[xenpreview-dev] boot ine dom0_mem=memory

[Jan.Albrecht at bertelsmann.de]

dom0 does run in SLES10 and the only "big" application is the zmd. As
this does run fine with KDE on my 512MB workstation I assume 512 would
be fine.

Thanks for your help all!

Jan 

> -----Original Message-----
> From: Manzer, Kirk [mailto:kirk.manzer at hp.com] 
> Sent: Wednesday, May 09, 2007 8:00 PM
> To: Albrecht, Jan, NMI-DC
> Cc: xenpreview-dev at forge.novell.com
> Subject: RE: [xenpreview-dev] boot ine dom0_mem=memory
> 
> Normally I specify 1 GB, most of my servers have more than 12 GB of
> memory.  It is overkill at 1 GB but would rather fall on the side of
> safe.  This is a base dom0 doing nothing but running XEN and 
> domUs.  If
> dom0 is also doing other tasks I allocate addition memory to ensure no
> memory contention.  You could run with 512mb for dom0, but you would
> have to be confident in what dom0 is doing, and that things like
> automatic updates to the OS do not cause problems.
> 
> 
> Kirk A. Manzer 
> HP
> TSG Solution Alliances, Linux
> Phone: (281)-514-4979 
> Cell: (832)-563-8120 
> Fax: (281)-514-5802 
> kirk.manzer at hp.com 
> 
> 
> -----Original Message-----
> From: Jan.Albrecht at bertelsmann.de 
> [mailto:Jan.Albrecht at bertelsmann.de] 
> Sent: Wednesday, May 09, 2007 12:52 PM
> To: Manzer, Kirk
> Cc: xenpreview-dev at forge.novell.com
> Subject: RE: [xenpreview-dev] boot ine dom0_mem=memory
> 
> Hi, 
> 
> > -----Original Message-----
> > From: Manzer, Kirk [mailto:kirk.manzer at hp.com] 
> > Sent: Wednesday, May 09, 2007 7:34 PM
> > 
> > I have been using the dom0_mem parameter on the kernel for 
> a while. I
> > limit dom0 to either 1 or 2 GB of memory depending on what 
> > the server is
> > doing, then I have no issues starting and domUs.  Prior to using
> > dom0_mem I was constantly having issues with starting domUs.
> 
> Can you specify "depending on what the server is doing"?
> I'm running databases in 2 of the domains, one is just testing and one
> for development (compiling etc.)
> When does your dom0 need 1GB and on the other hand 2GB? I 
> would suggest
> the dom0 should always use as less memory as possible?
> 
> Jan
>