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Stage 4: Cleanup. The post-migration cleanup usually consists of decommissioning retired equipment and deleting the old network paths to ensure that the required equipment is no longer visible to servers and hosts. This phase could also be used to pick up servers that were dropped during the migration, and to perform any remediation issues that may have come up during a move. Lengthy cleanup times can result in additional maintenance or outage windows. If implemented correctly, automation technology should enable cleanup to be done on a weekly basis instead of a costlier, bulk cleanup at the end.
The real question is this: With so much attention being paid to the next generation of data centers, have you considered that there might be a better way to migrate data? If you're planning a technology refresh, take a close look at the data migration
| proposal. Challenge your incumbent storage vendor, storage software vendor or third-party consulting firm to deliver a better solution. Ask them if they've leveraged recent advances in data migration solutions to reduce the time, risk and cost for your project. Don't be content with the old, painful and costly methods. It could mean substantial savings, accelerated timeframes and a much simpler chapter in your IT history.
This was first published in September 2008