VMWare ESXi 3.5 u4 suffering from slow performance in iSCSI RAID-5 of 15 k RPM SAS SAN

Hi all

I suffer from very slow performance using my deployed virtual computer on the

iSCSI SAN-VMFS datastore, the attachment following shows the deployment

scheme which I believe already according to best practices around of

the net separating the SAN network in the server.

According to: http://virtualgeek.typepad.com/virtual_geek/2009/01/a-multivendor-post-to-help-our-mutual-iSCSI-customers-using-VMware.html

It seems that no matter how fast the disk is, using SAN

in a VMWare environment, it will be always slow around 160 MB/s http://www.petri.co.il/forums/images/smilies/icon_neutral.gif CMIIW

Usually, this means that customers are

which for a single iSCSI target (and however multiple LUNS that may be)

behind this objective 1 or more), they cannot travel more than 120-160MBps.

I do to boost performance?

Thank you

Kind regards

AWT

> I'll that connect to my network of Production, as well as on vSwitch0?

Yes, just leave the default options team and it works perfectly.

> I also tried to add two network cards more

Do not group of NETWORK cards next to the virtual machine, is not useful. Do it right next to vSwitch.

André

* If you found this device or any other answer useful please consider awarding points for correct or helpful answers

Tags: VMware

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