There had been numbers of review and discussion always regarding the choice of storage for us to run on Virtual Environment today. I believed that the hot discussion is always moving talk about the right storage with right design and implementation to the VM farm always. The most hottest topic are still regarding the NFS, ISCSI and FC implementation which provide better features, performance and reliability.
Personally, I had 3 of it running in my environment now and of course, I had spent a huge number of times to really test out all the solution and compare apple to apple to further study my requirement. Here is some reading I get from my test for 3 solution above.
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The latest version of ISCSI SAN Equallogic PS 5500E which launched recently had provide better capacity, performance, extra functionalities and more spindles in arrays. It could be support both 500GB and 1TB SATA II spindles up to 48 drives in a single array of 4U. A very impress usable storage space in single array which up to 48TB in raw. If we compare to the capacity, it is hardly found that a single array would provide a huge capacity at 48TB in Raw today. In additional to that, DELL had provide all the necessary features as for storage management as free which integrated as part of the storage purchase for Dell Equallogic ISCSI SAN. The latest features is regarding the Snapshot Manager for VMware. Previous version is only supported on Microsoft environment, but now, it had also supported on VMWare environment.
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Storage is always the important piece to be run in Data center as well as any solutions we put into the production environment. It will also impact the capacity planning, performance as well as the sustainable period of the specify solution.
Here I would like to specify talk about ESX storage planning. As many of the cases I read and experience before, more and more users are really heading to the stage of choosing specify storage for specify solutions. Example you may think off for using Netapps on NFS for ESX, which claim better performance, dedupe and protocol different. Somehow, the users had forgotten that they had not run any of netapps storage in their existing environment. When we look at the management perspective, the operation management for IT support is not SIMPLIFY. Everyone know how important to standardize our environment as well as simplify out IT environment. The more complex you have, the more pain you will feel.
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