Browsing Posts published by Andrea Mauro

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VMware Virtual SAN 6.0 (formally was v2.0) was a big improvement of the VMware’s hyperconverged storage solution with some important new features like the new filesystem (with powerful snapshot implementation), the concept of fault domain (to improve data resiliency), more scalability and the full flash option.

Now VMware has announced a new release: Virtual SAN (or VSAN) 6.1, with new improvements, including enhanced usability & management, advanced troubleshooting, and several new features.

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Interesting European IT events:

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Like in 2012, this year I choose to attend at the US edition of VMworld. I like it in 2012, and probably I would like also this year.

Is really different from the European one and sometimes (travels are too costly for European people) deserve a visit.

This will be my second VMworld US and I’m really curious and exited! Will be also a VMworld without a new vSphere release (or I least I’ve not seen any beta)… things are changing… new products, new strategies!

I’ve already written about my expectation and I hope that will be a great and intensive week.

 

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VMware snapshots are widely used for different purpose, but the main reason why they exist in vSphere is to help backup programs: using VADP a backup can start a VM snapshot in order to have a frozen file, copy it (or copy only the changed block with CBT and virtual hardware 7 or greater) and then release the snapshot.

Other usage are to have a just in point rollback during patches or big changes, but a recommended practice is to release the snapshot as soon as possible.

Large snapshots or broken or invalid snapshots are common issues in VMware virtual environments. And monitor the snapshots size it’s a must!

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Starting from this year, opvizor has two main products: opvizor Health analyzer (the historical SaaS product) and now also opvizor Snapwatcher.

Snapwatcher is a free product to help VMware administrators detect broken snapshots lurking in their virtual environments. The product has start as a free beta on Feb 25th 2015 and was created to address the broken or invalid snapshots issues in VMware virtual environments. The problem with these snapshots are that a single snapshot’s Delta-file is able to grow to the same size of the original file. And does not only mean a space issue, but also a potential performance issues and more snapshots are growing, more time will be needed to “delete” them (VMware use the term “delete all” with the mean of consolidate the snapshots to the current state).

Broken snapshots are a common problem and affect 81% of all VMware vSphere environments.

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In July 2015 the VMware Workstation team announced the public access to the VMware Workstation Technology Preview 2015 that has now officially becomed VMware Workstation 12.

There are a lot of news related to this new version, but one is about the two different editions: Workstation Pro and Workstation Player (formerly known as Player Pro). This split partially match the same on Fusion where there are two different editions.

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Seagate and Dot Hill Systems have announced a definitive agreement where Seagate will acquire Dot Hill to increase their storage portfolio. Seagate has a long storage history especially in hard disks: they’ve developed the first 5.25-inch hard disk drive in 1980 (the 5-megabyte ST-506), on 2006 Seagate acquired Maxtor, on 2011 acquired the Samsung‘s HDD business.

But they have also a storage experience: in 2014 Seagate acquired Xyratex a storage systems company, used in most storage enclousure. The same year it acquired LSI’s Flash Enterprise PCIe flash and SSD controller products, and its engineering capabilities. And X-IO it’s all started in 1999 with Seagate Technologies with the idea of build a new zero touch design storage: Seagate invested over $100 million in this project, but on 2007 this technology was acquired by Xiotech (in 2007) and Intellinget Storage Element (ISE) has began is life on 2008.

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