[Samba] Perf enhancements in Samba4.1 related to SMB2.1 / SMB3.0 protocol
Osanai, Hisashi
osanai.hisashi at jp.fujitsu.com
Tue Apr 29 23:28:25 MDT 2014
Hi,
I'm interested in this topic so I checked the current status for supporting SMB3.0 spec
from the codes and the Samba wiki.
But I could not find out latest plans (schedule) for supporting each functions.
Could you please advise me how to find out those kind of the information?
Summary:
(1) SMB Transparent Failover
No implementation in 4.1.6.
(2) SMB Scale-Out
No implementation in 4.1.6.
(3) SMB Multichannel
No implementation in 4.1.6.
(4) SMB Direct
No implementation in 4.1.6.
(5) Performance Counters for server applications
I think this is a functionality which build in Windows.
(6) Performance optimizations
There is an implementation for large MTU.
(7) SMB-specific Windows PowerShell cmdlets
I think this is a functionality which build in Windows.
(8) SMB Encryption
There is an implementation in 4.1.6.
(9) SMB Directory Leasing
No implementation in 4.1.6.
(10) Offload Data Transfers
No implementation in 4.1.6.
(11) SMB Remote File Shares
I don't understand the relationship b/w this function and SMB spec.
(12) VSS for SMB File Shares
I don't understand the relationship b/w this function and SMB spec.
(*1) From (1) to (9), I picked functions from the following:
http://technet.microsoft.com/en-us/library/hh831795.aspx
(*2) From (10) to (12), I picked these functions with a Japanese site.
Sorry I could not find out it written in English.
(*3) Samba wiki
https://wiki.samba.org/index.php/Samba3/SMB2
Best Regards,
Hisashi Osanai
-----Original Message-----
From: samba-bounces at lists.samba.org [mailto:samba-bounces at lists.samba.org] On Behalf Of Volker Lendecke
Sent: Monday, April 28, 2014 5:52 PM
To: Redwood Hyd
Cc: samba at lists.samba.org
Subject: Re: [Samba] Perf enhancements in Samba4.1 related to SMB2.1 / SMB3.0 protocol
On Fri, Apr 25, 2014 at 02:07:07PM +0530, Redwood Hyd wrote:
> Hi Everyone,
> My doubts are for Samba4.1 performance related enhancements (SMB2.1 / SMB3.0).
>
> My experimental samba server hardware is running 4.1 version. Want to
> improve robocopy WRITE throughput from a two samba client machines
> (win7 or win8 or server2012 x86 servers).
>
> Someone please advice me how can I use SMB2.1 or SMB3.0 capabilities
> to improve WRITE throughput. I tried samba4.1 earlier but not seeing
> any WRITE MBps going up (compared with samba 3.6.8 on same
> hardware).
>
> To enable SMB2.1 or SMB3.0 perf. enhancements please suggest if
> 1) any thing(s) need to be added in smb.conf or
> 2) need to compile samba4.1 with some special options or
> 3) samba client systems need some tuning
> 4) or any other pointers
There's registry settings, hinted at in
http://technet.microsoft.com/en-us/library/ff625695%28v=WS.10%29.aspx
Volker
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