[fedora-arm] Downtime Reminder - Re: ARM Build System Upgrading - Downtime Scheduled

[Chris Tyler]

A reminder (and confirmation!) that the build farm will be down
Tuesday-Wednesday...

On Thu, 2011-12-08 at 18:54 -0500, Chris Tyler wrote:
> At a Seneca team meeting this afternoon, we planned out the upgrade
> process for the ARM build system.
> 
> There will be several pre-upgrade operations tomorrow and Monday, with
> downtime scheduled to begin at 9 am EST / 1400 UTC on Tuesday, December
> 13. The upgrades should be completed within 48 hours (by 1400 UTC
> Thursday, December 15). Builders will be disabled several hours before
> the start of scheduled downtime to prevent new builds from starting.
> 
> The upgrades involve:
> 
> - Doubling the number of x86_64 servers, from two to four.
> 
> - Moving /mnt/koji to SSDs (supporting up to 117 KIOPS read and 69 KIOPS
> write).
> 
> - Moving the Koji db to a separate server (using the SSDs we migrated to
> yesterday).
> 
> - Switching to a 4-drive RAID-0 configuration for builder scratch space
> (from a 2-drive JBOD).
> 
> - Physically re-racking and re-cabling the 60-70 machines for better
> airflow and access.
> 
> - Adjusting backups, scripts, network configuration, and DNS to support
> the new configuration.
> 
> --
> Chris