Archives Dec. 16, 2012

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Building the ACM Cluster, part 11f: ZFS on Linux

ZFS is one of those pieces of software that is almost frighteningly good at what it does.  It has a whole slew of features that make it, for many uses, the perfect filesystem.  These include: deduplication, compression, data integrity guarantees (ZFS can detect and repair silent data corruption), copy-on-write architecture and a built in concept of ...

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Building the ACM Cluster, Part 11e: Building Ceph

Ceph is a distributed storage engine.  It can be used in a whole number of different ways - for example, as a block device or an object store.  The current version is codenamed argonaut, hence the header image.

In the ACM cluster, we're using it as the storage engine for VMs.  This makes a lot ...

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Welcome back to my ongoing series on building the JHUACM VM cluster.  In this part, I'm going to be focusing on building the RPM driver for the Myricom fiber cards that were given to us with the cluster.  Unfortunately the drivers for this are closed source.  However, through my connections to physics, I was ...

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Next up,  lets build RPMs of Xen, a hypervisor.  Xen was chosen because on machines which do not have virtualization bits (like the cluster I'm building), Xen will do paravirtualization, which is still somewhat quick.Xen also has the concept of clustering and shifting VMs between instances - an important feature in a VM cluster ...

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