- Notes, cautions, and warnings
- Introduction
- Terminology
- Hardware best practices
- Networking best practices
- Windows Server 2012 R2 best practices
- Microsoft Storage Spaces best practices
- Cluster best practices
- Scale-Out File Server best practices
- Converged best practices
- Getting help
Dell Storage with Microsoft Storage Spaces Best Practices Guide
Terminology
- Resiliency —Refers to the method by which a virtual
disk (VD) is protected against physical disk failures.
There are three types of resiliency options for Microsoft Storage Spaces—Simple, Mirrored, and Parity.
- Simple VD —Data is striped across the physical disks and there is no resiliency provided. There is no protection against physical disk failures.
- Mirrored VD—Data is striped across physical disks and an extra one or two copies of the data is also written to a second set of physical disk to protect against physical disk failures. A two-way mirror can tolerate one physical disk failure, while a three-way mirror can tolerate two physical disk failures.
- Parity VD—Data is striped across the physical disk along with parity information. There are two types of parity options—single parity and dual parity. Single parity writes one copy of parity information protecting against one hard drive failure, while dual parity writes two copies and protects against two hard disk drive (HDD) failures.
- Scale-Out File Server (SOFS) —A role that enables a cluster to act as an active-active file server, which increases performance and provides highly available SMB file shares.
- Hyper-V —A role that enables a server to host multiple guest virtual machines (VMs) that share the underlying hardware resources by virtualizing the processors, memory, and storage.
- Storage node—A physical server, which is a member of a SOFS failover cluster.
- Compute node—A physical server, which is a member of a failover cluster running a compute workload (for example, Hyper-V and SQL)
- Storage pools —A group of physical disks, which allows you to manage and use the combined disk space of all the physical disks in the pool.
- Storage Spaces —Virtual disks (VDs) created from free disk space in a storage pool. You can configure each Storage Space with a specific resiliency and storage tiers.
- Storage tiers—Enables increased performance by creating and managing two separate data tiers — one SSD tier and one HDD tier. Frequently accessed data is stored on the high-speed SSD tier and less frequently accessed data is stored on the HDD tier.
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