April 10, 201313 yr One thing I do not have a shortage of is quality PCIe nics. If I add another NIC can I increase the bandwidth throughput or does it just act as a backup in case the other fails?
April 10, 201313 yr i'm pretty sure there is no multiple NIC support in unraid. so even if you have multiple NIC's plugged in, it will only see one and use that one.
April 10, 201313 yr One thing I do not have a shortage of is quality PCIe nics. If I add another NIC can I increase the bandwidth throughput or does it just act as a backup in case the other fails? Network bonding is possible in unraid, search the forums for details, do not have them myself. The benefits are hower only usefull for a small group of people doing very specific stuff. The speed of the unraid array is lower then the speed of your (one) NIC, so having two nics will not give more total performance. You do have the possibility of increasing resilliance however (somewhat). Imho its a thing you setup if you like setting it up and having it.. I think it is doubtfull if you will ever feel a positive effect.
April 10, 201313 yr Author That answers my question. I am seeing a bottleneck although I have a cache drive, I am only getting 35/s when I know my cache drive will support 65/s on writes.
April 10, 201313 yr It installs through the unMenu package manager. Telnet to your server and run it via iperf -s On your client system, run it with iperf -c server_location On my system I just use TOWER, you may need to enter the ip address. http://sourceforge.net/projects/iperf/ Output: iperf -c tower ------------------------------------------------------------ Client connecting to tower, TCP port 5001 TCP window size: 43.4 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.101 port 46400 connected with 192.168.1.121 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 1.10 GBytes 943 Mbits/sec
April 17, 201313 yr It installs through the unMenu package manager. Telnet to your server and run it via iperf -s On your client system, run it with iperf -c server_location On my system I just use TOWER, you may need to enter the ip address. http://sourceforge.net/projects/iperf/ Output: iperf -c tower ------------------------------------------------------------ Client connecting to tower, TCP port 5001 TCP window size: 43.4 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.101 port 46400 connected with 192.168.1.121 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 1.10 GBytes 943 Mbits/sec Something strange going on with iperf. I am getting terrible results to my unraid running as a guest VM on my ESXi server: mike@Workhorse:~$ iperf -c 10.0.1.4 ------------------------------------------------------------ Client connecting to 10.0.1.4, TCP port 5001 TCP window size: 22.9 KByte (default) ------------------------------------------------------------ [ 3] local 10.0.1.7 port 49578 connected with 10.0.1.4 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 688 KBytes 563 Kbits/sec I get great speeds from unraid to an Ubuntu guest VM: root@Unraid:~# iperf -c 10.0.1.7 ------------------------------------------------------------ Client connecting to 10.0.1.7, TCP port 5001 TCP window size: 20.2 KByte (default) ------------------------------------------------------------ [ 3] local 10.0.1.4 port 51231 connected with 10.0.1.7 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 8.32 GBytes 7.14 Gbits/sec However, I know the iperf results aren't correct because I can write to the cache drive of my unraid VM at what is basically the max write speed of the laptop drive I have assigned as the cache drive. (/nfs/Downloads/ is my Downloads share mounted via NFS) mike@Workhorse:/nfs/Downloads$ sudo dd if=/dev/zero of=dd4.tst bs=1048000 count=2048 2048+0 records in 2048+0 records out 2146304000 bytes (2.1 GB) copied, 16.181 s, 133 MB/s (If you're wondering how some of the speeds are so high, it's because I'm using the 10GbE vmxnet3 drivers through the ESXi vSwitch.)
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