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Storage requirements for virtualization
sponsored by Xiotech Corporation
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Do the storage features in VMware vSphere 4 like snapshots, thin provisioning, hot extend of disk overcome the need for expensive tier-1 storage arrays from vendors like EMC and NetApp? In this TechTalk, David Davis, Director of Infrastructure at TrainSignal.com, answers the following questions:
- SAN and NAS storage are required for features like VMotion and LiveMigration, but are all the expensive extras really necessary?
- Are there any downsides or potential gotchas to VMware's thin provisioning?
- Does data-deduplication work well on virtual machines?
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