Amazon released recently the Aurora Storage Engine as a MySQL-compatible relational database service and is highly encouraging to customers to migrate from Oracle or Microsoft SQL Server to this new cloud service platform. Amazon Aurora is promising up to five times better performance than MySQL with better security, availability, and reliability of a commercial database and a 10% cost of what organizations are paying. And also announced a short time ago, PostgreSQL compatibility (available as a preview).
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I am going to try to address a few issues I have seen quite a lot in my virtualization career. It is not that you have to take extra care when virtualizing, but your virtual environment will never be better than the foundation you build it on. The reason you do not see that many people fuss about it in non-virtualized environments (anymore). I believe, that resources are in abundance today. Well, they were so ten years ago as well, but since then we have only seen higher and higher specification on server hardware. It was the reason for starting to virtualize. Do not get me wrong – Lots of people care about the performance of their virtual and physical environments. Yet some have not set them self up for a successful virtualization project. Let me elaborate…
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We’re not done yet. In part II we moved from the older CSP provider to a KSP provider but now we want to start issuing certs with a SHA256 hash. That’s what we’ll do here in part III. The final step is that we move from SHA1 to SHA256 and tell the CA to work with the KSP. This is a tedious job that involves creating registry files in order to change the existing registry keys we already backed up before.
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In this article, we are going to continue testing Synology DS916+ with VSAN from StarWind. Our main goal today is to improve the performance of Synology boxes specifically on random patterns. Randoms were chosen for a reason. SQL and OLTP workloads tend to cause huge stress, especially, to spindle arrays, generating a heavily randomized I/O. Patterns we are choosing for today’s benchmark are common for such environments. There are different approaches, which can handle these workload types, such as caching and tiering. Our approach is to build environment with StarWind Log-Structured File System. LSFS was created exactly for this type of environments to improve the performance. We will compare the results we receive to the ones from Part 1 of our research.
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The technology giant Microsoft is, as many other big ones in the market, making a statement regarding CyberSecurity: They are maintaining their $1 billion investment on yearly basis for research and development in this field, which does not include any “inorganic investments” (buying other companies). The latter investments will be a separate budget.
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Microsoft Storage Spaces Direct is a new storage feature introduced in Windows Server 2016 Datacenter, which significantly extends the Software-Defined Storage stack in Windows Server product family and allows users building highly available storage systems using directly attached drives. Storage Spaces Direct, or S2D, simplifies the deployment and management of Software-Defined Storage systems and allows using more disk devices classes like SATA and NVMe drives. Previously, it was not possible to use these types of storage with clustered Storage Spaces with shared disks. Storage Spaces Direct can use drives that are locally attached to nodes in a cluster or disks that are attached to nodes using enclosure. It aggregates all the disks into a single Storage Pool and enables the creation of virtual disks on top.
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I’ve recently been spending more and more time looking into various cloud technologies such as AWS and Azure. One of the projects I’ve been working on required the on-premises active directory to be extended to Azure to allow for a future introduction of various Office365 elements. The process for doing this is fairly easy as it’s just a matter of installing the Azure Active Directory Connect tool onto a server, creating the domain in the Azure portal and then waiting for Azure AD connect to Sync.
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Time to continue our conversation about that “scaled down even further” Server 2016 installation option. In my previous article, I covered general concepts around Nano Server, now I want to switch gears and talk about more practical aspects: installation and management. At the end of the day, you would agree that the best way to learn new technology it is trying to use it – this way you will be exposed to its strengths and weaknesses directly, and can get the real understanding of whether it works for you or not. Though at this point even Microsoft admits that despite all its greatness, at the moment, Nano Server has quite limited utility as it supports only a small subset of roles and features out of those which you can find in full GUI version of Windows Server.
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Last year I have written a topic on Starwind to create VMs from PowerShell. That enables to automate the creation process without using a GUI, either from Virtual Machine Manager or Hyper-V Manager. But a VM deployment is not finished when the VM is created but when the application is deployed. Before deploying the application, the OS must also be installed and specialized. This topic shows you the method I use to deploy and specialize a VM without a single click.
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Once you have moved to a least Windows Server 2008 R2 you can take this step. Any version below doesn’t allow for this and should be considered the end of life. Many haven’t made the move from a CSP to KSP provider yet, even when they are already running Windows Server 2012 or 2012 R2 for a few reasons. There were some issues with older clients like Windows Server 2003 and Windows XP. These were fixed with a hotfix but in all seriousness, if you’re still on those OS versions you need to move a.s.a.p. and if not there’s nothing we can do to help you. A modern and secure PKI will be the last of your worries I’m afraid. For a Microsoft reference, see Migrating a Certification Authority Key from a Cryptographic Service Provider (CSP) to a Key Storage Provider (KSP).
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