Mt Xia: Technical Consulting Group

Business Continuity / Disaster Recovery / High Availability
Data Center Automation / Audit Response / Audit Compliance

Slide List

SLA Home
0: Title Slide
1: Scope
2: Perspective
3: Perspective (continued)
4: Definition of Terms
5: Definition of Terms (continued)
6: Definition of Terms (continued)
7: Definition of Terms (continued)
8: Definition of Terms (continued)
9: Example Architecture Tiers
10: Tier 1: BC/HA/DR/HA
11: Tier 2: BC/HA/DR
12: Tier 3: BC/DR
13: Tier 4: BC/HA
14: Tier 5: BC
15: Standardized SLA
16: Standardized SLA (continued)
17: Standardized SLA (continued)
18: Standardized SLA (continued)
19: Standardized SLA (continued)
20: Summary

Service Level Agreements

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Definition of Terms (continued)

  • Disaster Recovery

    • Business function recovery between geographically separated data centers using a storage replication system between the data centers.
    • The output of disaster recovery planning is a disaster recovery project plan.
    • The goal is to minimize downtime for business functions, not systems.
    • Business function recovery times and maximum allowable data loss is specified during the business impact analysis.
  • High Availability

    • Business function fail over between two or more physical frames within the same data center using a single shared storage location.
    • Elimination of single points of failure (SPOF's) are a necessary part of HA.
    • The goal is to minimize downtime for business functions, not computer systems.
      • This is NOT non-stop computing, downtime will be experienced during fail over.

For assistance with designing, writing, implementing, and supporting your Service Level Agreements (SLA), please contact Mt Xia.

Slide 5

SLA Design
Slide 4
Slide 6

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