Network and Storage Protocols

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Network and Storage Protocols

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cifs.smb2 - enable for Windows 2008 R2?

m_lubinski
‎2011-01-12 08:35 AM
14,649 Views

Hello,

I have a customer that is running only Windows 2008 R2 VMs on vSphere 4.1, and is connecting to CIFS share on Netapp FAS 3040. I see that in oiptions this option: cifs.smb2.enable is set to off (so disabled). This customer requires best performance, so I would like to ask if i can enable this option to increase performance from CIFS? Is there anything else I could do to improve/optimize CIFS performance for this customer?

Thanks in advance for your tips...

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xavierpitz
‎2011-01-24 07:17 AM
In response to m_lubinski
14,647 Views

https://now.netapp.com/NOW/knowledge/docs/ontap/rel801/html/ontap/cmdref/man1/na_options.1.htm

cifs.smb2.enable
This option enables SMB 2.0 support on the Filer. When this option is enabled, the Filer uses SMB 2.0 with a Windows client, if the client supports SMB 2.0. When this option is disabled, the Filer will not accept any new SMB 2.0 sessions; existing sessions are not terminated.

Default: off

Effective: Immediately

Persistence: Remains in effect across system reboots

& from http://www.petri.co.il/how-to-disable-smb-2-on-windows-vista-or-server-2008.htm :

"If both the client and server support SMB 2.0, then SMB 2.0 is selected  during the initial negotiation. However, if they don't both support it,  SMB 1.0 will be used to in order to preserve backwards compatibility."

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