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Part 10: Applying Disaster Recovery Tools to Your Plan

Part 10: Applying Tools to Your Disaster Recovery Plans Let’s review RPO and RTO before we get into applying DR tools to your disaster recovery plans. RPO is recover point objective, or how much data can afford to be lost in the event of a disaster. RPOs will typically vary from near zero to up […]

Part 9: More DR Tools – Replication and Virtualization

Part 9: More DR Tools In the last post I covered three of the DR tools used to help implement  policies. Now let’s address some additional DR tools. So far I have covered contingency groups, tape backup and related variants, and storage based replication. Let’s keep moving down the list picking up with OS level […]

Part 8: Disaster Recovery Tools

Part 8: Disaster Recovery Tools In the last two posts I covered why DR is needed, what goes into creating a DR plan, and various locations that can be used as recovery sites. Now it’s time to dive into the disaster recovery tools and methods that can be used to meet your RPOs and RTOs. […]

Disaster recovery locations

Part 7: Disaster Recovery Locations

Part 7: Disaster Recovery Locations In the last post I talked about what information is needed to develop a disaster recovery (DR) plan. The plan should include a table of all of the servers and systems that need to be recovered and what order they should be recovered in as well as recovery point objectives […]

Tornado - Disaster Recovery Planning

Part 6: Disaster Recovery Planning

Part 6: Disaster Recovery Planning In this post I will address disaster recovery, which is often referred to simply as DR. DR ultimately relies on technologies from all of the components we’ve discussed in this series so far including backup, archive, and HA. Before I dig into disaster recovery, I want to define a related […]

Part 5: High Availability (HA)

Part 5: High Availability (HA) Let’s start out by defining what high availability is. High availability (HA) refers to systems that are durable and likely to operate continuously, without failure, for extended periods of time. HA implies that parts of a system have been fully tested and, in many cases, the system design incorporates redundant components […]

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Envision 2019

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Part 4: Data Archiving

Part 4: Data Archiving Most organizations need to archive data for either compliance or other legal reasons which, in turn, drive the archiving policies. The archiving policies will determine what data needs to be archived, how frequently it needs to be archived, and how long it needs to be kept. For most organizations, not all […]

Part 3: Disaster Recovery Backup and Restore Media

Part 3: Backup and Restore Media In the last post I touched on a couple popular schedules for backing up data, but I didn’t mention what the data is getting backed up to. I also introduced the 3-2-1 rule for backups, here is a quick  reminder on that rule: There should be three copies of […]

Part 2: Backup Solutions and Restore Policies

Part 2: Backup Solutions and Restore Policies I am going to start this post with the most important thing I can say about backup solutions. Backup solutions are useless if you can’t restore from them. Backup solutions need to be monitored to make sure there are no serious errors that need to be fixed, and […]