![]() ![]() ![]() Never trust benchmarks, or progress bars - i really doubt you're getting 950mbps, the 400mbps is more realistic, especially if read/writing to disk and not null, fastest i've ever seen on consumer-grade hardware is about 700mbps and thats with nic bonding, i tend to average around 450mbps on various machines i have here for ssh/nfs/rsync etc. Strangely, transfers from the host OS to the guest OS on the same PC are still capped at 100Mbps. From the host OS to the same LAN machine I get 950Mbps so there is some overhead but we're getting closer. I'm getting 400Mbps between the guest OS and another machine on my LAN. Spock wrote:OK bridged networking is somewhat more successful. Aug 2009, 22:06 Primary OS: Fedora 10 VBox Version: PUEL Guest OSses: OpenSolaris I'm going to try bridged networking, in case it's a problem with host-only. The guest does think it's connected at 1Gbps, but the host doesn't. However, Windows (host) Task Manager still shows 100Mbps and I get the same low throughput. NIC 1: MAC: 080027C84503, Attachment: Host-only Interface 'VirtualBox Host-Only Ethernet Adapter', Cable connected: on, Trace: off (file: none), Type: 82540EM, Reported speed: 1000 Mbps UUID: bea9b4c3-b05e-4e8d-9055-582a7babae9cĬonfig file: C:\Users\J\.VirtualBox\Machines\OpenSolaris LiveCD\OpenSolaris LiveCD.xml Now here is the output of "VBoxManage showvminfo.":Ĭode: Select all Expand view Collapse view VirtualBox Command Line Management Interface Version 3.0.4 Anyway I used the command:Ĭode: Select all Expand view Collapse view VBoxManage modifyvm "OpenSolaris LiveCD" -nicspeed1 1000000 I wasn't aware of the -nicspeed option (indeed, there isn't much mention of it in the manual nor on Google). ![]() Also I'm looking for other ways to test the throughput. I've seen people talking about getting gigabit performance from hostguest, but I can't tell exactly what I'm doing wrong. However that is using the SCP protocol which does incur CPU overhead so it could be a coincidence. The only way I've come up with to test the throughput with the current configuration is to run (from the host) "pscp bigfile and it is almost exactly 100Mbps. I'm using a host-only adapter (Intel E1000) and the guest thinks it's connected at 1Gbps but Windows Task Manager (host) clearly shows the "VirtualBox Host-Only Network" adapter as connected at 100Mbps. However I seem to be limited to 100Mbps for the network. Disk performance inside the guest actually seems quite good, approaching the platter speed of the hard disk that is hosting the. My focus is on maximum disk I/O and network performance as the Opensolaris guest is intended to act as a file server. I'm using Virtualbox 3.0.4 with Windows 7 RC as the Host OS and Opensolaris (Live-CD) as the guest. ![]()
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