Re: [Xen-devel] suggested domain0 memory size

[Jan Kundrát <jan.kundrat@xxxxxx>]

Jérôme Petazzoni wrote:
> > Thanks, but what do you think about 32MB?
>
> I had serious problems with low-memory domain0. It caused problems with 
> the backend of the block devices of other domains (those domains got I/O 
> errors). I would not go below 64 MB, unless maybe by tweaking VM "will 
> to swap" to be sure to have enough kernel memory available at anytime.
Thanks for feedback. I'm using file-backed VBDs (ie. domains are using 
files stored under domain0's filesystem). BTW, what is the 
lowest-memory-hungry filesystem for this usage? Or should be something 
like LVM better?
TIA,
jkt

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