While there isn't one "official" blog post, several high-quality resources break down the ISO/IEC 27031 standard

How fast must an IT system be restored after a failure?

: They diverted all remaining bandwidth to the customer transaction database.

Incident recovery checklist (short):

Perform a gap assessment to identify which ISO/IEC 27031 controls are already in place and where gaps exist relative to your specific technology environment. The standard provides that can be mapped to industry-specific regulatory requirements.