Re: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
jmattson wrote: VRBitman wrote: I changed the value back to 100 and rebooted: /vmfs/volumes/531e1a38-a54fe8f5-daeb-000c29dce64f/log # esxcli system settings kernel list -o maxVMs Name Type...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
There is definitely something weird going on. The parameter seems to have reset itself: /vmfs/volumes/5370a9e1-56c8f49a-d807-000c29dce64f/TCLVM-58 # esxcli system settings kernel list -o maxVMs Name...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
Which method did you use to set it? I would recommend: # esxcli system settings kernel -s maxVMs -v 100
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
I would do it through the web client.The syntax of the command you are proposing seems to be incorrect.I was able to figure out what it should actually be like: # esxcli system settings kernel set -s...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
I'm still unable to power on all VMs.One thing is clear though: it complains about memory resources, not CPU.
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
VRBitman wrote: I'm still unable to power on all VMs.One thing is clear though: it complains about memory resources, not CPU.Are you no longer hitting the maxVMs limit? How many can you power on now?
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
38. ESXi nodes have 4GB each as before.
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
Is that 38 per host? Please post a vmware.log file for one of the VMs (as an attachment).
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
Actually, 38 VMs total sounds about right. ESX itself occupies just a little bit less than 2GB of memory, so you've only got about 4GB of memory available for VMs. Your VMs require 119MB of memory...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
Yes 38 total.Why does a single VM need 119MB? I've set the quantity of RAM to 64MB.
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
The VMX process and the VMM (virtual machine monitor) are responsible for these overheads. The details are in the vmare.log file. Search for 'Overheads'. However, I believe the 119MB includes...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
Thanks jmattson, your assumptions seem to be correct.Increasing the memory of each ESX host to 6GB I was able to power on almost all of them, with the last four ones erroring out because of the limited...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
I suspect that you could get by with less memory for the ESXi VMs if you had enough space on the datastore for the VMX swap files. For 100 VMs, you would need at least 18GB free on the datastore....
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
OK so listing the contents of a running VM I do see 2 vswp files: /vmfs/volumes/5370a9e1-56c8f49a-d807-000c29dce64f/TCLVM-04 # ls TCLVM-04-ad8353bc.vswp TCLVM-04.nvram...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
TCLVM-04-ad8353bc.vswp is for swapping guest memory (in your case, 64MB). If you don't have a memory reservation for the guest, you need sufficient space on the datastore to swap out all of guest...
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
I've reduced the number of datastores and increased their size. However this didn't seem to have a positive effect. After that I was only able to power on 80 machines before seeing insufficient memory...
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View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
I would check first to see if your 100 VMs have managed to boot up yet.
View ArticleRe: [PROJECT] Creating a virtual env with 100+ VMs on a desktop PC
The 100 VMs boot up pretty instantly and problem-free.TinyCore Linux is extremely lightweight.
View ArticleInstall VSphere Esxi 5.5 on an HP server ML310e Gen8 E3-1220v2.
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