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Related Best Practices
How to implement snapshots
(RPOs) by supporting more frequent recovery points. When properly implemented, snapshot data can be used to restore lost files or recover from more substantial data loss. Features like data deduplication are also appearing in snapshots to reduce disk storage requirements, allowing for many more snapshots and longer retention periods. Below are a series...
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How to implement disk-to-disk backups
more frequently. Disk offers far better performance than tape systems, allowing for faster data transfers as well as greater long-term reliability. Disk can accept complete backup volumes, as well as simple file copies. For example, backup software can send a full backup volume to a virtual tape library (VTL) emulating the behaviors of a traditional tape system...
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How to improve tape backup performance and reliability
The role of tape is clearly changing, shifting away from everyday data backup and moving toward deep archiving or offsite storage, but tape is still an important element of many data centers. Storage professionals must contend with concerns about tape performance and reliability that have remained almost unchanged for decades. In...
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FAQ's
There are also concerns about data loss due to hash collisions. How have manufacturers addressed that issue today?
and it said that the only way you can be absolutely sure that each chunk of data is completely unique is to take each new chunk of data and compare it to every other chunk of data stored. It also said that's really not practical because if you do that, it creates a huge time delay. So, the compromise is to use a hashing...
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Are there any major drawbacks to using tape encryption?
How has server virtualization affected the backup window and backup capacity?
recently adopted server virtualization, and 37% say that the amount of data they back up increased after deploying server virtualization. It's significant. You're backing up the operating system, you're backing up applications, and you're backing up data.
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