Ok, so, don't bother with my latest reply around Intel RSD, I finally found out a complete specification document regarding RSD 2.1 Platform. Indeed, RSD is far more complex that I envisioned at a first glance.
For those looking for more informations regarding how is working RSD under the hood, here is the official documentation from intel: https://www.intel.com/content/dam/www/public/us/en/documents/guides/platform-hardware-design-guide-v2-1.pdf Le lun. 16 oct. 2017 à 23:50, Flint WALRUS <[email protected]> a écrit : > Hi Andres, thanks for taking times to answer my questions. > > Regarding the limitations, I was looking for intel documentation indeed, > not the maas one as I assumed that maas didn’t hardcoded anyone. > So, if you’ve got some links to share I’m all in :-) > > About my question regarding the ressources aggregates. > I didn’t get it. How is this supposed to work? Does RSD systems are > provided with a specific OS/hypervisor dedicated to create VM that can be > hosted on two different hosts but still be seen as a unique ressources > within the guest OS? Is that using MPI under the hood? > How can I create a node that will address ressources across multiple > physical machines? > > Thank a lot again! > Le lun. 16 oct. 2017 à 23:25, Andres Rodriguez < > [email protected]> a écrit : > >> Hi Gael, >> >> The limitations of MAAS wrt Intel RSD support are given by RSD itself. As >> of today, it is not yet possible to slice amount of CPU/RAM/Local storage a >> machine inside Intel RSD, as this is basically on actual systems that are >> part of Intel RSD itself. >> >> Further comments inline: >> >> On Tue, Oct 10, 2017 at 3:36 AM, Flint WALRUS <[email protected]> >> wrote: >> >>> Hi guys, looking at the pods and so Intel RSD limitations but I hardly >>> found documentation about it. >>> >>> So, what currently are the limitations? Is an aggregated machine limited >>> by the amount of hardware that it can request? >>> >>> Imagine that I’ve got 4 RSD Servers equipped like: >>> >>> 4x socket Intel 16 Core CPU. >>> 512 GB Ram. >>> 56 TB SSD. >>> >>> Does it means that I can aggregate the 64 cores with 2TB RAM and 224 TB >>> storage? >>> >> >> Yes, that is correct, however, due to RSD limitations, once you request a >> machine with 10 cores, 200GB RAM & 20 TB of storage disk, RSD will give you >> one of the physical systems that at least match your request. In other >> words, it will give you 1 of the 4 servers. >> >> Hope this answers your question! >> >>> >>> If that’s correct how is that possible? Using a hypervisor with MPI >>> capabilities ?! >>> >>> If that’s incorrect what are the limits? Am I limited to the amount of >>> resources that can provide a standalone node? If so, why would I use pods >>> instead of classic BM with juju on top of maas being able to use lxd >>> isolation for resources optimization ? >>> >>> Thanks a lot guys! >>> >>> -- >>> Maas-devel mailing list >>> [email protected] >>> Modify settings or unsubscribe at: >>> https://lists.ubuntu.com/mailman/listinfo/maas-devel >>> >>> >> >> >> -- >> Andres Rodriguez >> Engineering Manager, MAAS >> Canonical USA, Inc. >> >
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