What's the typical performance of Windows File Sharing (SMB) on a gigabit ethernet network?
I've recently set up Windows file sharing over a gigabit ethernet network (I'm not using jumbo frames) with a Samba server and a Windows Vista client. I've done a few file copies, but the maximum throughput I'm seeing is 20MB/s (megabytes, not megabits) which is about 15% of the theoretical 125MB/s maximum for the network. The server has a RAID array that can manage about 75MB/s (the bottleneck is the PCI bus), and the client can manage about 40MB/s in a disk-to-disk copy.
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