Download Introducing File Area Networks: First Edition by Michael O'Connor & Josh Judd PDF

By Michael O'Connor & Josh Judd

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Extra resources for Introducing File Area Networks: First Edition

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Brocade MyView provides a fast and efficient way for administrators and auditors to produce comprehensive reports that help identify potential security breaches and enforce internal data security policies. This solution is discussed in more detail in “Chapter 7: Brocade MyView” starting on page 145. Brocade UNCUpdate As many IT organizations have discovered, storage migrations can be extremely disruptive to business operations. If users and applications are tied to specific share and file locations through hard-coded Universal Naming Convention (UNC) path names or shortcuts, administrators need to take extra precautions to ensure that such linkages are maintained as part of the migration process.

During steady state operations, only the minimum possible information would need to traverse the WAN, that is, only the changed blocks of files, rather than the files themselves. Similarly, after the disaster was over, switching back to the primary site would be much more efficient, because only changed blocks would need to be moved. 24 Introducing File Area Networks Disaster Recover/Business Continuance To see how this works, look at Figure 7 and Figure 8 on page 26. ) Figure 7. DR failover using a FAN overview Planning.

In some cases, DR solutions are driven by fiduciary duty to investors; in other cases government regulations mandate their implementation. Whatever the driver, organizations implementing these solutions need to be able to move large amounts of block data reliably, quickly, and repeatably over long distances. FANs are a natural fit for organizations with DR requirements. Traditional approaches to DR have a number of gaps related to replication or backup performance, manageability, restore times, and failover times.

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