Thank you Jason for the vocabulary. I'm reading up on RPO/RTO.

Angela

On 7/10/07, Ellis, Jason <Jason.Ellis AT imb DOT com> wrote:
> Angela,
>
> A couple of the things that you want to define in a backup SLA are
> Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO).
>
> Recovery Point Objective (RPO): How much data can you afford to lose and
> still be able to survive and/or be compliant?
>
> Understanding how much data loss is acceptable for a particular system
> or application can have a major impact on how that system or application
> is protected. The RPO of a system can help to set the importance of
> backups and help to determine what an acceptable error rate is. For
> example: If your RPO is 48 hours, then as long as you have a successful
> backup within the 48 hour windows you are in compliancy with your SLA.
>
> Recovery Time Objective (RTO): How quickly does a specific system or
> application need to be recovered?
>
> RTO is the period of time within which systems or applications must be
> recovered after an outage. Know a system's or application's RTO can help
> determine whether copies of the data need to be maintained on-site for
> quick recoveries. An RTO can also help to set the importance of restore
> requests.
>
> Hope that helps!
>
> Jason Ellis
>
> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
> [mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Angela
> Akridge
> Sent: Tuesday, July 10, 2007 11:36 AM
> To: veritas-bu AT mailman.eng.auburn DOT edu
> Subject: [Veritas-bu] Designing SLAs
>
> Hi!
>
> Do you have any web sources that provide excellent best practices
> about how to design an SLA for backup duration and restore duration?
> What is a reasonable backup duration and restore duration? Storage
> Magazine has plenty of articles, but not really anything that I can
> "sink my teeth into."
>
> (CISCO has detailed best practices, but the SLAs are specific to
> networking:
> http://www.cisco.com/en/US/tech/tk869/tk769/technologies_white_paper0918
> 6a008011e783.shtml.)
>
> Thank you,
>
> Angela
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