Posts related to virtualization on VMware vSphere
In the last two years I was participating on the many designs, implementations and reviews of the vSphere on IBM/Lenovo Flex System or PureFlex, if you want to call like that. Therefore today I would like to share with you my preferred way of doing it right from vSphere perspective… Continue reading
IBM has released a flash alert regarding a new behavior introduced in vSphere 5.5 Update2 and vSphere 6.0 where VAAI ATS (Atomic Test and Set or in the other words Hardware accelerated locking) is used for heartbeat I/O. http://www-01.ibm.com/support/docview.wss?uid=ssg1S1005201 According to IBM: Due to the low timeout value for heartbeat… Continue reading
Despite being an IBMer I have greater experience with HP servers, mainly because my customers have decided to go the HP path. Nothing wrong with that if you keep the hardware happy, which means you need to have the latest and greatest BIOS and device firmware versions applied. Since we… Continue reading
Network Design Rack Server x3850 X5 with fourteen 1 GbE Network Adapters Welcome, I want to share with you one of my older network design with 1 GbE network adapters. In this example we will speak about IBM System x3850 X5, 4x Xeon 10C E7-8860, 8x Memory Expansion Cards, RAM 64x16GB… Continue reading
Recently I wrote an article about a new VMware fling VM Resource and Availability Service which can be used to simulate failure of one or more ESXi hosts. In this article I’ll describe how to associate the DRS dump with the particular cluster, using the Managed Object Reference ID (MoRef… Continue reading
VMware recently introduced a new VM Resource and Availability Service fling, which helps you to identify the available resources in case of one or more ESXi hosts fail. The output will show how many VMs will be safely restarted, how many of them will be experiencing performance issue and how… Continue reading
The truth is that big part of IT population does not clearly understand what Docker is. I recently got a question from one of my customers, if I can perform conversion of a Docker container to a full VM. “We developed an app in Container, now we want to… Continue reading
Update 1.4.2015 : added vSphere Data Protection, updated vSphere Replication, corrected host max VMs, added VVOL details vSphere 6.0 is out since 2nd of February 2015 lets see whats new: 1. Compute Features the new virtual hardware ‘version 11’ 128 vCPUs (64 vCPU with 5.5) 4TB of RAM (NUMA aware) (1TB… Continue reading
I would like to share an experience with vMotion problem, which I’ve met a while ago during upgrade of few hosts from ESXi 4.1 to ESXi5.0. Environment: IBM x3850 M2 /x3950 M2 -[72334RG]- with Integrated Dual-port Broadcom 5709C PCI Express Gigabit Ethernet controller, 2 dual-port ISP2432-based 4Gb Fibre Channel to PCI Express… Continue reading
Few weeks ago VMware released the announced during VMworld 2014 vRealize Operation Manager 6 which is the successor of vCenter Operation Manager. Changing the name of the product this time is not just a marketing approach, but a very big change in the product architecture. Having the product installation in… Continue reading
