Browsing Posts in vDesign

Reading Time: 4 minutesThe new Dell DR4000 Advanced Disk Backup and Disaster Recovery Solution was lauched during the last Dell Storage Forum and can optimize data management while reducing reliance on tape backups. The new Dell DR4000 Storage Platform which combines the performance and reliability of disk-based backup with innovative deduplication and compression capabilities from Dell’s Ocarina Networks acquisition. The DR4000 will compete directly with the EMC Data Domain DD160, Quantum DXi4000, Hewlett-Packard D2D StoreOnce, and ExaGrid’s EX Series. Before this product, Dell has sold EMC Data Domain solutions or specific backup vendor solutions, now it start to play in this market (as also reported in […]

Reading Time: 2 minutesKACE is not only a series of management appliances, but also a set of tools, scripts, knowledge base articles, … related to IT world with attention on IT management and security. In the free tools area, one interesting solution is a browser designed for people that require more security during Internet browsing: the name of this solution is Secure Browser. Before the Dell acquisition, this product was sold  by KACE  with a commercial license, but now it is free , both for personal and commercial use and can be downloaded from KACE web site. (just […]

Reading Time: 3 minutesMicrosoft Windows Dynamic Disks (or Dynamic Volumes) are an abstraction layer (introduced in Windows 2000) over the partitions (similar to the LVM layer on Linux environment) to decoupled the volumes (with their NTFS data) from the disk partitions and have a greater flexibility, like hot-extend a volume by simple add new partitions (but also several other advantages). But in a virtual environment there are other way to handle disk flexibility, like hot-extend a virtual disk at hypervisor level (for VMware this feature was introduced in VI 3.5U2)… so there is no need to use dynamic […]

Reading Time: < 1 minuteA best practice is a method or technique that has consistently shown results superior to those achieved with other means, and that is used as a benchmark. In addition, a “best” practice can evolve to become better as improvements are discovered. But, as well described by Frank Denneman in his post, best practices are never absolute, they depends on your specific case.

Reading Time: 3 minutesWith a vSphere 5 upgrade there is an important vDesign decision: if you already have some VMFS3 datastores could be better upgrade them to the new version of build new datastores directly with VMFS5? The upgrade procedure is quite fast and friendly and could be applied to a live datastore, so seems that there isn’t a big different between an upgrade or a clean format. But usually the recommendation is to re-format each LUN to VMFS-5 rather than upgrade it. This will fix a number of issues, including:

Reading Time: 3 minutesOne of the “issue” with vmdk in thin format is that they start “small” and then grow when you add new data… But when you delete some data, the vmdk file size is not reduced. To be honest this issue is more related to the guest file systems that does never delete the block data, but only the metada (or some of them). Of course at guest OS level you will see the right disk usage, but this will probably not match the one that you see at VMware level (that usually will be bigger).

Reading Time: 2 minutesAs described in the  release notes, one of the new features of View5 is the certificate check from the View Client (similar as the certificate check of the vSphere Client): Updated client certificate checking for View clients – View clients now follow the well-known browser model for handling certificates, displaying errors detected in the certificate presented by View Connection Server, or in the certificate trust chain. Administrators can set the Certificate verification mode group policy to enforce strict certificate checking; if any certificate error occurs, the user cannot connect to View Connection Server. Alternatively, administrators […]

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