Software-Defined

Storage Spaces Direct: Parallel rebuild

Parallel rebuild is a Storage Spaces features that enables to repair a storage pool even if the failed disk is not replaced. This feature is not new to Storage Spaces Direct because it exists also since Windows Server 2012 with Storage Spaces. This is an automatic process which occurs if you have enough free space in the storage pool. This ...

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Convert VMs with StarWind V2V converter

StarWind V2V converter is a free tool provided by StarWind to convert virtual hard drive. You can convert Hyper-V virtual hard drive (VHDX) to VMware ESXi virtual hard drive (VMDK) and vice versa. Other virtual hard drive formats are supported such as qcow2. Because StarWind V2V convert only the virtual hard drive, you can’t automate the migration between hypervisor. So, ...

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Storage Spaces Direct and deduplication in Windows Server 2019

When Windows Server 2016 has been released, the data deduplication was not available for ReFS file system. With Storage Spaces Direct, the volume should be formatted in ReFS to get latest features (Accelerated VHDX operations) and to get the best performance. So, for Storage Spaces Direct data deduplication was not available. Data Deduplication can reduce the storage usage by removing ...

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Migrate VMs from VMware to Nutanix AHV with Nutanix Xtract

Nutanix AHV is a custom KVM hypervisor integrated to Nutanix ecosystem such as Prism. This is an enterprise-class hypervisor and an alternative solution to VMware ESXi or Microsoft Hyper-V when deploying Nutanix. Nutanix AHV is fully integrated to Nutanix Prism and there is no other GUI to manage this hypervisor. To eases the migration to the Nutanix hypervisor from VMware, ...

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Configure Dell S4048 switches for Storage Spaces Direct

When we deploy Storage Spaces Direct (S2D), either hyperconverged or disaggregated, we have to configure the networking part. Usually we work with Dell hardware to deploy Storage Spaces Direct and the one of the switches supported by the Dell reference architectures is the Dell S4048 (Force 10). In this topic, we will see how to configure this switch from scratch. ...

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Monitor and troubleshoot VMware vSAN performance issue

When you deploy VMware vSAN in the vSphere environment, the solution comes from several tools to monitor, find performance bottleneck and to troubleshoot VMware vSAN issue. All the information that I’ll introduce you in this topic are built-in to vCenter. Unfortunately, all vSAN configuration, metrics and alerts are not available yet from HTML5 board. So the screenshots were taken from ...

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Use Honolulu to manage your Microsoft hyperconverged cluster

Few months ago, I have written a topic about the next gen Microsoft management tool called Honolulu project. Honolulu provides management for standalone Windows Server, failover clustering and hyperconverged. Currently hyperconverged management works only on Windows Server Semi-Annual Channel (SAC) versions (I cross finger for Honolulu support on Windows Server LTSC). I have upgraded my lab to latest technical preview ...

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Deploy a Software-Defined Storage solution with StarWind Virtual SAN

StarWind Virtual SAN is a Software-Defined Storage solution which enables to replicate data across several nodes to ensure availability. The data are mirrored between two or more nodes. Hypervisor can be installed in the StarWind Virtual SAN nodes (hyperconverged) or separated from hypervisor (converged). StarWind Virtual SAN is easy to use and provide high performance. Moreover, StarWind provides pro active ...

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Storage Spaces Direct dashboard

Today I release a special Christmas gift for you. For some time, I’m writing a PowerShell script to generate a Storage Spaces Direct dashboard. This dashboard enables you to validate each important setting for a S2D cluster. I decided to write this PowerShell script to avoid to run hundred of PowerShell cmdlet and check manually returned value. With this dashboard, ...

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