The two main benefits are the increased throughput and lower CPU usage. Win the monthly 4sysops member prize for IT pros. Any drives on a different controller will have a different Location number. Note that the VM is still running as I haven’t rebooted yet. There is 2 reboots necessary. Feel free to network via Twitter vladan. VMware Workstation and other IT tutorials.

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Virtual Machine Disk Controller Configuration

So be sure to select the correct Guest OS to start in the right place. This controller type is best suited for environment where there ksi a need for many additional disks and where performance is not a key factor. Hey all, Has anyone noticed any benefits of using one over the other? The above testing did not take into consideration CPU cost as this would be an interesting metric as well that I may take into consideration in a future sxs.

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For my testing I have a virtual machine that resides on a Samsung EVO NVMe drive and simply switched controllers on the virtual machine to perform each round of testing. I remember I had one colleague who always wanted to configure as many as possible separate drives and controllers to spread the load as much as possible but if your storage simply is the bottleneck it just complicates the configuration.

ls Below table summarizes the compatibility among SCSI controllers. Think of them as having pointers to the pages that will be used for DMA operation. But the same applies for Oracle Solaris for X86 10u13 and Please check out our Frequently Asked Questionswhich includes lists of subreddits, webpages, lgic, and other articles of interest that every sysadmin should read!

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Knowing that at that time the monitoring tools were much worse then today I decided being the Infrastructure Architect that we use the PVSCSI controller in every template and no matter if it was a small side with a single ESXi server and 3 VMs or the big ERP systems in the centralized datacenters we were using the same configuration everywhere.

Virtual Machine Disk Controller Configuration – Virtual Reality

He is active on Twitter at vmMarkA where he shares his knowledge of performance with the virtualization community. VMware says that they think everything with 2. This disk is not a system disk, so the VM will boot normally, and the Windows operating system will automatically find the drivers it can use to install this VMware Paravirtual controller.

In case you have more than one controller, search the vmx file for scsi keyword.

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I did test a win domain controller boot on sas and on pvscsi. Tuning on the other side is something what I would do very specific as it depends on how your storage system performs because otherwise it simply does not make any difference to tune these parameters.

What I see in most of the environments is the standard adapter for the chosen Operation System and in many cases that is absolutely fine and works well.

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Is this still the case? Thu, Dec 6 Exchange I wrote a blog article in Oct on this same topic that is still frequently referenced today so I figure it was due for an update.

virtualguido: VMware SCSI Controller Options

As mentioned before, this was ldi the case in which you have already some VMs including Windows Server R2 or Server R2 VMs up and running, and you just want to change the controller type for those VMs. Adding different types of storage controllers to virtual machines that use BIOS firmware can cause operating system boot problems.

Paolo Maffezzoli posted an update 7 hours, 15 minutes ago. VSAN Policies support stripping themselves so this is probably the preferred method to implement. If you have any questions please let li know.

There’s more to the story. Pratik Shekhar MaxMunus E-mail: Submit a new text post. This is a new storage controller available with vSphere 5. Let’s jump in and see how! For cluster, see the PDFs linked here: It is a similar construct. Your email address will not be published.

Included VMware vSphere 6.