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What are Erasure Coding and RAIN?

26 June 2015
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Reading Time: 4 minutesWhen you talk about data protection against hardware failure in storage system, probably RAID (Redundant Array of Independent Disks) is the first technology that you think. RAID could be hardware or software based, and in the second case it can be implemented (with functions similar to RAID, but not necessary the same) also at the filesystem level (think about ZFS, for example). But with the new hard disk drive (HDD) capacities edging upwards (6TB HDDs are now available) the traditional RAID is becoming increasingly problematic both for the rebuild time and the bottleneck related to each single […]

Highlights, vStorage

Deprecated VMFS volume warning in ESXi 6.0

11 June 2015
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Reading Time: 2 minutesRecently I’ve got a strange issue on ESXi 6.0: after an host reboot the ESXi hosts display a false positive warning: Deprecated VMFS volume(s) found on the host. Please consider upgrading volume(s) to the latest version Starting with vSphere 6.0 the VMFS3 version is now deprecated, but in my case all block based datastores were already at VMFS version 5!

VMware, vStorage , ,

DellEMC HCI portfolio

Reading Time: 2 minutesDell Storage portfolio has grown in those years, also from some acquisitions (EqualLogic and Compellent) and some partnership (like the recent with Nutanix for the XC Series) becoming more complete and spread. Actually there are three main lines in the “traditional” storage world that include: MD3 series (based on NetApp technologies), PS series (based on EqualLogic) and SC series (based on Compellent). And new solutions for the hyper-converged world, including the XC series and VMware EVO:RAIL appliances (but also other partnership, like the one with Nexenta or RedHat).

DellTechnologies, vStorage ,

Microsoft storage solution is completely scale-out

Reading Time: 4 minutesWith the new Windows Server 2016 Technical Preview 2 there are more features as described in a previous post. Some are also releated to the storage part of Windows Server platform where starting with Windows Server 2012, Microsoft has introduced lot of features including SMB3, de-duplication, a new filesystem for huge volumes (ReFS), storage spaces and the Scale-Out File Server solution. And with Windows Server 2012 R2 also a multi-tiering. With Windows Server Server 2016 are added Storage Replica (to build, for example stretched cluster), an improved storage QoS, a better deduplication engine and a […]

Microsoft, vStorage ,

Maxta news – More cloud management and insights

Reading Time: 2 minutesMaxta, a storage company that provide hyper-converged solutions, announced MxInsight and MxCloudConnect, confirming a recent trend both in the analytics applied to the storage and also in the cloud based management solutions available as SaaS. Other vendors (not only in the storage area, see for example Meraki in the network area with a real unique management solution) are moving in one or both of this directions. Of course those aspects are not related to the core technology (for Maxta the hyper-converged storage), but on the services that you can have in order to simplify the IT management.

vProducts, vStorage

Native backup issues in vSphere 6.0

Reading Time: 2 minutesCompatibility remain one of major reason for wait before a major upgrade, but now several backup products are compatible with vSphere 6.0 (see Backup products and vSphere 6.0 compatibility – Updated). Same for several other 3rd part software. But in the backup space there are still some issues that may limiting the choice of running (yet) vSphere 6.0 in production environments. As written in VMware vSphere 6.0 – Upgrade or not upgrade post one was related in CBT in ESXi 6.0 that can impact your environment also if your backup program will already support vSphere […]

vBackup, VMware

Big Switch and its Open SDN fabrics vision

Reading Time: 5 minutesI’ve already talk about Big Switch in some previous posts (see Big Switch Networks has a big announce), now there are other news both in the Big Cloud Fabric (with new version 2.6) and Big Tap Monitoring Fabric (with the new versione 4.5). The Big Tap product does not need too much explanation: it’s a 1G/10G/40G network visibility fabric that leverages high-performance bare metal Ethernet switches or Dell Open Networking switches to provide pervasive and scalable monitoring of an organization’s network traffic. The new version will add some new features and will support new switches […]

vNetworking, vProducts
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