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Category Archive for 'Technology'

Deploy ScaleIO 1.32 in virtual lab – I’m using VMware vSphere 5.5, but you can use any virtualization platform. Server minimum hardware requirements 2 CPU cores and 2 GB RAM – I’m using 2 cores and 4 GB of RAM Deploy ScaleIO 1.32 Gateway on Windows 2008/2012 R2 (if you followed this, skip to the […]

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Deploy ScaleIO 1.32 in virtual lab – I’m using VMware vSphere 5.5, but you can use any virtualization platform. Server minimum hardware requirements 2 CPU cores and 2 GB RAM – I’m using 2 cores and 4 GB of RAM Deploy your choice of Windows – I’m using Server 2012 R2, so YMMV. Deploy ScaleIO […]

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After fighting a bit with EMC ScaleIO to setup a demo on VMware, I decided there has to be an easier and more cost-effective way to implement fault-tolerant software defined storage for VMware vSphere using existing open source packages.  I have to admit I’m a fan of RHEL based solutions, so a quick Google search […]

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Install minimal install of CentOS 6 – either i386 or x86_64 and either virtual or native Login to root console Verify and/or configure network access – in minimal install, one must actively enable network interfaces via “ifup” Install prerequisite packages identified on www.ipxe.org# yum install git gcc binutils make perl syslinux geniosimage Install packages to […]

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I recently posted the following in a forum topic comparing VMware ESXi and Microsoft Hyper-V hypervisors and thought I’d slap it here for posterity: Hyper-V does not run as a service on top of Windows – which would be a Type 2 hypervisor, rather it is a Type 1 hypervisor (just like ESXi) that runs […]

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If you’re like me and you sometimes do things rather hastily in your home lab (NEVER IN PRODUCTION THOUGH), then you might have found yourself with an orphaned vCenter Server in your SCVMM 2012 console after moving away from VMware’s vSphere hypervisor (for whatever valid reason – choose from many).  Well, you’re in luck – […]

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It’s amazingly simple: echo “options iwlwifi led_mode=1” >> /etc/modprobe.d/iwlwifi.conf reboot Done and done…

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These instructions will be similar (if not identical) for core versions of server 2012 and 2008R2, but don’t quote me: Download (http://downloadcenter.intel.com) and install (http://www.intel.com/support/network/sb/cs-016040.htm) the latest drivers for your particular NIC from Intel. On each host, identify the indices of the adapters you want to include in the team (c:\progra~1\intel\dmix\cl\prosetcl.exe Adapter_Enumerate) – assuming 2 and […]

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I’m using a CentOS 6 box for HA NFS storage behind a cluster of VMware ESXi boxes. I want to make sure those ESXi hosts aren’t fighting over a single 1Gbps Ethernet interface.  Bonding 6 interfaces (3 x Intel Pro Dual-NICs) should do the trick… On 3750x: Configure switch ports (for me, that’s gi1/0/25 – […]

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First Thing First Get your WCCP-capable Cisco device setup as your internet router – I’m using a C3825 ISR running 15.1(4)M6…if you’re not using the same, your mileage may vary… Configure CentOS Deploy CentOS (6.4 at the time of writing) using the method of your choice – I used the minimal install, which is very […]

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