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How to Convert S3-backed (instance store) AMI to EBS-backed AMI
May 6th, 2011 by Madhu Donepudi
In one of the recent Amazon Deep Dive Workshop, we were handed a cheat sheet to turn a Linux S3 instance to EBS backed instance. This is one of the simplest process I have come across. Create an EBS volume in the same availability zone as your S3 instance running in. Attach the volume to…
VMware in the cloud
April 4th, 2011 by Richard Holland
Amazon currently permits VMware users to import their existing VMware images and convert them into AWS-compatible AMIs. There are only three caveats: (a) the machine must be shut down before importing, (b) it must have less than 1TB of virtual harddrive, and (c) it must be running Windows Server 2008. That last caveat is the…
Amazon dedicated hardware
March 28th, 2011 by Richard Holland
This morning Amazon Web Services announced Dedicated Instances which are normal cloud instances but running on hardware that is exclusive for the customer. In other words, if you start up one of these, there is zero chance of someone else in another instance on the same machine hacking into yours by breaking through the hypervisor, because…
Cloud Computing Security – not risky for every system
February 21st, 2011 by Madhu Donepudi
While cloud computing is one of the top current trends in the IT industry, pharmaceutical sector (where the sensitive data is traditionally being protected behind corporate firewalls) has concerns about cloud security. Keeping aside the law and jurisdiction where data is held, if a SaaS (Software as a Service) vendor had considered/evaluated the risks of…
Bio-IT World Europe 2010 slides
October 4th, 2010 by Richard Holland
Here are the slides I just presented at the Cloud Computing Workshop at Bio-IT World Europe 2010 in Hannover, Germany. Other speakers included Dave Powers from CycleComputing, and Glenn Proctor from the EBI, both of whom presented very interesting summaries of how they had been using cloud technology to improve the services that their organisations…
Amazon S3 as a File System in Amazon EC2
September 20th, 2010 by Madhu Donepudi
As a cloud application developer, shared storage on EC2 is particularly challenging when GBs of data has to be accessed by 100s of EC2 instances. One particular option we explored is leveraging our Amazon S3 storage to mount on EC2 instances and use as a shared drive. Most popular software solutions for this approach are:…