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projects:maint-spring-2021 [2021/04/23 11:35]
Hans [78836 ICS Data Center and CS2 Network Closet Outage]
projects:maint-spring-2021 [2021/06/15 10:27]
wdcohen
Line 1: Line 1:
 +==== 2021 June Maintenance ​ June 14th through June 18====
 +
 +The following maintenance events will be taking place in the week following final exams, June 14th through June 18th.
 +
 +=== Server Security Patches and Reboot ===
 +
 +The following servers will be patched and rebooted at the following times. ​ Please allow two hours for each maintenance to complete.
 +
 +^Maint Date/​Time^Hostname ^Service ^Impact |
 +| 6/14 2200 |rockford-v0.ics.uci.edu | ldap | Users may notice longer than usual login or failed logins during this period. |
 +| 6/15 0900 |adrian-monk-v6.ics.uci.edu | support service | N/A |
 +| 6/15 0900 |adrian-monk-v7.ics.uci.edu | support service | N/A |
 +| 6/15 0900 |columbo-v11.ics.uci.edu ​ | support service | N/A |
 +| 6/15 0900 |john-luther-v1.ics.uci.edu ​ | support service | N/A |
 +| 6/15 0900 |nancy-drew-v7.ics.uci.edu | instructional-gitlab | The gitlab service will be unavailable during this period. |
 +| 6/15 0900 |paul-mcgann-v3.ics.uci.edu ​ | support service | N/A |
 +| 6/15 0900 |rockford-v12.ics.uci.edu | support service| N/A |
 +| 6/15 0900 |rockford-v14.ics.uci.edu | support service| N/A |
 +| 6/15 0900 |rockford-v15.ics.uci.edu | support service| N/A |
 +| 6/16 0900 |centaurus-1-v3.ics.uci.edu | kubernetes head node | This node is used by hub.ics.uci.edu. ​ We do not anticipate any service interruption. |
 +| 6/16 0900 |melvil-dewey-v3.ics.uci.edu | PostgreSQL | PostgreSQL server used buy hub.ics.uci.edu and some instructional gitlab websites |
 +| 6/17 0900 |columbo-v2.ics.uci.edu ​ | ftp | The FTP server may be briefly unavailable while the ftp service IP fails to the alternate FTP server|
 +| 6/17 0900 |john-luther-v2.ics.uci.edu | ldap | Users may notice longer than usual login or failed logins during this period. ​ |
 +| 6/17 0900 |richard-castle-v7.ics.uci.edu | mysql-backup | This is the backups MySQL server, we do not anticipate a noticeable service interruption. |
 +| TBD |adrian-monk-v0.ics.uci.edu | secrets vault | Secure secret storage will be unavailable until the system is back online and the vault is unsealed. |
 +
 +
 +=== Openlab Security Patches and Reboot ===
 +
 +  * Downtime Notice: Openlab Security Patches and Reboot
 +  * Date: June 14th 0900
 +  * Duration: 8 hours 
 +
 +=== Cisco 2960 Switch Firmware Upgrades===
 +
 +  * Switch 3023-c2960s-102 will be updated to the latest version to fix a vulnerability
 +    * IMPACT: No servers will be affected by this update.
 +
 +=== Gitlab Upgrade ===
 +
 +  * Downtime Notice: Upgrade Gitlab Server
 +  * Date: Tuesday, June 15, 2021
 +  * Duration: 0800 to 12:00
 +
 +**IMPACT:** The site gitlab.ics.uci.edu will not be available during upgrade window. Repositories will not be available to push/pull from. This will not impact gitlab setup for individual classes.
 +
 +=== Mailman Server Upgrade ===
 +
 +  * Downtime Notice: Upgrade Mailman Server
 +  * Date: Wednesday, June 16, 2021 
 +  * Duration: 1500 - 1700 '
 +
 +The mail server running mailman services will be upgrade to 2.1.29. ​ The new version includes improved spam filtering capabilities that should reduce the amount of mail sent to list owners. ​ Users should try their best to avoid sending email to mail lists during this period as there may be some delay in in the processing of mail.
 +
 +
 +=== Openlab8 Cluster Retirement (Ticket #79437)===
 +
 +  * Downtime Notice: ​ Openlab8 Cluster Retirement ​
 +  * Date: June 14th 0900
 +
 +In early December 2020, the CentOS project announced an abrupt change to it's CentOS8 and future relapse roadmap. The CentOS8 end of life has been moved up to December 2021 (about three years before CentOS7 in 2024). ​ In response, we will be migrating our existing CentOS8 installs to Ubuntu20.04 ​ (or in some cases, CentOS7). ​ The openlab8 cluster will be retired and replaced with a new Openlab20 cluster running Ubuntu 20.04.
 +
 +=== Openlab20 Release (Ticket #79437) ===
 +
 +The Openlab20 cluster running Ubuntu 20.04 will replace the Openlab89 cluster running CentOS8. ​ The new cluster will be available later this summer.
 +
 +
  
  
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     * Building power to be shut off at 2000 on 5/4/2021     * Building power to be shut off at 2000 on 5/4/2021
     * Non-critical hosts shutdown beginning at noon on 5/4/2021     * Non-critical hosts shutdown beginning at noon on 5/4/2021
-    * Some critical services may be unavialable ​for up to twelve hours.+    * Some critical services may be unavailable ​for up to twelve hours.
     * It may take several days to restore services on all hosts.     * It may take several days to restore services on all hosts.
  
projects/maint-spring-2021.txt ยท Last modified: 2021/06/15 10:27 by wdcohen
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