[Samba] Performance problem with file > 2Gb

Marcello Romani mromani at ottotecnica.com
Tue Jul 17 06:19:23 GMT 2007

Adam Tauno Williams ha scritto:
>>>>> There are some problems to transfer big file over 2Gb, It is a filesize 
>>>>> limitation of samba.
>>>> I just transfered a 2,8 GB file with smbclient and got ~60 MB/s.
>>> Right, large files work fine;  the hardware is dorked, something badly
>>> misconfigured, or extremely untuned.  I see mention of IDE and that is
>>> always my first guess.  But I doubt it is a Samba issue.  Try the same
>>> thing with local files and see what happens.
>> The OP did not mention IDE. I also doubt a 8x500GB under hardware raid 5 
>> uses ide drives...
>> But this is not the problem I think.
> "8x 500Gb raid 5 via 3ware Raid Controller"
> 3ware almost certainly means IDE (SATA is IDE),  but they also make PATA
> RAID controller.

Ouch, you're right, I'll write "google before opening your mouth" 100 
times on the blackboard ;-)

>> I suggest trying to transfer the same files via ftp or scp (e.g. using 
>> WinSCP client), to assure that the server hardware / network equipment 
>> is OK, then, if the slowdown is seen _only_ using samba shares, do a 
>> search in the mailing archives.
>> I know it's not much, but HTH nonetheless.

Marcello Romani
Responsabile IT
Ottotecnica s.r.l.

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