[Samba] Re: Questions about file system support in Samba

[Gil Freund]

Hibbard Smith wrote:
> I tried to access these shares from Windows XP Pro SP2 and got identical
> results.  Ext3 filesystems smaller than 2 GB work fine.  Anything bigger
> than 2 GB and xfs filesystems of any size fails. 

We have a 1.1TB ReiserFS file system shared. Debian and Samba 3.0.20.

> 
> I guess I'm going to have to resort to reading code, posting on bugzilla as
> a bug and maybe switching to a Windows based server.  I really need to get
> this system up and doing its intended job.
> 
> I'd really like to hear from someone that they are actually exporting ext3
> filesystems larger than 2 GB and xfs filesystems and it's working.  If
> they're doing so with the Fedora core 4 release, that would definitely point
> to something strange here.  
> 
> Smitty
> Hibbard T. Smith, JR
> smitty at essnjay.com
>  
> 
>> -----Original Message-----
>> From: samba-bounces+smitty=essnjay.com at lists.samba.org [mailto:samba-
>> bounces+smitty=essnjay.com at lists.samba.org] On Behalf Of Craig White
>> Sent: Saturday, February 04, 2006 12:29 PM
>> To: samba at lists.samba.org
>> Subject: Re: [Samba] Questions about file system support in Samba
>>
>> On Sat, 2006-02-04 at 12:00 -0500, Hibbard Smith wrote:
>>> I'm a relative newcomer to Samba, but very experienced with computers
>> and
>>> linux.  I'm attempting to build a file/backup server for a small shop.
>> I'm
>>> using Fedora core 4 and samba on a system with a 2.1 TB RAID 50 array
>>> formatted as 1 very large xfs partition.  I want to share directories
>>> (folders) within the partition with a few Windows XP-Pro SP2 systems
>> which
>>> are our primary work-stations.  Currently I'm running samba-3.0.21b.  I
>>> started with the 3.0.14 that was released with FC4, but upgraded to the
>>> "latest and greatest" when I couldn't make the original work correctly.
>> The
>>> kernel has also been upgraded to the Fedora released 2.6.14.1-1656-FC4-
>> SMP.
>>>
>>>
>>> Our business is primarily imaging and video.  A large percentage of our
>>> files are over 2 GB with some way over that.  Therefore, the only way
>> this
>>> could be useful is with very large shared file systems.
>>>
>>>
>>>
>>> Here are the issues and my questions:
>>>
>>>
>>>
>>> When I try to share this large partition (2.1 TB xfs) and use smbclient
>> to
>>> access it, the log records an error which states that "the share doesn't
>>> exist or can't be accessed The error was access denied". I've made the
>> share
>>> mode 0777 just to make sure permissions wouldn't get in the way.  If I
>> move
>>> the share to an ext3 file system that's smaller than 2 GB it works
>>> correctly.  Any file system over 2 GB or any size xfs file system
>> produces
>>> the error.  I haven't even tried to access the shares from a Windows
>> system
>>> yet, I'm just using smbclient on the Fedora system.  I'm pretty sure
>> I've
>>> got the config and permissions right because just changing the share to
>> an
>>> ext3 file system under 2 GB works fine.
>>>
>>>
>>>
>>> So, here's my question(s):
>>>
>>>
>>>
>>> 1)       Does samba work with xfs file systems?
>>>
>>>
>>>
>>> 2)       Does samba work with large file systems (2 GB +)?
>>>
>>>
>>>
>>> 3)       If the answer to the above is yes, what might I be doing wrong?
>>>
>>>
>>>
>>> I haven't been able to find limits documented anywhere.  However, I see
>> a
>>> great deal of discussion on the web about files over 2 GB along with
>>> suggestions that they work fine.  This would imply that file systems of
>> over
>>> 2 GB must work okay.  I've also seen much discussion which would suggest
>>> that xfs works fine also.  All this discussion seems to indicate that
>> I've
>>> got something wrong.  I'm just not sure what it is or how to proceed.  I
>>> have turned samba debugging up and the logs show that the correct
>> user/group
>>> is being used and that case is working okay. So, I'm really confused and
>> I
>>> sure would appreciate any help.  I really need to get this done and I
>> don't
>>> like the alternative (Windows Server 2003).
>>>
>> ----
>> I don't use smbclient much at all but am of the belief that smbclient
>> application would use an smbfs type mount and my understanding is that
>> an smbfs mount would error on files > 2Gb whereas the cifs mount would
>> not.
>>
>> samba should have no problems with filesystem of that size.
>>
>> Craig
>>
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>