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A comment on Drupal Core – Highly Critical Public Service announcement. Parent comment

Re:Drupal Core – Highly Critical Public Service announcement by thesnufkin on Thursday October 30, 2014 @06:21AM (#8532150)
A separate machine/VM is better from an availability perspective.
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Re:Drupal Core – Highly Critical Public Service announcement by jacquesm on Thursday October 30, 2014 @06:35AM (#8532177)
> A separate machine/VM is better from an availability perspective.

How so? A separate machine is one more thing that can fail and since it isn't web facing it won't help with availability if the other one fails. And if it is a VM they will both go down if the underlying hardware fails.

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Re:Drupal Core – Highly Critical Public Service announcement by thesnufkin on Thursday October 30, 2014 @08:12AM (#8532448)
Its true that a separate machine is one more thing that can fail, but if its purpose is so different, as with the "active CMS" - "static hosting service", then it becomes easier to create a replacement.

E.g. the frontend can be replicated (if needed), S3 can be used, while the backend CMS remains intact. Or the backend CMS can be implemented in a HA setup and the static hosting in the cloud.

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