XenStore

  • VM メタデータ重要な値のペアのレジストリ
  • dom0でのデーモンとして起動
  • xenbus経由で他のVMとの通信
  • リブートされるまでコンテントの継続
  •  /var/log/xen/xenstored-access.log.* へのログ
local = ""
domain = ""
8 = ""
vm = <span class="code-quote">"/vm/03534046-45f8-14c8-1a62-02f0cdf7ad43"</span>
vss = <span class="code-quote">"/vss/03534046-45f8-14c8-1a62-02f0cdf7ad43"</span>
name = <span class="code-quote">"Domain-8"</span>
cpu = ""
0 = ""
availability = <span class="code-quote">"online"</span>
memory = ""
<span class="code-keyword">static</span>-max = <span class="code-quote">"786432"</span>
target = <span class="code-quote">"786432"</span>
device = ""
vbd = ""
768 = ""
backend = <span class="code-quote">"/local/domain/0/backend/vbd/8/768"</span>
state = <span class="code-quote">"4"</span>
backend-id = <span class="code-quote">"0"</span>
device-type = <span class="code-quote">"disk"</span>
virtual-device = <span class="code-quote">"768"</span>
online = <span class="code-quote">"1"</span>
ring-ref = <span class="code-quote">"1536"</span>
event-channel = <span class="code-quote">"5"</span>
protocol = <span class="code-quote">"x86_32-abi"</span>
feature-surprise-remove = <span class="code-quote">"1"</span>
feature-online-resize = <span class="code-quote">"1"</span>