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Live Migration Can Benefit From Jumbo Frames
Does live migration benefit from Jumbo frames? This question always comes back so I’d just blog it hear again even if I have mentioned it as part of other blog posts. Yes it does! How do I know....
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Failed Live Migrations with Event ID 21502 Planned virtual machine creation...
OK so Live Migration fails and you get the following error in the System even log with event id 21502: Planned virtual machine creation failed for virtual machine ‘DidierTest01′: An existing connection...
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Don’t Let Live Migration Settings Behavior Confuse You
Configuring live migration settings on a cluster In the cluster under Networks, Live Migration Settings you can select what networks are available for live migration and their order of preference....
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Windows NLB Nodes Misconfigured after Simultaneous Live Migration on Windows...
Here’s the deal. While Windows NLB on Hyper-V guests might seem to work OK you can run into issues. Our biggest challenge was to keep the WNLB cluster functional when all or multiple node of the...
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Windows NLB On Windows Server 2012 R2 Hyper-V: A Personal Preferred...
To know and see the issues we are dealing with in this demo, you need to read this blog post first: Windows NLB Nodes “Misconfigured” after Simultaneous Live Migration on Windows Server 2012 (R2). We...
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Live Migration Speed Check List – Take It Easy To Speed It Up
When configuring live migrations it’s easy to go scrounge on all the features and capabilities we have in Windows Server 2012 R2. There is no one stopping you configuring 50 simultaneous live...
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I Can’t Afford 10GBps For Hyper-V And Other Lies
You’re wrong There, I said it. Sure you can. Don’t think you need to be a big data center to make this happen. You just need to think and work outside the box a bit and when you’re not a large...
View ArticlePreventing Live Migration Over SMB Starving CSV Traffic in Windows Server...
One of the big changes in Windows Server 2012 R2 is that all types of Live Migration can now leverage SMB 3.0 if the right conditions are met. That means that Multichannel & SMB Direct (RDMA) come...
View ArticleLive Migration Can Benefit From Jumbo Frames
Does live migration benefit from Jumbo frames? This question always comes back so I’d just blog it hear again even if I have mentioned it as part of other blog posts. Yes it does! How do I know....
View ArticleFailed Live Migrations with Event ID 21502 Planned virtual machine creation...
OK so Live Migration fails and you get the following error in the System even log with event id 21502: Planned virtual machine creation failed for virtual machine ‘DidierTest01′: An existing connection...
View ArticleDon’t Let Live Migration Settings Behavior Confuse You
Configuring live migration settings on a cluster In the cluster under Networks, Live Migration Settings you can select what networks are available for live migration and their order of preference....
View ArticleWindows NLB Nodes Misconfigured after Simultaneous Live Migration on Windows...
Here’s the deal. While Windows NLB on Hyper-V guests might seem to work OK you can run into issues. Our biggest challenge was to keep the WNLB cluster functional when all or multiple node of the...
View ArticleWindows NLB On Windows Server 2012 R2 Hyper-V: A Personal Preferred...
To know and see the issues we are dealing with in this demo, you need to read this blog post first: Windows NLB Nodes “Misconfigured” after Simultaneous Live Migration on Windows Server 2012 (R2). We...
View ArticleLive Migration Speed Check List – Take It Easy To Speed It Up
When configuring live migrations it’s easy to go scrounge on all the features and capabilities we have in Windows Server 2012 R2. There is no one stopping you configuring 50 simultaneous live...
View ArticleI Can’t Afford 10GBps For Hyper-V And Other Lies
You’re wrong There, I said it. Sure you can. Don’t think you need to be a big data center to make this happen. You just need to think and work outside the box a bit and when you’re not a … Continue...
View ArticleJumbo Frame Settings & Slow or Failing Live Migrations over SMB Direct
The Problem I recently had to trouble shoot a Windows Server 2012 R2 Hyper-V cluster where SMB Direct is leveraged for live migration. It seemed to work, sometime perfectly but at times it but it was...
View ArticleHigh performance live migration done right means using SMB Direct
I saw people team two 10GBps NICs for live migration and use TCP/IP. They leveraged LACP for this as per my blog Teamed NIC Live Migrations Between Two Hosts In Windows Server 2012 Do Use All Members...
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Live Migration over NIC Team in Switch Independent Mode With Dynamic Load...
In a previous blog post Live Migration over NIC Team in Switch Independent Mode With Dynamic Load Balancing & TCP/IP in Windows Server 2012 R2 we looked at what Dynamic load balancing mode in NIC...
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Adventures In RDMA – The RoCE Path Over DCB To Windows Server 2012 R2 SMB 3.0...
Prologue On gloomy day, it was dark, grey and cold, we gave battle with RoCE & DCB (PFC/ETS). The fight was a long one, the battle field uncharted and we had only our veteran attitude towards...
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Preventing Live Migration Over SMB Starving CSV Traffic in Windows Server...
One of the big changes in Windows Server 2012 R2 is that all types of Live Migration can now leverage SMB 3.0 if the right conditions are met. That means that Multichannel & SMB Direct (RDMA) come...
View Article