存储空间直通的硬件要求Storage Spaces Direct hardware requirements

适用于:Windows Server 2019、Windows Server 2016Applies to: Windows Server 2019, Windows Server 2016

本主题介绍存储空间直通的最低硬件要求。This topic describes minimum hardware requirements for Storage Spaces Direct.

对于生产环境,Microsoft 建议在我们的合作伙伴,包括部署工具和过程购买已验证的硬件/软件解决方案。For production, Microsoft recommends purchasing a validated hardware/software solution from our partners, which include deployment tools and procedures. 这些解决方案设计、 组装和根据我们的参考体系结构,以确保兼容性和可靠性,因此你和快速运行验证。These solutions are designed, assembled, and validated against our reference architecture to ensure compatibility and reliability, so you get up and running quickly. 对于 Windows Server 2019 解决方案,请访问Azure Stack HCI solutions 网站For Windows Server 2019 solutions, visit the Azure Stack HCI solutions website. 对于 Windows Server 2016 的解决方案,了解详细信息,请Windows Server 软件定义For Windows Server 2016 solutions, learn more at Windows Server Software-Defined.

提示

想要评估存储空间直通,但没有硬件?Want to evaluate Storage Spaces Direct but don't have hardware? 使用 HYPER-V 或 Azure 虚拟机中所述使用存储空间直通中来宾虚拟机群集Use Hyper-V or Azure virtual machines as described in Using Storage Spaces Direct in guest virtual machine clusters.

基本要求Base requirements

系统、 组件、 设备和驱动程序必须是认证的 Windows Server 2016每个Windows Server 目录Systems, components, devices, and drivers must be Windows Server 2016 Certified per the Windows Server Catalog. 此外,我们建议服务器、 驱动器、 主机总线适配器和网络适配器具有软件定义数据中心 (SDDC) 标准和/或软件定义数据中心 (SDDC) 高级附加资格 (AQs),如如下图所示。In addition, we recommend that servers, drives, host bus adapters, and network adapters have the Software-Defined Data Center (SDDC) Standard and/or Software-Defined Data Center (SDDC) Premium additional qualifications (AQs), as pictured below. 有 SDDC AQs 具有超过 1000 个组件。There are over 1,000 components with the SDDC AQs.

显示 SDDC AQs 在 Windows Server 目录的屏幕截图

完全配置的群集 (服务器、 网络和存储) 必须通过所有群集验证测试每个故障转移群集管理器中或使用该向导Test-Cluster cmdlet在 PowerShell 中。The fully configured cluster (servers, networking, and storage) must pass all cluster validation tests per the wizard in Failover Cluster Manager or with the Test-Cluster cmdlet in PowerShell.

此外,满足以下要求:In addition, the following requirements apply:

服务器Servers

  • 最少 2 台服务器,最多 16 台服务器Minimum of 2 servers, maximum of 16 servers
  • 建议所有服务器的相同制造商和型号Recommended that all servers be the same manufacturer and model

CPUCPU

  • 以及 Intel Nehalem 或更高版本的兼容处理器;或Intel Nehalem or later compatible processor; or
  • AMD EPYC 或更高版本的兼容处理器AMD EPYC or later compatible processor

内存Memory

  • Windows Server、 Vm 和其他应用程序或工作负荷; 的内存plusMemory for Windows Server, VMs, and other apps or workloads; plus
  • 4 GB 的 RAM 每 tb 的存储空间直通的元数据的每台服务器上的缓存驱动器容量4 GB of RAM per terabyte (TB) of cache drive capacity on each server, for Storage Spaces Direct metadata

启动Boot

  • Windows Server 支持的任何启动设备的现在包括 SATADOMAny boot device supported by Windows Server, which now includes SATADOM
  • RAID 1 镜像已必需的但启动支持RAID 1 mirror is not required, but is supported for boot
  • 建议:200 GB 的最小大小Recommended: 200 GB minimum size

网络Networking

最小值 (适用于小规模 2-3 个节点)Minimum (for small scale 2-3 node)

  • 10 Gbps 网络接口10 Gbps network interface
  • 2 节点直接连接 (无交换机) 支持Direct-connect (switchless) is supported with 2-nodes

建议 (适用于高性能、 规模或 4 及更多节点部署在)Recommended (for high performance, at scale, or deployments of 4+ nodes)

  • Nic 的远程直接内存访问 (RDMA) 支持,(推荐) iWARP 或 RoCENICs that are remote-direct memory access (RDMA) capable, iWARP (recommended) or RoCE
  • 针对冗余性和性能的两个或多个 NicTwo or more NICs for redundancy and performance
  • 25 Gbps 网络接口或更高版本25 Gbps network interface or higher

驱动器Drives

存储空间直通适用于直接连接 SATA、 SAS 或 NVMe 驱动器的物理连接到只需一台服务器。Storage Spaces Direct works with direct-attached SATA, SAS, or NVMe drives that are physically attached to just one server each. 有关选择驱动器的更多帮助,请参阅选择驱动器主题。For more help choosing drives, see the Choosing drives topic.

