https://pve.proxmox.com/wiki/Dynamic_Memory_Management On Sun, Oct 9, 2022, 6:44 AM Stephen Partington wrote: > That mini had only one nic. And I ran about 4 containers and 2 vms just > fine. > > On Sun, Oct 9, 2022, 6:43 AM Stephen Partington > wrote: > >> I have run proxmox on Mac minis 4 cores/8 threads and originally 8gm ram. >> I upgraded ram heavily and stuffed in an ssd to run as a lvm cache to the >> 5400 1t drive and it performed well as a home lab server for years. >> >> All the rest is use case recommended for a server. Possibly in >> production. >> >> On Sat, Oct 8, 2022, 9:08 PM wrote: >> >>> That sounds scary. >>> >>> Ok, so I am coming away with a vCPU is = to a thread. RAM is fixed. I >>> read Proxmox requires 2GB of RAM and I was unable to determine the >>> number of cores for Proxmox. >>> >>> Proxmox says you will need Intel EMT64 or AMD64 with Intel VT/AMD-V CPU >>> flag. >>> >>> They suggest SSD disks, and redundant Gbit NICs. I assume along these >>> lines you would want redundant power supplies. >>> >>> Another Question : >>> >>> I have a Cox business connection that allows me to run servers and to be >>> allocated more than 1 static IP. >>> >>> I can see me configuring at least 4 virtual machines for LAMP - PHP >>> testing and development, and a VM for a real website. Not all of these >>> VMs would be active at once. >>> >>> Since I would be running this out of my home office, to be safe, I would >>> need enough RAM to allocate 4GB of RAM of reach _active_ VM and 2 vCPUs, >>> and to be safe maybe 4GB of ram and 2 cores for Proxmox. >>> >>> For 4 simultaneously active VMs I would need 8vCPUs (8 threads) and 4GB >>> of RAM each or 16GB of RAM. Add to that 2 Cores/4 threads and 4GB of >>> RAM for Proxmox and I would need 12 threads or 6 cores and 20GB of RAM. >>> >>> I'm thinking a 500GB SSD would be enough and if I like I could add a >>> redundant NIC and a redundant power supply. >>> >>> Pretty much a consumer grade box? >>> >>> Your thoughts? >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> On 2022-10-07 18:23, Stephen Partington via PLUG-discuss wrote: >>> > Hit reply too soon. You can share or overprovision ram but you have to >>> > enable some features and load a couple of os level drivers to make it >>> > work. >>> > >>> > On Fri, Oct 7, 2022, 9:22 PM Stephen Partington >>> > wrote: >>> > >>> >> And you can share ram across containers not vms. >>> >> >>> >> On Fri, Oct 7, 2022, 9:21 PM Stephen Partington >>> >> wrote: >>> >> >>> >> i love proxmox.have used it fir years >>> >> >>> >> The vcou is socket x cores x2 if you have hyperv/smt >>> >> >>> >> So a 4 core ht cpu would be 8vcpu. >>> >> >>> >> On Fri, Oct 7, 2022, 7:35 PM Keith Smith via PLUG-discuss >>> >> wrote: >>> >> >>> >> Hi, >>> >> >>> >> I just watched a video that covered the Proxmox Hypervisor. Seems >>> >> simple enough. I've used Oracle's VirtualBox for years. >>> >> >>> >> So I did some research on what a vCPU is. I was suppressed. The >>> >> math >>> >> given was (Threads x Cores) x Physical CPU = Number vCPU. >>> >> >>> >> I have an old laptop that has 1 socket, 2 cores, four threads, and >>> >> 4GB >>> >> of RAM. >>> >> >>> >> Given the math (4 x 2) x 1 = 8 vCPUS. Is this correct? >>> >> >>> >> From my reading it appears that RAM is not shared, so my bottleneck >>> >> is >>> >> RAM not cores or threads. >>> >> >>> >> I am a PHP developer and a local vps would need 2GB of RAM at a >>> >> minimum. >>> >> I have found a LAMP VPS will crash if allocated less than 2GB of >>> >> RAM, >>> >> and will run will on 1 vCPU. >>> >> >>> >> The good news is I really only need one VPS to be active at any >>> >> given >>> >> time. >>> >> >>> >> If I wanted to build a box that could run more than one VPS at a >>> >> time, >>> >> lets say 4, and I wanted to allocate 2 vCPUs and 4GB of RAM I would >>> >> need >>> >> 4 threads x 2 cores to run the 4 VPS configured with 2 vCPUs each. >>> >> >>> >> What about RAM. Looks like I would need a minimum of 16GB of ram. >>> >> >>> >> How much resources does the Hypervisor need, in this case Proxmox? >>> >> >>> >> Thanks!! >>> >> Keith >>> >> --------------------------------------------------- >>> >> PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >>> >> To subscribe, unsubscribe, or to change your mail settings: >>> >> https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>> > --------------------------------------------------- >>> > PLUG-discuss mailing list: PLUG-discuss@lists.phxlinux.org >>> > To subscribe, unsubscribe, or to change your mail settings: >>> > https://lists.phxlinux.org/mailman/listinfo/plug-discuss >>> >>