[Samba] Re: 1MB/s gigabit transfers on dell poweredge

John H Terpstra - Samba Team jht at samba.org
Wed Mar 25 01:45:36 GMT 2009


Linda Walsh wrote:
> John Drescher wrote:
>> On Sat, Mar 14, 2009 at 1:52 PM, Ian McDonald <iam at st-andrews.ac.uk>
>> wrote:
>>> Raid 5 is not a good setup for performance...
>>>
>> Its not good for database performance and random small writes but it
>> shines in large file operations. Either way a 3 disk raid5 (software
>> or hardware) should be able to generate 100MB/s sustained on linux so
>> this probably is not an issue.
> -----
>     
>     Especially since John Terpstra's home setup uses a 4-disk RAID and
> gets up to 90MB xfers over CIFS.  (Is that with standard size network/TCP
> packetsizes?  Or anything non-default for tuning on that?) :-)
> 
> 

My TCP/IP is at default settings - no tuning at all.  It works well
enough that I can't be bothered with tuning.

Cheers,
John T.



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