• Xen – ホストOSに割り当てるメモリを設定する方法

    Posted on 7月 7th, 2010, 11:38 pm by dage

    XenのホストOS (domain0) に割り当てるメモリを設定する方法。

    OS起動時にホストOSのメモリを設定する方法。

    ・/boot/grub/grub.conf
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    # 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/VolGroup00/LogVol00
    #          initrd /initrd-version.img
    #boot=/dev/sda
    default=0
    timeout=5
    splashimage=(hd0,0)/grub/splash.xpm.gz
    hiddenmenu
    title CentOS (2.6.18-164.15.1.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-164.15.1.el5
        module /vmlinuz-2.6.18-164.15.1.el5xen ro root=/dev/VolGroup00/LogVol00
        module /initrd-2.6.18-164.15.1.el5xen.img
    title CentOS (2.6.18-164.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-164.el5
        module /vmlinuz-2.6.18-164.el5xen ro root=/dev/VolGroup00/LogVol00
        module /initrd-2.6.18-164.el5xen.img
    

    ↓ 割り当てメモリを指定
    

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    # 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/VolGroup00/LogVol00
    #          initrd /initrd-version.img
    #boot=/dev/sda
    default=0
    timeout=5
    splashimage=(hd0,0)/grub/splash.xpm.gz
    hiddenmenu
    title CentOS (2.6.18-164.15.1.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-164.15.1.el5 dom0_mem=300M
        module /vmlinuz-2.6.18-164.15.1.el5xen ro root=/dev/VolGroup00/LogVol00
        module /initrd-2.6.18-164.15.1.el5xen.img
    title CentOS (2.6.18-164.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-164.el5
        module /vmlinuz-2.6.18-164.el5xen ro root=/dev/VolGroup00/LogVol00
        module /initrd-2.6.18-164.el5xen.img
    

    そして再起動します。
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