http://blogs.sysadmin.it/ermannog/archive/2013/08/30/smb-3-0-smb-multichannel-e-smb-3-02.aspx
"Using
Windows Server 2012 you can use the network share as storage for application
servers (SQL Server, Hyper-V). To be precise, the possibility of using network
share to store user database was already present in SQL Server 2008 R2, and SQL
Server 2012 has added the ability to store even share of the system databases.
Now with even WS2012 Hyper-V VM which allows you to run vhd / vhdx are stored
on a network share.
In version
3.0 of SMB (Server Message Block) present in WS2012 was introduced SMB
Multichannel, a technology similar to the Multipath I / O, but designed for
shared access via the network share (SMB 3.0 is the relata the rename of SMB
2.2). The SMB Multichannel allows you to take advantage of multiple network
cards for more performance through bandwidth aggregation and fault tolerance
through the use of multiple network paths to a SMB share.
There are
three strengths of SMB Multichannel:
Increased throughput through the
simultaneous transmission of data using multiple connections.
Fault Tolerance through multiple
simultaneous network connections.
Automatic configuration as the SMB
Multichannel run the auto discover the existence of multiple network paths
available and dynamically creates connections. In other words there is no need
to install any role, function or component as the SMB Multichannel is enabled
by default."
At the following link you can find the related Technet Microsoft Article: