Change virtual SCSI controller to VMware PVSCSI. This KB on VMware KB website explaining the step by step for when you want to change from one virtual SCSI controller into another one on your VM. At first, you can try to directly change the type of your disk, but most likely, if it’s a bootable disk, […]
Use PVSCSI or not for lower intensive workloads
Do I choose the PVSCSI or LSI Logic virtual adapter on ESX 4.0 for non-IO intensive workloads? I thought that the question about using or not VMware Paravirtual adapter was solved with the vSphere 4 Update 1 and the announce that VMware has officialy support PVSCSI on boot disks. For me it was clear that I […]
Changement from LSilogic paralel into pvscsi
How to avoid BSOD (Blue Screen of Death) when you want to change from LSI Logic parallel into PVSCSI. Before update 1 you could only use the new PVSCSI adapter for your DATA disks in your VMs. The process is kind of a workaround. Add a second hard disk to your VM with the PVSCSI adapter. […]
How-to enable PvSCSI and when
VMware Paravirtualized SCSI (PVSCSI driver) Introduced with vSphere 4 this driver can speed up and offload CPU. VMware Paravirtual SCSI (PVSCSI) adapter is able to achieve 12% more throughput with 18% less CPU cost compared to the LSI virtual adapter. vSphere ships with this new high-performance virtual storage adapter. Bus logic and LSI logic were […]
VMware PVSCSI driver – in linux VM speeds up disk access
Speed up your Guest VM with paravirtual SCSI adapters: PVSCSI is part of vSphere 4 I wrote an article about here. Note that Boot Disks are not officially supported by VMware. It’s not that it doesn’t work, but it’s just not supported with current release… You can install it as a second disk, for your […]
Improvements in vSphere with a new paravirtualized adapter
New paravirtualized SCSI adapter is more optimized SCSI adapter than the LSI virtual Adapter. This adapter and many more other enhancements are part of new virtual machine hardware version 7 in vSphere 4. VMware’s new paravirtualized SCSI adapter (pvSCSI) offers 12% improvement in throughput at 18% less CPU cost compared to LSI virtual adapter. The […]