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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
as backup targets. Storage space is finite, which can limit the allowable retention period for data. Data reduction technologies like data deduplication and delta differencing can dramatically extend the effective storage capacity. Also, indexing and search are can be valuable when rapid file organization and location are needed. Below are a series of best...
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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
When does data deduplication using backup software on the host make sense?
to consider. If you're bandwidth constrained and are trying to back up data and you have large amounts of data coming over the network, then using data deduplication at the host makes a lot of sense. That can dramatically free up the amount of bandwidth that you have.
It is important that the host can sustain... More...
What is the difference between server-free and LAN-free backup?
is simply connecting the server that needs to be backed up to a SAN, so the data is transferred over Fibre Channel to a tape drive, VTL or disk.
In server-free backup, the data does not flow through the server being backed up. The server being backed up is still involved, because it has to do things like quiesce the... More...
What happens if you fill up a storage system with deduplicated data and it needs to grow?
This is really the Achilles heel of data deduplication right now.
If you have a lot of growth and wind up filling up an entire system, most products on the market today don't have the ability to add another system behind it. So, you have to invest in a new system. And that leads to... More... |