Regular maintenance of clusters requires downtime. A maintenance schedule can reduce surprises and not unnecessarily delay required maintenance.

Documentation for staff, in support of cluster maintenance

Specifics, per research group's cluster

(Table started November 2015)

Group	Months	Default day and time of day	First warning email sent when	Second warning email sent when	Notes	Next Scheduled downtime
Abruna	March June Sept Dec	1st Wednesday of the month 9:30am	2 weeks before	24 hours before	Need do cluster upgrade, may merge with Widom-Loring?	TBD
Collum	March June Sept Dec	1st Monday of the month (if holiday, move to 1st Tuesday) 9:30am	2 weeks before	24 hours before		TBD
Hoffmann	March June Sept Dec	2nd Tuesday of the month 9:30am	2 weeks before	24 hours before	Changed to morning	TBD
Lancaster (w/ Crane)	March June Sept Dec	3rd Monday of the month 9:30am	2 weeks before	24 hours before		TBD
Scheraga	March June Sept Dec	3rd Wednesday of the month 9:30am	2 weeks before	24 hours before		TBD
Widom-Loring	March June Sept Dec	1st Thursday of the month 9:30am	2 weeks before	24 hours before		TBD
Eldor	March June Sept Dec	2nd Thursday of the month 9:30am	2 weeks before	24 hours before		TBD