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It’s hard to believe, but I’ve been involved with Information Technology for nearly 40 years, 21 of them with EMC. Today, I’m the product marketing lead for the Disk Library for mainframe product portfolio, and in this position have the opportunity to help pioneer virtual tape solutions in the mainframe marketplace.
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- Disk vs. Tape for Optimizing RPO & RTO: It’s Not Even Close
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When a storage disaster occurs there are two questions that immediately come to mind: Where’s my data?!, and How long will it take to restore it?! These critical questions can be answered by understanding and evaluating two specific metrics: Recovery Point Objective (RPO) and Recovery Time Objective (RTO) RPO looks backward to the last backup; ... Continue Reading » - A Match Made in Heaven
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In the not too distant past backup was very straightforward; the mainframe backed up data to proprietary tape formats, UNIX and Windows had their own processes and IBM i (formerly iSeries or AS400 way back in the day) had its unique process for backup data. In effect separate islands but everyone was aware of where ... Continue Reading » - Good Things Come in Small Packages
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Virtual Tape Libraries have forever changed the landscape in mainframe tape operations. High-performance VTLs can shrink backup and restore times, reduce storage and replication requirements, improve RPO and RTO, eliminate drive contention, prevent lost tapes, and reduce the possibility of damaged tape media by storing data on RAID protected disk. However one of the biggest ... Continue Reading » - Improving IT and Business Response Times with Tape for Mainframe
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The issue isn’t how fast your tape drives are, but how fast you can get to the data when you need it. Tape has always provided the most inexpensive, yet accessible, storage available for batch backups, disaster recovery, and long-term archives, but it has had its limitations (e.g., issues with mechanical components wearing down over ... Continue Reading »
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Thoughts from Stephen Manley
The Right Architecture Is Priceless, Part I
 Evolving data protection technology and expanding requirements have completely transformed the backup industry. Unfortunately, with such rapid change, many organizations have fallen into the chaos of an accidental architecture.
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