Also note that newer processors are "HT"'d differently - they are considered a "LP" logical processor by Microsoft. Here is a good technet article re: supported configurations. Exceeding the "Max" is possible, but probably not desirable.
I looked into this issue because I had overbooked the CPU's by assigning too many virt procs to too many virtual machines.
We have 2 of them 6-core cpu's in a dual cpu blade setup and it will show 24 cpu's 12 real, 12 HTs. To continue this discussion, please ask a new question. Anunta Followers - Follow. Kelly for Anunta. Get answers from your peers along with millions of IT pros who visit Spiceworks. HI friends, i know most of you will reply by " it depends on what are you going to host on those VM's" i really understand this and i am fully aware of it but i just want you guys to advise on the "1 CPU with 8 cores part" since i don't really have any background about CPU and cores dedication for Virtual machines.
Thanks all. Popular Topics in Virtualization. Spiceworks Help Desk. The help desk software for IT. Track users' IT needs, easily, and with only the features you need.
Learn More ». For example if you have 4 cores I would not go more than 4 VM's with 2 cores each. If you go 8VMs I'd limit it to 1 core each. SSD is probably necessary if you run a lot at the same time. Aug 10, 8, 6 27, 1, Jun 14, 16 19, I can run between 3 and 8 VMs without issues on my system whichout compromising my normal tasks.
You must log in or register to reply here. Memory 1 Jan 5, Question Divide Virtual memory between drivers? Post thread. News Comments. Question Super giving me worse frames than a ? Started by Small-Change Oct 7, Replies: Graphics Cards. Question Help! Question Why does my pc keep shutting down? Power Supplies. When a host failure happens, and this is when, not if, how long is it going to take to start eighty virtual machines on the four remaining hosts? From my point of view it would take way too long.
In one of the environments that I worked on was with smaller hosts and larger clusters. With this customer we had around twenty or so virtual machines running on a host which was in a cluster of eight. We had a host crash during the night and all the virtual machines were able to recover for the most part without any alerts being sent out.
That means that all virtual machines on the crashed host were able to recover within five minutes. Although it is important to know the limitations and have an understanding of what your infrastructure will be able to run, I also believe it is just as important when planning and building your environment to make sure you keep recovery in mind so that the time it takes for all systems to recover from a failed host will match the Service Level Agreement S.
A from your management and company expectations. It is better to think about this during the design phase then to have to answer what is taking too long during an actual outage.
How many of you know, right now, how long it takes to recovery from a host failure in your environment? Stephen is an IT Veteran with over 15 years experience in the industry. Elevated such numbers are a strong indicator that you need to purchase additional hardware or decrease the number of assigned virtual CPU cores in your environment.
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