  • 都被支持 SATA、 SAS 和 NVMe (M.2、 U.2,并添加在卡) 驱动器SATA, SAS, and NVMe (M.2, U.2, and Add-In-Card) drives are all supported
  • 支持 512n、 512e 和 4k 本机驱动器512n, 512e, and 4K native drives are all supported
  • 固态驱动器必须提供电源中断保护Solid-state drives must provide power-loss protection
  • 相同数量和类型的驱动器中的每个服务器 – 请参阅驱动器对称性注意事项Same number and types of drives in every server – see Drive symmetry considerations
  • 缓存设备必须是 32 GB 或更大Cache devices must be 32 GB or larger
  • 永久性内存设备缓存设备时,必须使用 NVMe 或 SSD 容量设备 (不能使用 Hdd)When using persistent memory devices as cache devices, you must use NVMe or SSD capacity devices (you can't use HDDs)
  • NVMe 驱动程序是 Microsoft 的内置或更新 NVMe 驱动程序。NVMe driver is Microsoft's in-box or updated NVMe driver.
  • 建议:容量驱动器的数量是整数倍的缓存驱动器数Recommended: Number of capacity drives is a whole multiple of the number of cache drives
  • 建议:缓存驱动器应具有较高的写入耐用性: 至少 3 个驱动器的写入-每天 (DWPD) 或至少为 4 千吉字节 (TBW) 编写每日 – 请参阅了解驱动器兆兆字节写入 (TBW) 和所需的最低建议用于存储每一天 (DWPD) 写入空间直通Recommended: Cache drives should have high write endurance: at least 3 drive-writes-per-day (DWPD) or at least 4 terabytes written (TBW) per day – see Understanding drive writes per day (DWPD), terabytes written (TBW), and the minimum recommended for Storage Spaces Direct

下面是可以连接的存储空间直通的驱动器的方式:Here's how drives can be connected for Storage Spaces Direct:

  • 直接连接 SATA 驱动器Direct-attached SATA drives
  • 直连 NVMe 驱动器Direct-attached NVMe drives
  • SAS 驱动器的 SAS 主机总线适配器 (HBA)SAS host-bus adapter (HBA) with SAS drives
  • SATA 驱动器的 SAS 主机总线适配器 (HBA)SAS host-bus adapter (HBA) with SATA drives
  • 不支持: RAID 控制器卡或 SAN (光纤通道、 iSCSI、 FCoE) 存储。NOT SUPPORTED: RAID controller cards or SAN (Fibre Channel, iSCSI, FCoE) storage. 主机总线适配器 (HBA) 卡必须实现简单的传递模式。Host-bus adapter (HBA) cards must implement simple pass-through mode.

互连设备的受支持的驱动器的关系图

驱动器可以在服务器的内部或外部机箱中这是到只剩一个连接的服务器。Drives can be internal to the server, or in an external enclosure that is connected to just one server. SCSI 机箱服务 (SES) 是必需的槽映射和标识。SCSI Enclosure Services (SES) is required for slot mapping and identification. 每个外部机箱必须提供唯一标识符 (唯一 ID)。Each external enclosure must present a unique identifier (Unique ID).

  • 服务器的内部驱动器Drives internal to the server
  • 驱动器连接到一个服务器到外部机器 ("JBOD")Drives in an external enclosure ("JBOD") connected to one server
  • 不支持: 共享的 SAS 存储设备连接到多个服务器或任何形式的多路径 IO (MPIO) 驱动器是可由多个路径访问。NOT SUPPORTED: Shared SAS enclosures connected to multiple servers or any form of multi-path IO (MPIO) where drives are accessible by multiple paths.

互连设备的受支持的驱动器的关系图

驱动器的最小数目 (不包括启动驱动器)Minimum number of drives (excludes boot drive)

  • 如果有用作缓存的驱动器,则每个服务器必须至少有 2 个驱动器If there are drives used as cache, there must be at least 2 per server
  • 每个服务器必须至少有 4 个容量(非缓存)驱动器There must be at least 4 capacity (non-cache) drives per server
存在驱动器类型Drive types present 所需的最小数量Minimum number required
所有永久性内存 (相同的模型)All persistent memory (same model) 4 永久性内存4 persistent memory
所有 NVMe(同一型号)All NVMe (same model) 4 个 NVMe4 NVMe
所有 SSD(同一型号)All SSD (same model) 4 个 SSD4 SSD
永久性内存 + NVMe 或 SSDPersistent memory + NVMe or SSD 2 个持久的内存 + 4 NVMe 或 SSD2 persistent memory + 4 NVMe or SSD
NVMe + SSDNVMe + SSD 2 个 NVMe + 4 个 SSD2 NVMe + 4 SSD
NVMe + HDDNVMe + HDD 2 个 NVMe + 4 个 HDD2 NVMe + 4 HDD
SSD + HDDSSD + HDD 2 个 SSD + 4 个 HDD2 SSD + 4 HDD
NVMe + SSD + HDDNVMe + SSD + HDD 2 个 NVMe + 4 个其他2 NVMe + 4 Others

备注

此表提供有关硬件部署的最小值。This table provides the minimum for hardware deployments. 如果已部署的虚拟机和虚拟化存储,例如 Microsoft Azure,请参阅使用存储空间直通中来宾虚拟机群集If you're deploying with virtual machines and virtualized storage, such as in Microsoft Azure, see Using Storage Spaces Direct in guest virtual machine clusters.

最大容量Maximum capacity

最大值Maximums Windows Server 2019Windows Server 2019 Windows Server 2016Windows Server 2016
每个服务器的原始容量Raw capacity per server 100 TB100 TB 100 TB100 TB
池容量Pool capacity 4 PB (4,000 TB)4 PB (4,000 TB) 1 PB1 PB