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Disable “Extended Page Table” (EPT) in DELL Citrix XenServer

How to disable “Extended Page Table” in DELL Citrix XenServer? As information given in

CTX122348 and CTX122627

was not working in DELL’s OEM edition of Citrix XenServer a workaround.

  • root to Xen Console
  • fdisk –l on boot drive (f.e. fdisk –l /dev/sda)
  • find boot partition, which is this one with FAT16 and * in boot column
  • mount this partition (f.e. mount /dev/sda1 /mnt)
  • edit start file and set default to backup partition (f.e. vi /mnt/syslinux.cfg -> change DEFAULT = 2) -> make a backup before!!!
  • save and reboot
  • mount backup primary partition (partition 5) (f.e. mount /dev/sda5 /mnt)
  • edit extlinux.conf as describeb from Citrix (f.e. sed -i 's/\(dom0_mem=\)/hap=0 \1/' /mnt/boot/extlinux.conf) -> make a backup before !!!
  • set default start partition to primary again (step’s 2-5 -> DEFAULT = 1)
  • reboot
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    Tags: dell, EPT, How to, linux, XenServer

    This entry was posted on Tuesday, November 10th, 2009 at 14:58 and is filed under How to, Xen. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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