Performance issues on tranfsering files

[firestorm99]

Hi everbody,

i virtualized freeNAS in a ESXI 5 environement providing it a e1000 virtual network adaper. But using afp or samba shares i get low network performance.

Using iperf i get following results for the freeNAS Box:

VM to FreeNAS over e1000:
------------------------------------------------------------
Client connecting to nas, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.1.2 port 54486 connected with x.x.x.x port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 2.57 GBytes 2.20 Gbits/sec


Iperf on a pfsense virtual machine to regular network:
------------------------------------------------------------
Client connecting to 10.0.0.1, TCP port 5001
TCP window size: 65.0 KByte (default)
------------------------------------------------------------
[ 8] local 10.0.0.230 port 58211 connected with x.x.x.x port 5001
[ ID] Interval Transfer Bandwidth
[ 8] 0.0-10.2 sec 1.02 GBytes 858 Mbits/sec


FreeNAS to regular network:
------------------------------------------------------------
Client connecting to 10.0.0.228, TCP port 5001
TCP window size: 129 KByte (default)
------------------------------------------------------------
[ 3] local 10.0.0.1 port 56596 connected with x.x.x.x port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 771 MBytes 646 Mbits/sec


When doing file transfers over smb to my macbook i roughly get 40MB/s or less.
Same thing via afp.

The locals read/write rate of the raid using dd is >300MB/s, so it should't be the limit.


The FreeNAS virtual machine specs:
Hostname freenas.lan
FreeNAS Build FreeNAS-8.0.2-RELEASE-amd64 (8288)
Platform Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz
Memory 7153MB
System Time Mon Dec 19 21:23:18 2011
Uptime 9:23PM up 3:19, 2 users
Load Average 0.04, 0.09, 0.05
OS Version FreeBSD 8.2-RELEASE-p3

Storage: 5x 2TB WD Caviar Green Raid-Z1

Networking: 2x e1000 virtual nic: one to vm internal network, one bridged to regular network (1 GBit/s), pfsense uses same physical card.

The results of iperf show that the virtual machine interface should not be the problem here.

What can i do to enhance the performance here or what could be the problem here?

Thanks in advance,
fire

 

[peterh]

Use NFS for file sharing, it's the fastest and with the smallest overhead.