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Diff for /wikisrc/ports/xen/howto.mdwn between versions 1.69 and 1.70

version 1.69, 2014/12/31 00:33:48 version 1.70, 2015/01/04 02:10:06
Line 875  NetBSD as a domU in a VPS Line 875  NetBSD as a domU in a VPS
 The bulk of the HOWTO is about using NetBSD as a dom0 on your own  The bulk of the HOWTO is about using NetBSD as a dom0 on your own
 hardware.  This section explains how to deal with Xen in a domU as a  hardware.  This section explains how to deal with Xen in a domU as a
 virtual private server where you do not control or have access to the  virtual private server where you do not control or have access to the
 dom0.  dom0.  This is not intended to be an exhaustive list of VPS providers;
   only a few are mentioned that specifically support NetBSD.
   
 VPS operators provide varying degrees of access and mechanisms for  VPS operators provide varying degrees of access and mechanisms for
 configuration.  The big issue is usually how one controls which kernel  configuration.  The big issue is usually how one controls which kernel
 is booted, because the kernel is nominally in the dom0 filesystem (to  is booted, because the kernel is nominally in the dom0 filesystem (to
 which VPS users do not normally have acesss).  which VPS users do not normally have acesss).  A second issue is how
   to install NetBSD.
   
 A VPS user may want to compile a kernel for security updates, to run  A VPS user may want to compile a kernel for security updates, to run
 npf, run IPsec, or any other reason why someone would want to change  npf, run IPsec, or any other reason why someone would want to change
Line 907  pvgrub is a version of grub that uses PV Line 909  pvgrub is a version of grub that uses PV
 calls.  It is booted from the dom0 as the domU kernel, and then reads  calls.  It is booted from the dom0 as the domU kernel, and then reads
 /grub/menu.lst and loads a kernel from the domU filesystem.  /grub/menu.lst and loads a kernel from the domU filesystem.
   
 [prgmr.com](http://prgmr.com/) uses this approach to let users choose  [Panix](http://www.panix.com/) lets users use pvgrub.  Panix reports
 their own operating system and kernel.  See then [prgmr.com NetBSD  that pvgrub works with FFsv2 with default "newfs -O2" as well as
   16K/2K and 32K/4K block/frag sizes.  See [Panix's pvgrub
   page](http://www.panix.com/v-colo/grub.html), which describes only
   Linux but should be updated to cover NetBSD :-)
   
   [prgmr.com](http://prgmr.com/) also lets users with pvgrub to boot
   their own kernel.  See then [prgmr.com NetBSD
 HOWTO](http://wiki.prgmr.com/mediawiki/index.php/NetBSD_as_a_DomU).  HOWTO](http://wiki.prgmr.com/mediawiki/index.php/NetBSD_as_a_DomU).
   
 Because [grub's FFS code](http://xenbits.xensource.com/hg/xen-unstable.hg/file/bca284f67702/tools/libfsimage/ufs/fsys_ufs.c)  It appears that [grub's FFS
 appears not to support all aspects of modern FFS,  code](http://xenbits.xensource.com/hg/xen-unstable.hg/file/bca284f67702/tools/libfsimage/ufs/fsys_ufs.c)
 typically one has an ext2 or FAT partition for the kernel, so that  does not support all aspects of modern FFS, but there are also reports
 grub can understand it, which leads to /netbsd not being the actual  that FFSv2 works fine.  At prmgr, typically one has an ext2 or FAT
 kernel.  One must remember to update the special boot partiion.  partition for the kernel with the intent that grub can understand it,
   which leads to /netbsd not being the actual kernel.  One must remember
   to update the special boot partiion.
   
 Amazon  Amazon
 ------  ------
Line 939  TODO items for improving NetBSD/xen Line 949  TODO items for improving NetBSD/xen
 * Get PCI passthrough working on Xen 4.2 (or 4.4).  * Get PCI passthrough working on Xen 4.2 (or 4.4).
 * Get pvgrub into pkgsrc, either via xentools or separately.  * Get pvgrub into pkgsrc, either via xentools or separately.
 * grub  * grub
   * Add support to pkgsrc grub2 for UFS2 and arbitrary    * Check/add support to pkgsrc grub2 for UFS2 and arbitrary
     fragsize/blocksize (UFS2 support may be present; the point is to      fragsize/blocksize (UFS2 support may be present; the point is to
     make it so that with any UFS1/UFS2 filesystem setup that works      make it so that with any UFS1/UFS2 filesystem setup that works
     with NetBSD grub will also work).      with NetBSD grub will also work).
       See [pkg/40258](http://gnats.netbsd.org/40258).
   * Push patches upstream.    * Push patches upstream.
   * Get UFS2 patches into pvgrub.    * Get UFS2 patches into pvgrub.
 * Add support for PV ops to a version of /boot, and make it usable as  * Add support for PV ops to a version of /boot, and make it usable as
Removed from v.1.69  
changed lines
  Added in v.1.70

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