If you plan to replace your critical storage system, map out your strategy, find the right tools for the job, and if you can, use replication to move your data. There's always a chance you'll miss something: Our new machine, for example, uses ADS, but the old one did not. So a couple of machines that were not in the domain failed when reconnecting and needed their drives remapped--not a huge deal, but something we didn't plan for. You may run into roadblocks like this, but let's hope it's nothing that ruins your day or drags out your implementation.
Don MacVittie is a technology editor at Network Computing. Previously he worked at WPS Resources as an application engineer. Write to him at dmacvittie@ nwc.com.
How to Swap Out Your Storage
1. Shop around for storage that meets your needs. Add at least 20 percent to your disk space requirements to allow for growth.
2. Determine changes in applications that access storage or decide on in-place replacement. Look at each application that utilizes the space, from business applications to backup.
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