<section class="section" id="Dedicated_Host_Class__section_irt_x44_l5b"><h2 class="doc-tairway">在什么场景下需要购买专属宿主机DH?</h2> <p class="p">平安云专属服务器DH能满足一些特殊场景的需求，比如对安全合规性要求较高，要求性能稳定的场景，获取更多适用场景信息，您可以参考<a class="xref" href="/ssr/help/compute/Dedicated_ECS/dedicated_ecs.Application_Scenarios" target="_blank" rel="external noopener">应用场景</a>。</p> </section> <section class="section" id="Dedicated_Host_Class__section_blb_lq4_l5b"><h2 class="doc-tairway">专属宿主机DH支持扩容吗？</h2> <p class="p">不支持，专属宿主机的硬件配置已提前规划好，为物理级别资源，无法变更配置信息，请您在购买的时候提前评估业务需求。</p> </section> <section class="section" id="Dedicated_Host_Class__section_tpk_bp4_l5b"><h2 class="doc-tairway">专属宿主机DH与普通服务器有什么区别？</h2> <p class="p">专属服务器CPU按照双线程计算、资源使用自主规划；普通服务器CPU按照5倍计算，多租户共用同一台物理机。</p> <div class="p"> <img class="image" id="Dedicated_Host_Class__image_ucx_wfj_csb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20221011105152-132fefcb9157.png"> </div> </section> <section class="section" id="Dedicated_Host_Class__section_c5z_cp4_l5b"><h2 class="doc-tairway">专属宿主机DH与裸金属服务BMS有什么区别？</h2> <p class="p">专属宿主机DH是搭载了平安云虚拟化系统的宿主机，您购买专属宿主机后，可以在专属宿主机上免费创建专属实例资源。BMS属于裸金属架构，无虚拟化平台。</p> <div class="p" id="Dedicated_Host_Class___msoanchor_1"> <img class="image" id="Dedicated_Host_Class__image_l4c_bgj_csb" src="https://obs-cn-shanghai.fincloud.pinganyun.com/pacloud/20221011105152-1d96c9aa9738.png"> </div> </section> <section class="section" id="Dedicated_Host_Class__section_pvt_2p4_l5b"><h2 class="doc-tairway">为何无法释放专属宿主机DH？</h2> <p class="p">释放专属宿主机DH之前，您需要先释放该宿主机下的专属云主机、云磁盘资源，具体可参考<a class="xref" href="/ssr/help/compute/Dedicated_ECS/help.DH_Manage.Delete_DH" target="_blank" rel="external noopener">释放专属宿主机</a>。</p> </section>