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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
Do you think data should be deduplicated while the backup is occurring or after it is complete?
to this. There's the post-processing architecture that accepts all the data incoming and then stores the data on disk. Then, there is the more common in-line architecture.
Personally, I'm more in the post-processing camp right now. I'm trying to fully understand the benefits of doing it in-line. My concern at the... More...
Are there any major drawbacks to using tape encryption?
There were early concerns about scalability. Have manufacturers largely dealt with those concerns, or do scalability issues still remain?
is architected, how to manage performance and scalability, and even data destruction on the back end. How does the product remove expired data from the index? How is the index rebuilt over time? How do you add more capacity? It really becomes a much more complex proposition at the enterprise level.
So, these... More... |