ganeti_web/templates/ganeti/helptips/vm_edit_kvm.html

   1 {% load i18n %}
   2 <div id="help-disk_cache">
   3     <p>
   4         {% blocktrans %}The disk cache mode. It can be either default to
   5         not pass any cache option to KVM, or one of the KVM  cache
   6         modes.{% endblocktrans %}
   7         {% trans "The possible options are" %}:
   8     </p>
   9     <ul>
  10         <li><b>None</b> - {% trans "For direct I/O" %}</li>
  11         <li> <b>Default</b> - {% trans "No cache option is sent to KVM" %}</li>
  12         <li>
  13             <b>Writethrough</b> - {% blocktrans %}To use the host cache but
  14              report completion to the guest only when the
  15              host has committed the changes to disk{% endblocktrans %}
  16         </li>
  17         <li>
  18             <b>Writeback</b>
  19              - {% blocktrans %}To use the host cache and report completion as soon
  20              as the data is in the host cache{% endblocktrans %}
  21         </li>
  22     </ul>
  23     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
  24 </div>
  25 <div id="help-kvm_flag">
  26     <p>{% blocktrans %}If <b><i>enabled</i></b> the -enable-kvm flag is
  27     passed to kvm. If <b><i>disabled</i></b> -disable-kvm is passed. If
  28     unset no flag is passed, and the default running mode for your kvm
  29     binary will be used.{% endblocktrans %}</p>
  30     <p>{% trans "Valid for the KVM hypervisor." %}</p>
  31 </div>
  32 <div id="help-mem_path">
  33     <p>
  34         {% blocktrans %}This option passes the -mem-path argument to kvm with the path
  35         (on the node) to the mount point of the hugetlbfs file system,
  36         along with the -mem-prealloc argument too.{% endblocktrans %}
  37     </p>
  38     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
  39 </div>
  40 <div id="help-migration_downtime">
  41     <p>
  42         {% blocktrans %}The maximum amount of time (in ms) a KVM instance is allowed to be
  43         frozen during a live migration, in order to copy dirty memory pages.{% endblocktrans %}
  44     </p>
  45     <p>
  46         {% blocktrans %}Default value is 30ms, but you may need to increase this value for
  47         busy instances.{% endblocktrans %}
  48     </p>
  49     <p>
  50         <b>{% trans "Note" %}</b> : {% trans "This option is only effective with KVM" %}
  51         {% trans "versions" %} >= 87 {% trans "and QEMU-KVM" %}
  52         {% trans "versions" %} >= 0.11.0.
  53     </p>
  54     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
  55 </div>
  56 <div id="help-security_model">
  57     <p>
  58         {% trans "The security model for kvm" %}.
  59         {% trans "The possible options are" %}:
  60     </p>
  61     <ul>
  62         <li><b>None</b> - {% blocktrans %}The default option. Nothing is done and
  63         instances are run as the Ganeti daemon user (normally root).{% endblocktrans %}</li>
  64         <li><b>User</b> - {% blocktrans %}KVM will drop privileges and become the
  65         user specified by the Security Domain parameter.{% endblocktrans %}</li>
  66         <li><b>Pool</b> - {% blocktrans %}A global cluster pool of users will be used,
  67         making sure no two instances share the same user on the
  68         same node.{% endblocktrans %}
  69         (<b>{% trans "Note" %}</b> : {% trans "This mode is not implemented yet" %}).</li>
  70     </ul>
  71     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
  72 </div>
  73 <div id="help-security_domain">
  74     <p>
  75         {% blocktrans %}Specifies the username to run the instance under. It must
  76         be a valid username existing on the host.{% endblocktrans %}
  77     </p>
  78     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
  79 </div>
  80 <div id="help-usb_mouse">
  81     <p>
  82         {% blocktrans %}This option specifies the usb mouse type to be used. It can be
  83         "mouse" or "tablet". When using VNC it's recommended to set
  84         it to "tablet".{% endblocktrans %}
  85     </p>
  86     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
  87 </div>
  88 <div id="help-use_chroot">
  89     <p>
  90        {% blocktrans %}This boolean option determines wether to run the KVM instance in
  91        a chroot directory.{% endblocktrans %}
  92     </p>
  93     <p>
  94        {% blocktrans %}If it is set to "true", an empty directory is created before
  95        starting the instance and its path is passed via the -chroot flag
  96        to kvm. The directory is removed when the instance is stopped.{% endblocktrans %}
  97     </p>
  98     <p>{% trans "It is set to &quot;false&quot; by default" %}.</p>
  99     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
 100 </div>
 101 <div id="help-vnc_tls">
 102     <p>
 103         {% trans "A boolean option that dictates if the VNC connection is secured with TLS" %}.
 104     </p>
 105     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
 106 </div>
 107 <div id="help-vnc_x509_path">
 108     <p>
 109         {% blocktrans %}If VNC TLS is enabled, this option specifies the path to the x509
 110         certificate.{% endblocktrans %}
 111     </p>
 112     <p>{% trans "Valid for the KVM hypervisor" %}.</p>
 113 </div>