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projects:maint-winter-2020 [2020/02/20 11:49]
Hans [Downtime Notice: Openlab Circinus Hosts]
projects:maint-winter-2020 [2021/06/15 10:43] (current)
wdcohen
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-======Maintenance Notifications ​Winter 2020=====+======2020 Winter ​Maintenance Notifications===== 
 + 
 +===== Downtime Notice: Openlab Hermod/​Odin/​Velox ===== 
 + 
 +  * Date:  **3/​27/​2020** 
 +  * Start Time:  **0800** 
 +  * Duration: ​ **Approximately 2 hours** 
 +  * Reason: ​ **The latest security and kernel updates will be installed on each host.  After installation,​ hosts will be turned off for about one hour to rewire power and networking for the hosts. **   
 +  * Affects: ​ **All services on each host including SSHD, Slurm, and SGE.**
  
 ===== Downtime Notice: Openlab Circinus Hosts ===== ===== Downtime Notice: Openlab Circinus Hosts =====
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   * Start Time:  **0800**   * Start Time:  **0800**
   * Duration: ​ **Approximately 8 hours**   * Duration: ​ **Approximately 8 hours**
-  * Reason: ​ **The latest security and kernel updates will be installed on each host and then the host will be rebooted ​**  ​+  * Reason: ​ **The latest security and kernel updates will be installed on each host.  After installation,​ hosts will be turned off for about one hour to rewire power and networking for the hosts. ​**  ​
   * Affects: ​ **All services on each host including SSHD, Slurm, and SGE.**   * Affects: ​ **All services on each host including SSHD, Slurm, and SGE.**
  
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   * Reason: ​ **The system has suffered some catastrophic failures requires a complete rebuild.**  ​   * Reason: ​ **The system has suffered some catastrophic failures requires a complete rebuild.**  ​
   * Affects: ​ **The personal hubs from https://​hub.ics.uci.edu will be unavilabled.**   * Affects: ​ **The personal hubs from https://​hub.ics.uci.edu will be unavilabled.**
 +
 ===== Partial Openlab Failure 2/6/2020 ===== ===== Partial Openlab Failure 2/6/2020 =====
  
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   * Reason: ​ **The latest security and kernel updates will be installed on each host and then the host will be rebooted **  ​   * Reason: ​ **The latest security and kernel updates will be installed on each host and then the host will be rebooted **  ​
   * Affects: ​ **All services on each host including SSHD, httpd and SAMBA.**   * Affects: ​ **All services on each host including SSHD, httpd and SAMBA.**
 +
 +===== Downtime Notice: Cantor Storage Host =====
 +
 +  * Date:  **3/​25/​2020**
 +  * Start Time:  **0800**
 +  * Duration: ​ **Approximately 4 hours**
 +  * Reason: ​ **The system has suffered a disk failure.**  ​
 +  * Affects: ​ **Any home or extra directories residing on the host will be inaccessible.**
  
 ==== SYSTEM ==== ==== SYSTEM ====
projects/maint-winter-2020.1582228176.txt.gz · Last modified: 2020/02/20 11:49 by Hans
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