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{mockup:test|1} This page describes how we will support the MAD in a production environment. |
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Enumerate the types of failures that are obviated by the redundancies built into Applogic grids. |
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Are these intrinsic redundancy features this the same as those offered by our ESX products? |
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Define the SLA for DBI. |
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Enumerate additional failure scenarios and describe the plans to mitigate these failures? |
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\- database corruption |
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\- physical destruction of data center |
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Enumerate the security risks and describe the plans to mitigate these risks? |
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\- DOS attacks |
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\- SQL injection attackes |
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\- account and password security |
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\- Don't forget network (dis)connectivity. |
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I heard that the City |
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Hall outage the other day was due to a PG&E vault fire, and that |
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ain't the first time. |
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Anyway, network connections do drop, so |
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they need to be identified (e.g., DBI to cloud?), and what if |
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that happens right in the middle of a <worst-case-scenario>? |
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I went to a business-continuity seminar a couple of weeks back, you may want to take a look at the slides: |
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[http://10.250.60.17/citypedia/index.php/Valdez%2C_Samuel_2009-2010_Conference_Seminar_Workshop_Notes#Disaster_Recovery_Planning_Seminar_.2825_Mar_2010.29 |
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] So what? Don't forget about EAS upgrades, PostgreSQL/PostGIS upgrades, Django upgrades, etc., major versions and patches. |
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Virus scans? |
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Probably more things that elude me at the moment. |
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what is our Recovery Time Objective? (how soon to be back up and running) |
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[http://en.wikipedia.org/wiki/Recovery_Time_Objective |
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] access to the database is more important than access to the cached map data |
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upon a DC failover, we will have to reseed chache |
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Can we assume that we are not going to use replication? |
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If no replication, how much work can we loose? (1 day, 4 hours?, 2 hours?) |
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Recovery Point Objective (acceptable amount of data loss measured in time) |
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[http://en.wikipedia.org/wiki/Recovery_point_objective |
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] monitor disk space |