Sizing of vSAN

I been asked about how to size VMware vSAN solutions, both from Hardware Business Managers and Customers, this have been a manual calculation, with some help from different blogs. Now VMware has released a online tool that you can help:¬†https://vsansizer.vmware.com/ The result of the tool may be that you only need 3 hosts, which is the minimum, but […]

HP 3PAR StoreServ and VMware vSphere 5 Best Practice

HP has changed there best practice for using there 3PAR StoreServ Storage systems when using Round Robin multi-pathing policy.  The old recommandation was to use IOPS=100, and this has changed to IOPS=1. so for setting this you should use the following. 3PAR runninng Persona 6: 3PAR running Persona 11: See also dokuments from HP: White Pape: HP 3PAR StoreServ Storage […]

Bye bye SUSE Linux Enterprise Server for VMware

SLES for VMware has gone EoA on July 25, 2014, so there is currently no Linux distribution, that's bundled with your vSphere License. according to information from VMware they are not switching to a new Linux partner.  If you want to know what this means, the information can be found on this site: http://www.vmware.com/products/sles-for-vmware Does this mean that […]

vCenter Operations Manager error: “number of resources exceeds supported limit”

I have had this issue at a customer, where vCops after running for some time, came with this administrative alert.: "number of resources exceeds supported limit" After some searching on the internet i found 2 articles that had something about this: https://www.comdivision.com/kb/vcenter-operations-manager-error-number-of-resources-exceeds-supported-limit.html http://www.virtualiseme.net.au/index.php/vcops-max-number-of-supported-resources/ They both pointed to a advanced setting that should be set, but nothing about […]

Intel E5-2600 V2 CPUs and Virtualization

There is a bug in the Intel E5-2600 V2 CPUs when running a virtualized environemt ontop of servers runnings this type of CPUs, that can resolve in Blue Screen of Death (BSOD) og Kernel Panic in Linux Virtual Machines, this not apply to VMware vSphere but also to Hyper-V and other hypervisor. There may also be other Intel E5-xx00 V2 […]