TL;DR /scratch will be wiped and systems will be unavailable on
Wednesday, February 17.
Below are some important (and non-important) updates from the Computer
Science Club Systems Committee.
SYSTEM MAINTENANCE (AND OUTAGES) ON WEDNESDAY, FEBRUARY 17
On Wednesday, February 17, system maintenance will be occurring from
11:00am until 5:00pm.
1. All running jobs will be terminated as all systems will be rebooted
at the start of the maintenance period
2. A failing drive in the /scratch array will be replaced. As /scratch
is currently configured as a RAID0 all data will be erased.
This is a reminder that /scratch is volatile storage and data may
disappear at any time. If there is anything in /scratch for which you do
not have a copy of (or cannot re-create), please ensure you have a copy
of it prior to the start of the maintenance period.
- All services provided by the CSC (web hosting, mail, etc.) will be
unavailable during the maintenance period
We apologize in advance for any inconvenience this may cause.
1. Mirror Upgrades
The Computer Science Club Mirror is now running on potassium-benzoate,
our new server which was purchased with funding from the Mathematics
Endowment Fund (MEF). We have also enhanced our mirror's network
connectivity, adding IPv6 and 10Gbps.
Running our mirror is made possible with assistance from:
- The Mathematics Endowment Fund (MEF)
- The Mathematics Society (MathSoc)
- Dave Gawley and the Computer Science Computing Facility (CSCF)
- Information Systems Technology (IST)
The CSC network now has IPv6 addresses and all of our services have been
configured to accept connections over IPv6.
For those hosting their website via personal domain names and wanting
If hosted with a CNAME, no action is required.
If not hosted with a CNAME, you can add the following AAAA record
The campus firewall will soon be enabled on our network. After this
date, only select traffic will be permitted from off-campus to our
machines (on-campus and VPN traffic will not be affected). All general
use servers will have SSH, Mosh and ports 28000-28500 open on the campus
If you have any questions, concerns or comments, please email the
Systems Committee at syscom(a)csclub.uwaterloo.ca.
Systems Administrator | Computer Science Club
University of Waterloo
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