Coincidentally, we've been working on documenting our security  
policies (both how we treat your data as well as how we protect it).   
This Danger/MS kerfufle shows me I can't get it out soon enough.

In brief, there's two different aspects to this.

1) protection we provide.  We provide disaster recovery of all data.   
All database data is stored in a Raid 10 configuration.  This provides  
us a huge amount of resiliancy in case of individual hardware failure  
on Amazon's side.  In addition, all data in the database is backed up  
once every 24 hours to Amazon S3.  These backups are stored in  
different availability zones to ensure no SPOF (single point of  
failure).  The backups are provided for disaster recovery only at this  
time - they are not there to help individual application developers  
recover.  This is mostly due to process, not capability.  We're  
backing up the data in aggregate, so it's a few minutes of work to  
restore an entire DB, but a few hours of work to restore an individual  
app.

2) Protection we enable.  Bundles are the best way for an individual  
app owner to backup their entire app - git, database, etc.  These  
enable you to either store the data on our S3 account (with unlimited  
bundles), or download them to your local machine.  One common pattern  
is to have cron on your mac automatically capture them for you and  
download the next day.  We've had surprisingly little adoption of the  
unlimited_bundles add-on, and also not too much feedback on how we can  
specifically improve the experiece.  One obvious way would be to auto- 
capture at a regular time, perhaps as part of the cron addon.

Oren

On Oct 12, 2009, at 6:11 AM, Chap wrote:

>
> I'm sure we've all heard the news of Danger/MS loosing all their
> sidekicker's data.
>
> Which gets me thinking, what are you guys doing for backup? The
> bundles seem cool, but it would be nice if there was some automated
> way of creating them and downloading them on a regular basis. Not that
> I don't trust the cloud...
>
>
> >


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