Just Another ESXi 6.0 Storage APD Handling Bug

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It’s been a while since we experienced partial outage on our storage infrastructure running under IBM SVC storage. Few LUNs (vdisks in IBM SVC world) presented from storage went offline. I’m not going into details why it happened as HW problems just happens sometimes. Important thing is how are you … Continue reading

SoftLayer local disk performance SATA/vSAN/SSD

SoftLayer local disk performance SATA/vSAN/SSD What disk performance you can expect from local drives in Softlayer with VMware vSphere6, vSAN & local SATA or SSD drives? This article is here to help you see and decide if performance will be enough for your needs. I have 3 hosts with: hardware … Continue reading

Updated: Building vSphere 6 with VSAN on IBM Softlayer: Part 4 – Configuring VSAN on Softlayer

UPDATED(24.02.2016): Driver version changed, additional details added. UPDATED(12.07.2016): Driver changed. VMware KB added Updated(28.07.2016): Softlayer automated Firmware Update method added. Update(03.02.2017): It looks like new servers ordered from Softlayer come with proper megaraid driver preinstalled. Please check if that’s the case for you, before making changes. Update(26.04.2017): If you are an IBMer building … Continue reading

Building vSphere 6 with VSAN on IBM Softlayer: Part 3 – Configuring Networking on Softlayer

Now when we have ESXis installed and vCenter server deployed, we need to do some patching and, of course, networking config. First, it is always a good idea to have your vSphere environment up to date. The thing is that Softlayer uses Images to provision servers and those images are not … Continue reading

Building vSphere 6 with VSAN on IBM Softlayer: Part 2 – Ordering vCenter server on Softlayer

This is the second part of Building vSphere 6 with VSAN on IBM Softlayer series. In the first part we’ve discussed how to order bare metal server with ESXi 6 installed. In this part I will show how to order vCenter Server 6 on a Windows Cloud Instance (aka CI – … Continue reading

Building vSphere 6 with VSAN on IBM Softlayer: Part 1 – Ordering ESXi hosts on Softlayer.

I am recently spending a lot of time with IBM Softlayer, in particular I am building vSphere running inside Softlayer. In this series of articles I want to show how you can build an environment with vSphere 6 and VSAN inside Softlayer. One important note: although I work in IBM, my view is form … Continue reading

IBM FlashSystem V9000 and VMware vSphere ESXi Guidelines

I’m really glad I had opportunity to participate on a RedBook residency regarding IBM FlashSystem V9000 and VMware “Best Practices” (it was actually one of my last thing which I did as IBMer) and till the RedPaper is released for public I decided to write a sneak peek with some … Continue reading

A new IBM SVC, Storwize (Spectrum Virtualize) v7.5 brings VVols, HyperSwap…

IBM made an announcement last week that a new IBM Spectrum Virtualize Software V7.5.0 is coming soon (5th June 2015), which will bring supports for the features like vSphere VVols, HyperSwap, Microsoft ODX… If you haven’t heard yet, IBM replaced Storwize family naming earlier this year with Spectrum Virtualize Software. … Continue reading

IBM/Lenovo (Pure) Flex system and vSphere part1: Useless stuff

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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

Updated: Storage disconnects when using VAAI ATS on vSphere 5.5 Update2 and vSphere 6.0

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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