[Xen-users] Re: Strange Xen arithmetic ("Error creating domain: I need 65 MiB, but dom0_min_mem is 196...")

[Stephane Bortzmeyer <stephane@xxxxxxxxxxx>]

On Mon, Jan 30, 2006 at 10:45:50PM -0600,
 Anthony Liguori <aliguori@xxxxxxxxxx> wrote 
 a message of 37 lines which said:

> Modify the dom0_min_mem entry in /etc/xen/xend-config.sxp to from 196 to 64.

OK, tuning this parameter is not obvious (setting it too low has many
strange effects such as virtual machines hanging and even the host OS
freezing) but now, I have: 

(dom0-min-mem 16)

And I can run two domU and my dom0 in my 192 Mb of physical RAM:

aslan:~ % sudo xm list                
Name                              ID Mem(MiB) VCPUs State  Time(s)
Domain-0                           0       46     1 r-----   135.1
diggory                            2       64     1 ------    36.3
polly                              3       64     1 ------    32.3

Thanks a lot for pointing to that parameter.

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