[pve-devel] VM config: User Interface <-> Online Help mismatch

Dietmar Maurer dietmar at proxmox.com
Fri Jan 6 12:39:56 CET 2017


> The online help explains the ballooning feature quite nicely, but there is a
> mismatch:
> Under the 'Use fixed size memory' option, I can set the memory size and there
> is a checkbox 'Ballooning'.
> I find this confusing. If I set a fixed amount of memory, then that seems to
> me to be mutually exclusive with 'Ballooning'.

The balloon driver is normally enabled, because it deliver some information
about
used memory (even if it does not manage memory). But some user
reported kernel crashes with older kernels, so this option is there
to disable the driver completely...

> Also, the online help does not show this checkbox at all, so I wonder if this
> is a glitch in the UI and should be grouped differently? Or is the online help
> not up to date?

Sorry, this feature is quite new, and the online help is a few weeks behind...

> Most importantly, is my assumption right that Use fixed size memory and
> Ballooning are mutually exclusive?

no (that flag just disables/enable the driver).



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