To increase the redundancy of a RAID set, hot spares should be configured in the array. Hot spares are used to automatically replace a failed drive in a RAID set temporarily, until the failed drive can be replaced. A single hot spare can be configured to provide protection for multiple RAID sets.
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by Paolo Valsecchi, Karel Novak, Andrea Mauro, Martin Gavanda, Hersey Cartwright, M
The Complete VMware vSphere Guide
- Title Page
- Copyright and Credits
- About Packt
- Contributors
- Preface
- The Virtual Data Center
- The Discovery Process
- The Design Factors
- vSphere Management Design
- Identifying vCenter components and dependencies
- Selecting a vCenter deployment option
- Determining vCenter resource requirements
- Selecting a database for the vCenter deployment
- Determining database interoperability
- Choosing a vCenter deployment topology
- Designing for management availability
- Designing a separate management cluster
- Configuring vCenter mail, SNMP, and alarms
- Using Enhanced Linked Mode
- Using the VMware Product Interoperability Matrix
- Backing up the vCenter Server components
- Planning vCenter HA to increase vCenter availability
- Upgrading vCenter Server
- Designing a vSphere Update Manager Deployment
- vSphere Storage Design
- Identifying RAID levels
- Calculating storage capacity requirements
- Determining storage performance requirements
- Calculating storage throughput
- Storage connectivity options
- Storage path selection plugins
- Sizing datastores
- Designing VSAN for virtual machine storage
- Using VMware Virtual Volumes
- Incorporating storage policies into a design
- NFS version 4.1 capabilities and limits
- Using persistent memory to maximize VM performance
- vSphere Network Design
- Determining network bandwidth requirements
- Standard or distributed virtual switches
- Providing network availability
- Network resource management
- Using private VLANs
- IP storage network design considerations
- Using jumbo frames
- Creating custom TCP/IP stacks
- Designing for VMkernel services
- vMotion network design considerations
- Using 10 GbE converged network adapters
- IPv6 in a vSphere design
- Remote direct memory access options
- vSphere Compute Design
- Calculating CPU resource requirements
- Calculating memory resource requirements
- Transparent page sharing
- Scaling up or scaling out
- Determining the vCPU-to-core ratio
- Clustering compute resources
- Reserving HA resources to support failover
- Using distributed resource scheduling to balance cluster resources
- Ensuring cluster vMotion compatibility
- Using resource pools
- Providing Fault Tolerance protection
- Leveraging host flash
- vSphere Physical Design
- Virtual Machine Design
- Right-sizing virtual machines
- Enabling CPU hot add and memory hot plug
- Using paravirtualized VM hardware
- Creating virtual machine templates
- Upgrading and installing VMware Tools
- Upgrading VM virtual hardware
- Using vApps to organize virtualized applications
- Using VM affinity and anti-affinity rules
- Using VM to Host affinity and anti-affinity rules
- Converting physical servers with vCenter Converter Standalone
- Migrating servers into vSphere
- Deployment Workflow and Component Installation
- Configuring and Managing vSphere 6.7
- Using the VMware vSphere HTML5 client
- Configuring ESXi
- Backing up and restoring ESXi
- Configuring vCSA
- Exporting and importing the vCSA configuration
- Managing data centers, clusters, and hosts
- Automating tasks with scripts
- Life Cycle Management, Patching, and Upgrading
- VM Deployment and Management
- VM Resource Management
- Availability and Disaster Recovery
- Securing and Protecting Your Environment
- Analyzing and Optimizing Your Environment
- Troubleshooting Your Environment
- Building Your Own VMware vSphere Lab
- The importance of lifelong learning
- Choosing the right platform
- Software components and licensing
- Architecture and logical design
- A detailed implementation guide
- Other Books You May Enjoy
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