16 August 2017 Downtime

On 16 August 2017 PoolSloth went down from approximately 1730 to 1800 UTC.

Reasons for downtime:

  • Increasing maximum allowed connections to fix congestion issues on port 3335
  • Security upgrades for the following infrastructure:
    • MPOS front end
    • Stratum server
    • VRM primary and backup daemon
    • Mailserver
  • Testing SaltStack orchestration


  • Upgrades and configurations successfully applied via SaltStack
  • Open connections limit for stratum server was raised to accommodate miners with a large number of workers
  • Services resumed successfully