Re: 2GB limit on samba and nfs?

From: Wong Kwok-hon (kwokhon_at_gmail.com)
Date: 04/28/05

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    Date: Fri, 29 Apr 2005 05:28:09 +0800
To: For users of Fedora Core releases <fedora-list@redhat.com>

    On 4/29/05, Rick Stevens <rstevens@vitalstream.com> wrote:
    > Guy Fraser wrote:
    > > On Thu, 2005-28-04 at 13:56 -0500, Debbie Tropiano wrote:
    > >
    > >>Mike -
    > >>
    > >>Did you ever get a resolution for this? We're seeing similar problems
    > >>with two of our FC2 systems (2.6.6 kernel) interacting with each other
    > >>via NFS and/or with other systems (including Solaris). Our testing
    > >>shows that it's only a problem on two (of our five FC2 systems) and one
    > >>of them has a 3ware RAID card (the Escalade, not the newer 9000 series)
    > >>so I'm not sure if that's a factor.
    > >>
    > >>Could it be an NFS setting somewhere (the systems were installed from
    > >>the same media and should be setup very close to the same).
    > >>
    > >>We're pretty baffled by this problem, so any advice would be appreciated.
    > >>
    > >
    > >
    > > I regularly send files over 3GB to my FC3 machine running Samba.
    > > I am unable to send files over 4GB. For larger files I had been
    > > using an external Firewire drive formated with NTFS, but recently
    > > got "Putty" for my Windows machine and am using the SCP client
    > > {pscp} to transfer the files now.
    >
    > I think Windows (and hence Samba) shares are limited to 4GB because of
    > the 32-bit file pointer issue (using an int rather than a off_t). On
    > Linux, this limits programs to a 2GB file size, because it's a signed
    > int (2^31 = 2G). On Windows, I think they treat it as an unsigned int
    > (2^32 = 4G).
    >
    > Not all programs suffer from this--it depends on how they were built.
    > Apache, for example, has this issue with its log files. Why they
    > haven't fixed it yet, I don't know. It ain't rocket science.

    Do the Windows side is running NTFS file system ?

    Wong Kwok Hon 

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