A question we receive a lot is what kind of zoning should be implemented for our storage solution? The answer is usually really short and simple: at least single initiator zoning.
Single initiator zoning is something we have always recommend in the field (VMware PSO Consultants/Architects) and something that is clearly mentioned in our documentation… at [...]
Posts Tagged ‘best practice’
Single Initiator Zoning, recommended or not?
March 4th, 2010
15 Comments
VMFS Metadata size?
November 11th, 2009
2 Comments
When designing your VMware vSphere / VI3 environment there are so many variables you need to take into account that it is easy to get lost. Something hardly anyone seem to be taking into account when creating VMFS volumes is that the metadata will also take up a specific amount of disk space. You might [...]
HA admission control, the answers…
November 9th, 2009
No Comments
I received a whole bunch of questions around my two latest posts on HA admission control. I added all the info to my HA Deepdive page but just in case you don’t regularly read that section I will post them here as well:
The default of 256Mhz when no reservations are set is too conservative in [...]
How to avoid HA slot sizing issues with reservations?
November 6th, 2009
2 Comments
Can I avoid large HA slot sizes due to reservations without resorting to advanced settings? That’s the question I get almost daily. The answer used to be NO. HA uses reservations to calculate the slot size and there’s no way to tell HA to ignore them without using advanced settings pre-vSphere. So there is your [...]
Disable your USB controller?
September 30th, 2009
No Comments
While going through my email folders I noticed an email chain about disabling your USB controller to avoid avoid the well known IRQ sharing situation. This has been extensively described in KB Article 1003710. In short: IRQ Sharing limits interrupts to a single CPU. Normally this isn’t a problem but the Service Console is locked [...]
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