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Educational Episodes: Hyperconverged Infrastructure (HCI)

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Microsoft SQL Server High Availability: Always On Availability Groups VS Failover Cluster Instances. What to choose and when?

Microsoft SQL Server is the backbone of many businesses, but when it comes to high availability, which path should you take: Always On Availability Groups (AG) or Failover Cluster Instances (FCI)?

Turn two VMware vSphere hosts into a full-blown cluster without breaking the bank, in 5 minutes and 5 easy steps

Security, privacy, and performance have always been a priority for many businesses even over the limitless scalability offered by the cloud. Join us for a new video, on how to transform two on-prem VMware vSphere hosts into a bulletproof high-availability (HA) cluster for improved cost-effectiveness, high VM performance and enhanced security, in 5 easy steps.

What is V2V (Virtual to Virtual)?

V2V in Focus: What’s virtual-to-virtual migration all about? Learn what V2V is, why it matters, and how it works. Check out reasons for migration, hot vs. cold migration, and tools like StarWind V2V Converter.

StarWind SAN & NAS as Hardened Repository for Veeam B&R

Ransomware is a global threat, and the best answer to it is to have immutable backups. Veeam’s Hardened Backup Repository is an efficient and cost-effective solution, but it can require some effort to configure. StarWind simplifies the process, allowing you to easily set up an immutable backup repository with just a few clicks.

ESXi is free… So why would you buy an ESXi anyway?

Most admins know that VMware offers Free and Evaluation versions of their hypervisor. However, there are still some nuances that explain why people would actually buy ESXi.

How to Convert Hyper-V to VMware VM

VMware vSphere and Microsoft Hyper-V are among the most popular type 1 enterprise hypervisors. However, their VM formats are incompatible, and it is not uncommon for users to look for an easy way to migrate a virtual machine from one hypervisor to another.

Windows Server 2022 Hyper-V VM Licensing

Software and feature licensing is often complex, requiring in-depth expertise to be licensed correctly and efficiently. Microsoft ecosystem is no exception.

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The latest updates in vSphere 6.5 and VSAN 6.5

This day has come – vSphere 6.5 has been just announced. As many of you I have been waiting for the presentation of new vSphere during VMworld event in the USA, but I guess VMware preferred to use vSphere 6.5 as a treat for those who were in doubt whether to attend VMworld Europe or not after all VMworld US were made available online to everyone; or perhaps VMware hasn’t decided what features should be included into the GA release. In this post, I will try to cover all new features of vSphere 6.5 and VSAN 6.5, but if I missed something feel free to let me know by leaving a comment. To be honest, there is so much to talk about and some of the new features require separate posts to be explained properly. Therefore, please don’t expect detailed review of the every single feature.. This is more ‘What’s new in vSphere 6.5 and VSAN 6.5’ overview, but in the future posts I will be talking about some of the most interesting improvements and enhancements in detail.

What is Key Storage Drive in Windows Server 2016 Hyper-V?

Security is a critical requirement of any organization’s system. With the release of Windows Server 2016, Microsoft puts a lot of efforts around security and added a lot of new features. One hot feature that will add a lot of benefits to any small, medium and enterprise business environments is Shielded Virtual Machines and Key Storage Drive (KSD). Be sure that’s going to help you to increase the security whether you are a service provider or enterprise customer.

  • Oksana Zybinskaya
  • October 11, 2016
  • 7 min to read

Active Directory needs a revision

What works for 100 users very often doesn’t work for 10,000, and vice versa. Few vendors worry about making software created for the enterprise meet the needs of the SMB. Those who try to fit both worlds, rarely succeed. Specifically, let us look at Active Directory (AD) replication times. By default, AD is scheduled to do inter-site replication every 180 minutes (three hours), which makes sense if the AD is huge, and one or more of the sites is on the other end of connectivity from the past. This value can be changed from the default to occur as frequently as once every 15 minutes, representing a somewhat conservative minimum replication interval.

How to Protect your Data on Nano Server using Storage Replica?

With the release of Windows Server 2016, there’s a lot of new features that have been added to increase availability and security. One hot feature that will add a lot of benefits for small, medium and enterprise business environments is Storage Replica (SR). Be sure that’s going to help you in your Disaster Recovery Plan and protect your data against catastrophic losses.

How-to Create Bootable Windows Server 2016 USB Thumb Drive for Installing OS

Microsoft has released the final version of Windows Server 2016. I thought that it might be a good idea to create a USB stick that can be used as a source to install the Windows Server 2016 OS to other servers/workstations.

