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From: "Mr. Teo En Ming (Zhang Enming)" <space.time.universe@gmail.com>
To: "Pasi Kärkkäinen" <pasik@iki.fi>
Cc: jp.pozzi@izzop.net, xen-devel@lists.xensource.com,
	space.time.universe@gmail.com, xen-users@lists.xensource.com,
	Robert Dunkley <Robert@saq.co.uk>
Subject: Re: Re: [Xen-users] Max. PV and HVM Guests
Date: Mon, 9 Nov 2009 21:10:49 +0800	[thread overview]
Message-ID: <f712b9cf0911090510s50ce42eaxf2beff3cc5a361e7@mail.gmail.com> (raw)
In-Reply-To: <20091109121811.GH16033@reaktio.net>


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Great! After setting dom0_mem=1024M, I can start all 5 nodes of my Rocks HPC
cluster without crashing dom0 as compared to the previous limit of 3 nodes
when I did not set dom0_mem.

Thank you Pasi! Another resource problem solved.

Here's my latest grub.conf:

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro
root=/dev/mapper/vg_fedora11_host-lv_root
#          initrd /initrd-version.img
#boot=/dev/sda
default=4
timeout=100
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora (2.6.31.5-xen-enming.teo)
    root (hd0,0)
#    kernel /vmlinuz-2.6.31.5-xen-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#    initrd /initrd-2.6.31.5-xen-enming.teo.img
    kernel /xen.gz dom0_mem=1024M iommu=1
    module /vmlinuz-2.6.31.5-xen-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0 nomodeset
    module /initrd-2.6.31.5-xen-enming.teo.img
title Fedora (2.6.31.4-xen-enming.teo)
    root (hd0,0)
#    kernel /vmlinuz-2.6.31.4-xen-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#    initrd /initrd-2.6.31.4-xen-enming.teo.img
    kernel /xen.gz dom0_mem=1024M iommu=1
    module /vmlinuz-2.6.31.4-xen-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0 nomodeset
    module /initrd-2.6.31.4-xen-enming.teo.img
title Fedora (2.6.31.1-xen-enming.teo)
    root (hd0,0)
#    kernel /vmlinuz-2.6.31.1-xen-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#    initrd /initrd-2.6.31.1-xen-enming.teo.img
    kernel /xen.gz dom0_mem=1024M iommu=1
    module /vmlinuz-2.6.31.1-xen-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0 nomodeset
    module /initrd-2.6.31.1-xen-enming.teo.img
title Fedora (2.6.31-enming.teo)
    root (hd0,0)
    kernel /vmlinuz-2.6.31-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
    initrd /initrd-2.6.31-enming.teo.img
title Fedora (2.6.30.5-enming.teo)
    root (hd0,0)
    kernel /vmlinuz-2.6.30.5-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
    initrd /initrd-2.6.30.5-enming.teo.img
title Fedora (2.6.18.8-enming.teo)
    root (hd0,0)
#    kernel /vmlinuz-2.6.18.8-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#    initrd /initrd-2.6.18.8-enming.teo.img
    kernel /xen.gz dom0_mem=1024M iommu=1
    module /vmlinuz-2.6.18.8-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root
    module /initrd-2.6.18.8-enming.teo.img
title Fedora (2.6.31-rc6-enming.teo) with Serial Console
        root (hd0,0)
#       kernel /vmlinuz-2.6.31-rc6-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#       initrd /initrd-2.6.31-rc6-enming.teo.img
        kernel /xen.gz dom0_mem=1024M iommu=1 iommu_inclusive_mapping=1
com1=115200,8n1 console=com1
#       module /vmlinuz-2.6.31-rc6-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root selinux=0 xencons=ttyS0
console=ttyS0,115200
    module /vmlinuz-2.6.31-rc6-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root selinux=0 console=hvc0
earlyprintk=xen
        module /initrd-2.6.31-rc6-enming.teo.img
title Fedora (2.6.30-rc3-enming.teo-tip) with Serial Console
        root (hd0,0)
#       kernel /vmlinuz-2.6.30-rc3-enming.teo-tip ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#       initrd /initrd-2.6.30-rc3-enming.teo-tip.img
        kernel /xen.gz dom0_mem=1024M iommu=1 iommu_inclusive_mapping=1
com1=115200,8n1 console=com1
#       module /vmlinuz-2.6.30-rc3-enming.teo-tip ro
root=/dev/mapper/vg_fedora11_host-lv_root selinux=0 xencons=ttyS0
console=ttyS0,115200
    module /vmlinuz-2.6.30-rc3-enming.teo-tip ro
root=/dev/mapper/vg_fedora11_host-lv_root selinux=0 console=hvc0
earlyprintk=xen
        module /initrd-2.6.30-rc3-enming.teo-tip.img

