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Posted July 2nd, 2013 11:00
Another way to add SSD to an existing cluster is by adding nodes with lots of (or all) SSD. I have seen a few instances where we have added all-SSD S200 nodes to existing clusters.
nate_anth
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Posted June 28th, 2013 12:00
Yes, SSD's can be added as an upgrade but there is a high cost associated with the services that are REQUIRED for this sort of upgrade. It is much more cost effective to build the cluster with SSD's from the beginning, as the majority of workloads benefit from the accelerated metadata anyways.