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How fix the VMware vSphere 6.0 CBT issue

30 November 2015
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Reading Time: 3 minutes As you probably know VMware vSphere 6.0 had a critical issue con its Change Block Tracking (CBT) implementation that can impact all incremental backup with “VMware native” backup program (all agent-less implementation using the VMware VDAP API). This issue occurs due to an issue with CBT in the disklib area, this causes the change tracking information of I/Os that occur during snapshot consolidation to be lost. The main backup payload data is never lost and it is always written to the backend device. However, the corresponding change tracking information entries which occur during the consolidation task are missed. […]

vSphere

VMware vSphere 6 CBT issue

16 November 2015
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Reading Time: 3 minutes Changed Block Tracking (CBT) is a VMware feature introduced in vSphere 4.0 in order to implement native incremental backup at source level. VMware VDAP uses this technology and so all backup and recovery software designed for VMware use it for speed the backup. But last week a critical issue has been discovered on all vSphere 6  version (included the lates Update 1a) where Changed Block Tracking (CBT) data on ESXi 6 cannot be trusted.

vSphere none

Book review: Mastering VMware vSphere Storage

22 September 2015
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Reading Time: 5 minutes Mastering VMware vSphere Storage book is intented for users who already have some experience with the VMware vSphere platform and want to learn and design VMware vSphere storage solutions and how to troubleshoot vSphere storage issues. The main purpose of this book is monitor and optimize the storage capabilities of your vSphere environment.

General, vSphere, vStorage

VMware vSphere 5.5 U3 is now available

16 September 2015
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Reading Time: 2 minutes VMware vSphere 5.5 has a new update release and now it’s available the vSphere 5.5 U3 on the download site. For the hypervisor part, except the bug issues fixed, the most interesting news are the certification of PVSCSI Adapter, where the PVSCSI adapter is certified for use with MSCS, core clustering and applications including SQL and Exchange, and the support for Next Generation Processors, with the addition of next generation processors from Intel and AMD.

VMware, vSphere none

VMware Tools is now an independent package

14 September 2015
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Reading Time: 2 minutes As announced during the VMworld session “INF5123 – Managing vSphere Deployments and Upgrades – Part 2”, VMware Tools 10.0.0 have been released, and (starting from 3rd September) are available in the MyVMware download page as a separated package. Separated and independed from VMware Fusion, Workstation and ESXi virtualization solutions!

vSphere none

VMware vSphere 6.0U1 and Virtual SAN 6.1 are available

11 September 2015
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Reading Time: 2 minutes VMware Virtual SAN (VSAN) 6.1 was announced during the VMworld US 2015 with some new interesting features. Now it’s finally available on VMware vSphere download page. Considering that it’s implemented at hypervisor level, there isn’t a specific download: you have to upgrade (or download) vSphere 6.0 Update 1. VMware Virtual SAN 6.1 increases data protection options for business-critical environments with the new Stretched Cluster feature providing zero-point Recovery Point Objective (RPO) and enhanced VMware vSphere Replication. Additionally, VMware Virtual SAN 6.1 enables new advanced management and monitoring through deep integration with VMware vRealize Operations and […]

VMware, vSphere, vStorage

VMware VAIO is finally available

8 September 2015
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Reading Time: 2 minutes Several months ago VMware announce vSphere APIs for IO Filtering (VAIO) as a solution to implement 3rd Party Software-Defined Data Services in vSphere 6.0. VAIO offers partners the ability to put their technology directly into the IO stream of a VM through a filter that intercepts data before it is committed to disk. It’s a good and efficient idea to implement features like caching or replication without the need of external components (or appliance) or kernel modules like today. But this a partner program (like the Virtual Volumes) and unless partners have not developed this […]

VMware, vSphere none
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