Quote Originally Posted by nsc
I'll try another switch then.

I don't want to connect directly ESX to OpenE because i have two OpenE server and i want to use Ip Failover and HA.

Here some bench with CrystalDiskMark 2.2 in a Windows 2008 Server VM on my ESXi (MPIO on 2 path RR Mode from Vmware) and Balance-ALB for OpenE. Jumbo Frame are up everywhere (Switch, OpenE, Vmware)

Without synchronous Replication Tasks (Link between OpenE are only 1Gbit):

Sequential Read : 101.344 MB/s
Sequential Write : 97.572 MB/s
Random Read 512KB : 95.121 MB/s
Random Write 512KB : 86.132 MB/s
Random Read 4KB : 14.091 MB/s
Random Write 4KB : 8.158 MB/s

Test Size : 100 MB

With synchronous Replication Tasks (Link between OpenE are only 1Gbit):

Sequential Read : 102.383 MB/s
Sequential Write : 80.400 MB/s
Random Read 512KB : 97.688 MB/s
Random Write 512KB : 67.150 MB/s
Random Read 4KB : 13.703 MB/s
Random Write 4KB : 3.384 MB/s

Test Size : 100 MB


I tried other bonding on OpenE without success :
- Balance-RR give me only 50MB/s in Read Performance for better Write...
- 802.3ad is not working

For me a good setup will be something like :
- ESXi using MPIO and 2 NIC connected to an ISCSI Switch
- OpenE connected to the ISCSI switch with 802.3ad mode 2 NIC
- Replication between OpenE on a dedicated LAN with 802.3ad mode and 2 NIC (may be 2 direct cable in 802.3ad?)

Is this possible ?

100MB/s thats low for rr-mpio, im getting around 170-180MB/s read and about 100MB/s write (replication over 1gbit), my setup: xen, 2 gbit switches and 2 dss boxes