst, I found that CIFS doesn't support large 
files so I couldn't copy the file over to my qnx6 target.  So I zipped up the large file and copied it over.  Then I use
 unzip to attempt to unzip the large file onto the qnx6 target.  It failed after it had extracted 2GB of the file, and 
gave this error message:

Write error (disk full?). Continue? (y/n)?

If you press ‘y’, it exits right away by reporting a CRC error.  Do these utilities support large files?  Are there 
any other utilities that will also have problems with large files?

Here is my unzip version:
# use -i /Development/unzip
NAME=unzip
DESCRIPTION=InfoZIP dearchiver
DATE=2009/05/20-17:14:32-EDT
STATE=stable
HOST=cctrunk
USER=builder
TAGID=166
VERSION=6.4.1

The fs-cifs version:
# use -i fs-cifs
NAME=fs-cifs
DESCRIPTION=Common Internet FileSystem (A.K.A. SMB) client
DATE=2009/05/20-17:18:04-EDT
STATE=stable
HOST=cctrunk
USER=builder
VERSION=6.4.1
TAGID=166

Rex
Re: Large file support on qnx6 fs  
On Mon, 24 Aug 2009, Rex Lam wrote:

>Date: Mon, 24 Aug 2009 20:19:07 -0400 (EDT)
>From: Rex Lam <community-noreply@qnx.com>
>Reply-To: post36588@community.qnx.com
>To: general-community <post36588@community.qnx.com>
>Subject: Large file support on qnx6 fs
>
> I am trying to test large file support (greater than 2GB) on QNX 6.4.1.
> FIrst, I found that CIFS doesn't support large files so I couldn't copy the
> file over to my qnx6 target.  So I zipped up the large file and copied it
> over.  Then I use unzip to attempt to unzip the large file onto the qnx6
> target.  It failed after it had extracted 2GB of the file, and gave this
> error message:
>
> Write error (disk full?). Continue? (y/n)?
>
> If you press ‘y’, it exits right away by reporting a CRC error.  Do
> these utilities support large files?  Are there any other utilities that will
> also have problems with large files?

I think I had used ftp from windows to push a 4G iso image over to a 6.4.1. 
target running with the qnx6 filesystem. I was successfully able to access
the ISO file on the other side.

I think there is also a method to format usb keys with NTFS under windows
which would/should allow you to then mount them on the qnx target as well
to copy the file off the target, but I'm not sure of the the steps required
on windows to enable that (all keys for me default to initializing with fat32)

A quick google search on NTFS format USB key seems to turn up some hits
that should get you going in the right direction.

Hope this helps.

Peter

>
> Here is my unzip version:
> # use -i /Development/unzip
> NAME=unzip
> DESCRIPTION=InfoZIP dearchiver
> DATE=2009/05/20-17:14:32-EDT
> STATE=stable
> HOST=cctrunk
> USER=builder
> TAGID=166
> VERSION=6.4.1
>
> The fs-cifs version:
> # use -i fs-cifs
> NAME=fs-cifs
> DESCRIPTION=Common Internet FileSystem (A.K.A. SMB) client
> DATE=2009/05/20-17:18:04-EDT
> STATE=stable
> HOST=cctrunk
> USER=builder
> VERSION=6.4.1
> TAGID=166
>
> Rex
>
>
>
> _______________________________________________
>
> General
> http://community.qnx.com/sf/go/post36588

Thanks,

Peter
RE: Large file support on qnx6 fs  

> -----Original Message-----
> From: Peter Martin [mailto:community-noreply@qnx.com]
> Sent: Tuesday, August 25, 2009 8:41 AM
> To: general-community
> Subject: Re: Large file support on qnx6 fs
> 
> On Mon, 24 Aug 2009, Rex Lam wrote:
> 
> >Date: Mon, 24 Aug 2009 20:19:07 -0400 (EDT)
> >From: Rex Lam <community-noreply@qnx.com>
> >Reply-To: post36588@community.qnx.com
> >To: general-community <post36588@community.qnx.com>
> >Subject: Large file support on qnx6 fs
> >
> > I am trying to test large file support (greater than 2GB) on QNX
> 6.4.1.
> > FIrst, I found that CIFS doesn't support large files so I couldn't
> copy the
> > file over to my qnx6 target.  So I zipped up the large file and
> copied it
> > over.  Then I use unzip to attempt to unzip the large file onto the
> qnx6
> > target.  It failed after it had extracted 2GB of the file, and gave
> this
> > error message:
> >
> > Write error (disk full?). Continue? (y/n)?
> >
> > If you press ‘y’, it exits right away by reporting a CRC error.  Do
> > these utilities support large files?  Are there any other utilities
> that will
> > also have problems with large files?

I`m assuming most utility have no support for large files, for some this may have no impact but for other it could.  If 
they are using lseek instead of lseek64 for example.
Re: RE: Large file support on qnx6 fs  
Peter and Mario,

Thank you for your help.  I will try ftp and go from there.

Rex