[CentOS] 2 TB limit on a samba share

Monty Shinn montys at videopost.com
Fri Nov 6 16:36:42 UTC 2009


On 11/06/2009 10:24 AM, Steve Campbell wrote:
>
> Monty Shinn wrote:
>   
>> On 11/06/2009 09:17 AM, Steve Campbell wrote:
>>   
>>     
>>> Monty Shinn wrote:
>>>   
>>>     
>>>       
>>>> On 11/06/2009 09:04 AM, Steve Campbell wrote:
>>>>   
>>>>     
>>>>       
>>>>         
>>>>> I'm running a server with Centos 3 that I have set up a smbfs share to a 
>>>>> Buffalo LinkStation. The LS has 4 drives configured with RAID 5. Each 
>>>>> disk has 1 TB capacity, so the resulting drive is approximately 2.7 TB.
>>>>>
>>>>> When doing a df, the result shows 2 TB, and no used blocks. Is there 
>>>>> some setting I can change so that Centos sees and uses all 2.7 TB or 
>>>>> does Centos 3 not support this?
>>>>>
>>>>> Steve Campbell
>>>>>
>>>>> _______________________________________________
>>>>> CentOS mailing list
>>>>> CentOS at centos.org
>>>>> http://lists.centos.org/mailman/listinfo/centos
>>>>>   
>>>>>     
>>>>>       
>>>>>         
>>>>>           
>>>> Setting the blocksize did the trick for me.
>>>>
>>>> block size = 4096
>>>>
>>>> This goes in the "services" section, not global.
>>>>
>>>> i.e.:
>>>>
>>>> [xx-01]
>>>>         comment = xx-01
>>>>         path = /data-store
>>>>         valid users = xx
>>>>         read only = No
>>>>         block size = 4096
>>>>
>>>> Hope this helps.
>>>>
>>>> Monty
>>>>
>>>>
>>>>   
>>>>     
>>>>       
>>>>         
>>> I had googled and found something about that setting, but....
>>>
>>> Where exactly is this set? What file is that set in?
>>>
>>> Thanks for the fast reply.
>>>
>>> steve
>>>
>>> _______________________________________________
>>> CentOS mailing list
>>> CentOS at centos.org
>>> http://lists.centos.org/mailman/listinfo/centos
>>>   
>>>     
>>>       
>> It is set in the smb.conf file.  It is located under /etc/samba/.
>>
>> You will have to restart samba for the change to take place.  Do that by
>> issuing the following:
>>
>> /etc/init.d/smb restart.
>>
>> The setting is placed in the share definitions section, not in the
>> global settings where server level definitions are placed.
>>
>> See http://us1.samba.org/samba/docs/man/manpages-3/smb.conf.5.html for
>> more details.
>>
>> excerpt:
>>
>>
>>       block size (S)
>>
>>
>>     This parameter controls the behavior of smbd(8)
>>     <http://us1.samba.org/samba/docs/man/manpages-3/smbd.8.html> when
>>     reporting disk free sizes. By default, this reports a disk block
>>     size of 1024 bytes.
>>
>>     Changing this parameter may have some effect on the efficiency of
>>     client writes, this is not yet confirmed. This parameter was added
>>     to allow advanced administrators to change it (usually to a higher
>>     value) and test the effect it has on client write performance
>>     without re-compiling the code. As this is an experimental option it
>>     may be removed in a future release.
>>
>>     Changing this option does not change the disk free reporting size,
>>     just the block size unit reported to the client.
>>
>>     Default: //|block size|/ = |1024| /
>>
>>     Example: //|block size|/ = |4096|/
>>
>> Hope this helps.
>>
>> Monty
>>
>>   
>>     
> OK, now I'm even more confused. I'm not running smb at all now. The only 
> thing I do is mount the LinkStation using webmin as a smbfs system. It 
> shows up in my mount as an smbfs system using smbmount. The Centos box 
> is only acting as a client to the LinkStation, which is a Windows box 
> running samba shares. Does the smb.conf file control smbmount and smb 
> clients also.
>
> The link you provided seems to imply that smb.conf controls how the 
> machine works when it's a Samba server.
>
> Sorry to be so thick.
>
> steve
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>   

No, I may be the thick one here.

I thought you were using your Centos box as a server, not a client.  I
must have mis-read your original post.

Can't really help you much with the Buffalo box.

Sorry for sending you down a rabbit trail.

Monty


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