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projects:maint-summer-2018 [2018/08/21 16:34]
Hans [Fall Quarter Maintenance]
projects:maint-summer-2018 [2018/09/14 10:50] (current)
hans [Summer Quarter Maintenance]
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 [[https://​calendar.google.com/​calendar/​embed?​src=ics.uci.edu_rbt2q6kmhapqm4bjaet1j48h00@group.calendar.google.com&​ctz=America/​Los_Angeles|ICS Computing Support Maintenance Calendar]] [[https://​calendar.google.com/​calendar/​embed?​src=ics.uci.edu_rbt2q6kmhapqm4bjaet1j48h00@group.calendar.google.com&​ctz=America/​Los_Angeles|ICS Computing Support Maintenance Calendar]]
  
-====Fall Quarter Maintenance====+====Summer ​Quarter Maintenance====
  
-Fall quarter Maintenance has been schedule for 9/​17/​2018. ​  ​Please check the [[projects:​maint-summer-2018|Summer Maint. website]] for updates. ​ Send email ot helpdesk@ics.uci.edu to have maintenance rescheduled.+Fall quarter Maintenance has been schedule for 9/​17/​2018. ​  ​Please check the [[projects:​maint-summer-2018|Summer Maint. website]] for updates. ​ Send email to helpdesk@ics.uci.edu to have maintenance rescheduled.
  
   * Date:  9/17/2018   * Date:  9/17/2018
   * Time:  All Day   * Time:  All Day
 +
 +=== Network Switch Firmware Update and Reboot ===
 +
 +**Affected Hosts:** Large number of ICS Hosts
 +
 +**Reason:** Switch unresponsive to remote logins.
 +
 +**Impact:​** ​ These switches provide network connection for a large number of servers. ​ As the firmware update occurs, except network interruptions of up to 1 hour.  If you have a server that needs uninterrupted network connection, please email helpdesk@ics.uci.edu with the server name and the reason.
  
 === Relocate john-luther to Critical Rack Cluster === === Relocate john-luther to Critical Rack Cluster ===
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 **Impact**:  ​ **Impact**:  ​
   * gitlab will be unavailable during this period.   * gitlab will be unavailable during this period.
 +
 +=== Pedigree/​Beem systems to new power ===
 +
 +**Affected Hosts**:  ​
 +  * Pedigree cluster
 +  * Beem2 and Beem3
 +
 +**Reason**: ​ Relocating power to 110V to free up power needed for another project.
 +
 +**Impact**: ​ The server will be turned off for about 10-15 minutes while power is rerouted. ​ This will happen after the servers are patched. ​ Rather than a reboot, a brief shutdown will occur instead.
  
 === OS Maintenance === === OS Maintenance ===
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 **Impact**: ​ Clients should not experience any interuption in service. **Impact**: ​ Clients should not experience any interuption in service.
  
-==== Patching Odin ==== +===Gitlab Server Downtime===
- +
-Affected Hosts: odin.ics.uci.edu. +
- +
-Reason: Upgrading the BIOS firmware to fix the CPU error, referring to ticket #68146. +
- +
-Impact: 3 hours downtime/​interruption on odin host. +
- +
-If this downtime would cause hardship for your research, please send mail to helpdesk@ics.uci.edu to setup an alternate schedule. +
- +
-====Gitlab Server Downtime====+
  
   * SYSTEM: ​ Gitlab Server   * SYSTEM: ​ Gitlab Server
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 than expected, due to unforeseeable circumstances.) than expected, due to unforeseeable circumstances.)
  
-===AFFECTS:===       +==AFFECTS:​== ​      
  
 During this downtime window, the ICS Gitlab server will be unavailable.  ​ During this downtime window, the ICS Gitlab server will be unavailable.  ​
  
  
-===REASON:===+==REASON:==
  
 The GitLab server will be updated to the latest security release, 11.1.2. The GitLab server will be updated to the latest security release, 11.1.2.
 +
 +===#68260 MySQL Server Maintenance ===
 +
 +  * SYSTEM: ​ melvil-dewey-v0.ics.uci.edu
 +  * DATE:  September 17, 2018
 +  * START TIME: 0600
 +  * DURATION: 15 minutes
 +
 +(Please note this is an estimate; ​ systems may be up sooner or later 
 +than expected, due to unforeseeable circumstances.)
 +
 +==AFFECTS:​== ​      
 +
 +During this period the MySQL server will be unavailable. ​  Any dependent websites, including https://​www.ics.uci.edu,​ and applications will be unavailable.
 +
 +
 +==REASON:==
 +
 +A restart is required in order to limit the size of the ibtmp1 caching file.
 +
 +====VirtualBox 5.2.18 Upgrade #68338: ====
 +
 +  * SYSTEM: ​ All ICS Systems
 +  * DATE:  Sept 14, 2018
 +
 +Affected Hosts: All ICS hosts
 +
 +Reason: ​ Upgrading to the latest version of Virtual Box on all ICS hosts between quarters.
 +
 +Impact: Running VM's may require a restart. ​  No other service outage anticipated.
 +
 +
 +====Vagrant 2.1.4 Upgrade #68338: ====
 +
 +  * SYSTEM: ​ All ICS Systems
 +  * DATE:  Sept 14, 2018
 +
 +Affected Hosts: All ICS hosts
 +
 +Reason: ​ Upgrading to the latest version of Vagrant on all ICS hosts between quarters.
 +
 +Impact: Running VM's may require a restart. ​  No other service outage anticipated.
 +====Odin Emergency Maintenance====
 +
 +  * SYSTEM: ​ odin.ics.uci.edu
 +  * DATE:  Aug 27, 2018
 +  * START TIME: 1130
 +  * DURATION: 2 hours
 +
 +Affected Hosts: odin.ics.uci.edu.
 +
 +Reason: ​ Dell Tech will be onsite replacing failed parts.
 +
 +Impact: 2 hours downtime/​interruption on odin host.
 +
 +This is an estimate and systems may be down longer or back online sooner than estimated.
 +
 +====Patching Odin====
 +
 +  * SYSTEM: ​ Odin Server
 +  * DATE:  Aug 27, 2018
 +  * START TIME: 10:00
 +  * DURATION: 2 hours
 +
 +Affected Hosts: odin.ics.uci.edu.
 +
 +Reason: Upgrading the BIOS firmware to fix the CPU error, referring to ticket #68146.
 +
 +Impact: 2 hours downtime/​interruption on odin host.
 +
 +If this downtime would cause hardship for your research, please send mail to helpdesk@ics.uci.edu to setup an alternate schedule.
 +
 +
projects/maint-summer-2018.1534894488.txt.gz · Last modified: 2018/08/21 16:34 by Hans
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