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CsLWGMeeting20210713
(2021-07-13,
DaveGawley
)
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Linux Working Group
Linux Working Group
Meeting Date
Invitees - Attendees
Review and accept previous meeting minutes.
Proposed Agenda Items
July 17 Power outage
Monitoring
Power information
System and Services Down and Up Management
Netplan configuration for IPv6 Internet ports:
Should spelling packages "hunspell hunspell-en-ca" be included on all CSCF standard images or just general-use and web server systems?
Meeting Date
TEAMS: 2021--7-13
Invitees - Attendees
Dave, Adrian, Anthony, Clayton, Devon, Fraser, Guoxiang, Lori, Nathan, Nick
Review and accept previous meeting minutes.
Proposed Agenda Items
July 17 Power outage
Monitoring
Icinga will be up
Icinga LXC container moved to M3 server room (Devon and Anthony) which will have power and HVac
Server Room Environmental Monitoring
CSCF Private Cloud Systems
CS general-use Systems
Power information
M3 will have power
DC building will not have power, all systems will need to be turned off.
MC 3015 will have two 208v/30a circuits.
MC Labs to be powered off. - Dave will make sure room panel breakers are off before start of shutdown and back on once shutdown is over.
Authentication Services will be up
M3-3101 vmserver216.cscf.uwaterloo.ca means services will be up.
keeping mc3015 vmserver214.cscf.uwaterloo.ca up would be good.
Ubikey services will stay up given this power setup.
DFSc Services
as long as mc-3015-422 and supporting networking (hs100) is powered, service will be up.
power off *-421 systems, good to reconfigure layer 1 networking
Services bridges will also stay up:
Samba
Ganesha-NFS
nexus -samba services - mc-3015-202
good to keep but not necessary.
ubuntu1804*.cs.uwaterloo.ca and ubuntu2004*.cs.uwaterloo.ca will be up at reduced capacity (number of servers).
Guoxiang to remove and add any ubuntu*.cs.uwaterloo.ca host references from DNS round-robin setups starting Thursday evening.
Web services - mc-3015-202
Nathan and Lori to make sure all HAProxy systems have master service transferred to M3 systems.
SQL services
mysql - M3 is already master
mysql-archive is single instance in DC. Fraser will manage the down and up of service.
postgresql (OATdb)
will stay up, Monitoring by Steve (MFCF) and ISaac (CSCF)
DataSCI: will be down
Services and Systems down and up will be managed by Lori
Ugster: will be down
Services and Systems down and up will be managed by Fraser
vault
will stay up, monitored by Nathan & Lori
System and Services Down and Up Management
linux.cscf will be up during as it is in M3
systems providing no user-facing services can be powered off anytime after 17:00 (5pm) on Friday
systems providing user-facing services will not be powered off before 05:00 (5am) and no later 06:30 (6am) than on Saturday morning.
DC 3558 shutdown
power off: as above
power on: Saturday night, provided no hardware failures
Keeping as many *-20{1,2,3,5,411,422} up as possible
Dave will be on site during first 2 hours of shutdown and a 2-? hour and end of shutdown.
Windows will be managed by Clayton. Down and up times still to be announced.
Mac's host and services will be Devon. Devon to power down, Dave to power up - remember that this includes trashcan unit.
Netplan configuration for IPv6 Internet ports:
Note when setting up a host that has Internet addressing, please also include netplan configuration:
dhcp6: false
accept-ra: false
Should spelling packages "hunspell hunspell-en-ca" be included on all CSCF standard images or just general-use and web server systems?
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Topic revision: r4 - 2021-07-13
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DaveGawley
CF
Information in this area is meant for use by CSCF staff and is not official documentation, but anybody who is interested is welcome to use it if they find it useful.
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