iscsi

As with anything in VMware there is the right way to do something and the wrong way to do it... or rather, there is the I slapped this together and it works way (the wrong way) or the best practice wont give you any trouble way (the correct way). So I am going to focus on right way to setup the Software iSCSI initiator setup in vSphere 4 with this post; yes it is true that you can simply right click the SWiSCSI device in vCenter (or the VIC) and click enable and give it a target to discover, and that may work for a while... but in reality there is a more complex and correct way to set the SWiSCSI up. read more

In the past we have covered performance tweaks for the Initiator side, Linux OS tweaks, and networking speed tweaks; we have not covered the Target side though, and that is what we will do now. So read on for the details on how to optimize the IET.conf file to optimal performance. read more

After a lot of feedback on the first posting about the improved iSCSI performance in vSphere 4, I decided that I should re-test the values and see what performance I can get. So here it goes... read more

In order to get the best performance from CentOS and the iSCSI deployment we recommend the following tweaks. These tweaks will give you the best performance for your iSCSI deployments. The network configuration can be used with NFS as is. Click to read more... read more

Recently I was asked to check the performance changes in the Software iSCSI initiator on vSphere 4, more specifically I was asked to check the differences between Jumbo Frames and non-Jumbo Frames. The results may actually shock you... read more