title Fedora (2.6.31-rc6-enming.teo)
    root (hd0,0)
#    kernel /vmlinuz-2.6.31-rc6-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#    initrd /initrd-2.6.31-rc6-enming.teo.img
    kernel /xen.gz dom0_mem=1024M iommu=1
    module /vmlinuz-2.6.31-rc6-enming.teo ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0 nomodeset
    module /initrd-2.6.31-rc6-enming.teo.img
title Fedora (2.6.30-rc3-enming.teo-tip)
    root (hd0,0)
#    kernel /vmlinuz-2.6.30-rc3-enming.teo-tip ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
#    initrd /initrd-2.6.30-rc3-enming.teo-tip.img
    kernel /xen.gz dom0_mem=1024M iommu=1
    module /vmlinuz-2.6.30-rc3-enming.teo-tip ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0 nomodeset
    module /initrd-2.6.30-rc3-enming.teo-tip.img
title Fedora (2.6.29.4-167.fc11.x86_64)
    root (hd0,0)
    kernel /vmlinuz-2.6.29.4-167.fc11.x86_64 ro
root=/dev/mapper/vg_fedora11_host-lv_root rhgb quiet selinux=0
    initrd /initrd-2.6.29.4-167.fc11.x86_64.img

-- 
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics) BEng(Hons)(Mechanical
Engineering)
Alma Maters:
(1) Singapore Polytechnic
(2) National University of Singapore
My Primary Blog: http://teo-en-ming-aka-zhang-enming.blogspot.com
My Secondary Blog: http://enmingteo.wordpress.com
My Youtube videos: http://www.youtube.com/user/enmingteo
Email: space.time.universe@gmail.com
Mobile Phone (Starhub Prepaid): +65-8369-2618
Street: Bedok Reservoir Road
Country: Singapore

On Mon, Nov 9, 2009 at 8:18 PM, Pasi Kärkkäinen <pasik@iki.fi> wrote:

> On Mon, Nov 09, 2009 at 08:14:27PM +0800, Mr. Teo En Ming (Zhang Enming)
> wrote:
> >    What is a good value for dom0_mem if I want to start X server and run
> >    GNOME? Will 512 MB be too little?
> >
>
> Go for 1024 MB then..
>
> -- Pasi
>
>

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_______________________________________________
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  reply	other threads:[~2009-11-09 13:10 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-08 11:45 Max. PV and HVM Guests Mr. Teo En Ming (Zhang Enming)
2009-11-08 11:46 ` Mr. Teo En Ming (Zhang Enming)
2009-11-08 13:01 ` Moi meme
2009-11-09  8:17   ` [Xen-users] " Robert Dunkley
2009-11-09 10:52     ` Mr. Teo En Ming (Zhang Enming)
2009-11-09 11:53       ` Mr. Teo En Ming (Zhang Enming)
2009-11-09 11:54       ` [Xen-devel] " Pasi Kärkkäinen
2009-11-09 12:01         ` Re: [Xen-users] " Mr. Teo En Ming (Zhang Enming)
2009-11-09 12:05           ` Pasi Kärkkäinen
2009-11-09 12:14             ` Mr. Teo En Ming (Zhang Enming)
2009-11-09 12:18               ` Pasi Kärkkäinen
2009-11-09 13:10                 ` Mr. Teo En Ming (Zhang Enming) [this message]
2009-11-09 14:37                   ` [Xen-devel] " Mr. Teo En Ming (Zhang Enming)
2009-11-08 13:50 ` Pasi Kärkkäinen
2009-11-08 16:30   ` [Xen-devel] " Grant McWilliams
2009-11-09  3:35   ` Mr. Teo En Ming (Zhang Enming)
2009-11-09 15:06 Re: [Xen-users] " Nick Couchman
2009-11-09 15:18 ` [Xen-devel] " Keir Fraser
2009-11-09 15:29   ` Re: [Xen-users] " Nick Couchman
2009-11-09 15:17 [Xen-devel] " Pasi Kärkkäinen
2009-11-09 15:24 ` Keir Fraser
2009-11-09 15:27   ` Re: [Xen-users] " Pasi Kärkkäinen
2009-11-09 15:39 ` Dan Magenheimer

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