Dell PowerVault DP600 - Manual (Page 44)

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Method Advantages Disadvantages When to use
• Less manual
intervention, such as
changing tapes.
Tape-based
protection only
• Can be stored
offsite for security
and as a
contingency for
disaster recovery.
• Easy to increase
capacity by adding
more tapes.
• Slower and more
cumbersome
recovery process.
• Prone to errors.
• When data loss
tolerance is more
generous.
• When recovery
time objective is
generous.
• For data that
does not change
frequently and
does not require
backup as
frequently.
• For lengthy
retention period.
Both disk-based and
tape-based
protection
• Combined
advantages of
above, while
balancing out each
method's
disadvantages.
• A single point of
management.
See Also
Planning Protection Configurations
Defining Recovery Goals
After you select the members of a DPM protection group and the methods to use for data
protection, you define the recovery goals for the file data and application data in that protection
group.