on a fly Can we Change PSP in ESXi5.1 without impacting running VMs

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Dear Team,

I have one SAN LUN datastore and default PSP is Round Robin, Just want to confirm if I change PSP from RR to Fixed, will there be any impact on running VMs which are hosted on same datastore.

regards

Mr VMware

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virtualdive
VMware Employee
VMware Employee

Hi MrVmware,

As others said there is no impact at all. However, if you add more LUNs in future they all will be added as RR unless you change the default PSP to fixed at the host level.

Thanks,

Regards,

'V'
thevshish.blogspot.in
vExpert-2014-2021

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sajal1
VMware Employee
VMware Employee

Hello MrVmware9423,

yes you can do it. It will not have any impact on running VMs.

vThinkBeyondVM
VMware Employee
VMware Employee

Yes, I agree with Sajal. I have done this myself several times.

-Vikas


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virtualdive
VMware Employee
VMware Employee

Hi MrVmware,

As others said there is no impact at all. However, if you add more LUNs in future they all will be added as RR unless you change the default PSP to fixed at the host level.

Thanks,

Regards,

'V'
thevshish.blogspot.in
vExpert-2014-2021
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