Diff for /wikisrc/ports/xen/howto.mdwn between versions 1.167 and 1.169

version 1.167, 2019/12/17 20:59:09 version 1.169, 2020/05/25 09:28:21
Line 337  will trigger controlled shutdowns of all Line 337  will trigger controlled shutdowns of all
 CPU and memory  CPU and memory
 --------------  --------------
   
 A domain is provided with some number of vcpus, less than the number  A domain is provided with some number of vcpus, up to the number
 of CPUs seen by the hypervisor. For a domU, it is controlled  of CPUs seen by the hypervisor. For a domU, it is controlled
 from the config file by the "vcpus = N" directive.  from the config file by the "vcpus = N" directive.
   
Line 657  A second issue is multiple CPUs.  With N Line 657  A second issue is multiple CPUs.  With N
 multiple vcpus, and it is typical for VPS providers to enable multiple  multiple vcpus, and it is typical for VPS providers to enable multiple
 CPUs for NetBSD domUs.  CPUs for NetBSD domUs.
   
 pygrub  
 -------  
   
 pygrub runs in the dom0 and looks into the domU file system.  This  
 implies that the domU must have a kernel in a file system in a format  
 known to pygrub.  As of 2014, pygrub seems to be of mostly historical  
 interest.  
   
 pvgrub  pvgrub
 ------  ------
   
Line 691  partition for the kernel with the intent Line 683  partition for the kernel with the intent
 which leads to /netbsd not being the actual kernel.  One must remember  which leads to /netbsd not being the actual kernel.  One must remember
 to update the special boot partition.  to update the special boot partition.
   
   pygrub
   -------
   
   pygrub runs in the dom0 and looks into the domU file system.  This
   implies that the domU must have a kernel in a file system in a format
   known to pygrub.
   
   pygrub doesn't seem to work to load Linux images under NetBSD dom0,
   and is inherently less secure than pvgrub due to running inside dom0. For both these
   reasons, pygrub should not be used, and is only still present so that
   historical DomU images using it still work.
   
   As of 2014, pygrub seems to be of mostly historical
   interest. New DomUs should use pvgrub.
   
 Amazon  Amazon
 ------  ------
   

Removed from v.1.167  
changed lines
  Added in v.1.169


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