CS Mail Forwarding - 5/9/23
- Posted by John Bazik
- on May 9, 2023
Forwarding of @cs.brown.edu mail addresses was unstable over the past day. The problem has been fixed and we expect all delayed mail to be delivered shortly.
Forwarding of @cs.brown.edu mail addresses was unstable over the past day. The problem has been fixed and we expect all delayed mail to be delivered shortly.
Mail to the CS list servers sent between Friday, Nov 18 at 4:30pm and Tuesday, Nov 22 at 3pm was delayed. The cause was an unusual failure of a mail transfer program on that server. List service has been restored.
OIT is performing several maintenance activies this weekend which may have an impact on our filesystem access:
Saturday 10/15 5am-8am OIT Core router NX-OS versions are being upgraded. This will require a reboot of each router as well as a firewall failover.
Saturday 10/15 11am-2pm OIT will be upgrading the Firewall management software. This will require a firewall failover.
In the past, firewall failovers have caused our NFS mounts to go stale and become unresponsive. These have manifested in various ways in the department, from SSH difficulties to hung lab machines. We have watchdog scripts in place that recover the …
Our filesystem issues continued this morning, as OIT, working with Dell/EMC, was performing maintenance on the cluster.
The CS shared filesystem experienced performance issues starting at 4pm on Tuesday, Sept 6, which affected desktop systems and some services, including the CS website.
A network interruption at 10:25am today caused a filesystem outage, affecting CS services and desktop systems. Many systems were affected, and the technical staff will be restoring them throughout the day.
Computer science department end-user systems experienced several brief interruptions this afternoon, apparently due to problems with the University's Active Directory infrastructure. Services have returned to normal.
A series of system issues caused instability to most services this past weekend and part of this week. CS mail forwarding and delivery continues to be affected.
Network services were interrupted today starting at 10:45am for about an hour. As 1pm, all systems and services should be back to normal.
All Computer Science services were unavailable from 1pm until 11:30pm today, Sunday, January 30, due to a failure of critical infrastructure.