Re: IBM i Cloud Vendors

[Raul Alberto Jager Weiler <raul.jager@xxxxxxxxx>]

Fast, efficient programs reduces cost in the cloud.

El vie, 6 de dic de 2024, 17:17, Driver, Adam via MIDRANGE-L <
midrange-l@xxxxxxxxxxxxxxxxxx> escribió:

> Thanks Diego,
>
> Noted! And I agree.
>
> Thanks
>
>
> *Adam Driver*
> *Senior IBM i Engineer*
>
>
> 1250 Techny Road
> Northbrook, IL 60062
> Cell: 224.250.9049
>
>
> from: "Diego E. KESSELMAN" <diegokesselman@xxxxxxxxx>
> subject: Re: IBM i Cloud Vendors
>
> Adam,
>
> Just a couple of things, about ANY cloud:
>
> * Don't ask for IBM Power resources as you were running on premise, or
> you will find it could be really expensive. Talk to an IBM BP with
> experience and ask for a real sizing. Remember, you can pay for your CPU
> spikes when required.
>
> * Bandwidth (data egress) can cost you a lot of money. Sometimes it's
> better to put all the ecosystem in the same cloud.
>
> * Sometimes an isolated LPAR is costly and all the environment makes sense.
>
> * The sweet spot is below 4 CPUs. Remember, most clouds use Sx22 (P10)
> and then Sx24 and/or Ex90 for larger workloads. If you really need more
> than 4 CPUs in one LPAR, you should take a deep breath.
>
> * Disks can be really fast. ie: IBM Cloud Power Virtual Server provides
> different disk Tiers, up to 25 IOPS/GB. This means 25,000 IOPS/TB. When
> switching from internal mechanical disks you can reduce the CPU count by
> 1/2 as a starting point for a PoC, before asking for your quote.
>
> Good luck in your research!
>
> --
> Saludos/Regards
>
> Diego E. KESSELMAN
> dkesselman@xxxxxxxxxxxxx
> +1 415 800 3962
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