There are many free tools that can be used to do the job, but sometimes you just don’t have that option or simply you do not want to use any free tools for this job. It is not so difficult to create a bootable USB, and this post will teach you how to do that in 6 easy steps.

Are We Trending Toward Disaster?

Interestingly, in the enterprise data center trade shows I have attended recently, the focus was on systemic risk and systemic performance rather than on discrete products or technologies; exactly the opposite of what I’ve read about hypervisor and cloud shows, where the focus has been on faster processors, faster storage (NVMe, 3D NAND) and faster networks (100 GbE).  This may be a reflection of the two communities of practitioners that exist in contemporary IT:  the AppDev folks and the Ops folks.

vRops 6.3 – Walkthrough new features

vRops 6.3 has been announced. I have already upgraded a test environment of mine and a few production environment and are talking to customers who what’s to upgrade ASAP. There are different great features that make an upgrade worthwhile.

Before I jump in and show case all the cool improvements and added features. A word of caution BEFORE upgrading make sure all endpoint operations agents have been upgraded. vRops 6.3 is not backward compatible with 6.x agents.

Manage VM placement in Hyper-V cluster with VMM

The placement of the virtual machines in a Hyper-V cluster is an important step to ensure performance and high availability. To make a highly available application, usually, a cluster is deployed spread across two or more virtual machines. In case of a Hyper-V node is crashing, the application must keep working.

But the VM placement concerns also its storage and its network. Let’s think about a storage solution where you have several LUNs (or Storage Spaces) according to a service level. Maybe you have an LUN with HDD in RAID 6 and another in RAID 1 with SSD. You don’t want that the VM which requires intensive IO was placed on HDD LUN.

  • Oksana Zybinskaya
  • September 23, 2016
  • 5 min to read

Samsung reveals new super-fast 960 Pro and 960 Evo M.2 NVMe SSDs

Samsung announced its 960 PRO and 960 Evo, the next generation M.2 PCIe SSDs. Like the 950 Pro, the 960 Pro and 960 Evo are PCIe 3.0 x4 drives using the latest NVMe protocol for data transfer. The 960 Pro offers a peak read speed of 3.5GB/s and a peak write speed of 2.1GB/s, while the Evo offers 3.2GB/s and 1.9GB/s respectively. The 950 topped out at a mere 2.5GB/s and 1.5GB/s.

The 960 Pro and the 960 Evo are planned for release in October. The Pro starts at $329 for 512GB of storage, rising up to a cool $1,299 for a 2TB version. The Evo price goes from $129 for a 250GB version to $479 for a 1TB version.

Windows Server 2016 Hyper-V Backup Rises to the challenges

In Windows Sever 2016 Microsoft improved Hyper-V backup to address many of the concerns mentioned in our previous Hyper-V backup challenges Windows Server 2016 needs to address:

  • They avoid the need for agents by making the API’s remotely accessible. It’s all WMI calls directly to Hyper-V.
  • They implemented their own CBT mechanism for Windows Server 2016 Hyper-V to reduce the amount of data that needs to be copied during every backup. This can be leveraged by any backup vendor and takes away the responsibility of creating CBT from the backup vendors. This makes it easier for them to support Hyper-V releases faster. This also avoids the need for inserting drivers into the IO path of the Hyper-V hosts. Sure the testing & certification still has to happen as all vendors now can be impacted by a bug MSFT introduced.
  • They are no longer dependent on the host VSS infrastructure. This eliminates storage overhead as wells as the storage fabric IO overhead associated with performance issues when needing to use host level VSS snapshots on the entire LUN/CSV for even a single VM.
  • This helps avoid the need for hardware VSS providers delivered by storage vendors and delivers better results with storage solution that don’t offer hardware providers.
  • Storage vendors and backup vendors can still integrate this with their snapshots for speedy and easy backup and restores. But as the backup work at the VM level is separated from an (optional) host VSS snapshot the performance hit is less and the total duration significantly reduced.
  • It’s efficient in regard to the number of data that needs to be copied to the backup target and stored there. This reduces capacity needed and for some vendors the almost hard dependency on deduplication to make it even feasible in regards to cost.
  • These capabilities are available to anyone (backup vendors, storage vendors, home grown PowerShell scripts …) who wishes to leverage them and doesn’t prevent them from implementing synthetic full backups, merge backups as they age etc. It’s capable enough to allow great backup solutions to be built on top of it.