Is this Gap normal with MPIO ISCSI failovers after a single NIC failure? NetworkIOGap.png I made the changes you request I am still getting the same results. I have configured my ISCSI to enable multi pathing and have multiple sessions. I have also configured my iscsi without enabling multi pathing ...

I have attached a picture of the network layout.

After I disable/unplug the single nic from store02. Every ISCSI network connection hangs for 10-30 seconds.

Is this to be expected with MPIO a single connection lost makes all clients stop sending traffice?

In windows if I disable even a single network adapter on any server all traffic halts for 17 to 25 seconds is this normal is there a way to reduce this time or to not have it happen at all? Configuration/Usage Below: Starwind version 5.7.1807 Servers are all running 2008 R2 Enterprise I have starwin...

Hello Anton, I tried itterations of starind cache size up to 8000MB with the 5000ms setting Even with the starwind cache up to 8000MB the reads would remain static around 200 MB/S. I am not sure what you mean by queue depth? overlapped I/O of 4 is not close to anything real. Anton you are correct I ...

Ok I found my answer and figured I would post something about it. After a month of learning what not to do and tweaking settings from BIOS to Every settings you can thing of on network cards. Learning how what I should be looking at when considering good performance. If you are using a PCIE SSD driv...

nbarsotti, have you checkedout iperf I believe they have both a linux and windows distro.

Thanks
Garrett

nbarsotti, if you have 10gig uplinks to a switch that does not support jumbo frames of 9k you will not be able to achieve 10gig through put.

If you have 10gig crossovers you will want to enable jumbo frames of 9k on those crossovers.

Thanks
Garrett

1) So you have TWO machines one acting as a target and another as initiator? No HA configured? A)Yes,The two machines are my HA nodes but I have configured each of them to have non HA RAM and Virtual Disk as per your "Benchmarking Server Guide." http://www.starwindsoftware.com/benchmarking...

Hello I work for a large company that is investigating rolling out starwind to replace some of our SAN environment but I cannot recommend starwind 5.6 due to performance issues. I have also spent several weeks trying to figure out why the performance is all over the place with starwind 5.6. This one...