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projects:maint-winter-2018 [2018/01/03 13:44]
Hans created
projects:maint-winter-2018 [2018/03/26 13:11] (current)
Hans [Spring Break Maintenance]
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-==== Cybertron Updates ​====+====== Calendar ======
  
-**SYSTEM:​** ​[[hardware:​storage:cybertron|Cybertron]] and Unicron Network Appliance Filers+[[https://​calendar.google.com/​calendar/​embed?​src=ics.uci.edu_rbt2q6kmhapqm4bjaet1j48h00@group.calendar.google.com&​ctz=America/​Los_Angeles|ICS Computing Support Maintenance Calendar]]
  
-**DATE:** TBD 
  
-**START TIME:​** ​TBD+====Spring Break Maintenance==== 
 + 
 +  * Date: 3/27/2018 
 +  * Time:  All Day 
 + 
 +==Operating System Update and Reboot== 
 + 
 +**Affected Hosts**: ​ All CentOS6, CentOS7, RHEL6, RHEL7, and Ubuntu12 hosts. 
 + 
 +**Reason**: ​  ​Installation of the latest kernel and security patches that include mitigation for the Meltdown and Spectrev1 vulnerabilities. 
 + 
 +**Impact**: ​  
 +  * **ALL** ICS managed hosts in the affected groups will recieve the latest OS patches between 3/20 and 3/27. 
 +  * **ALL** ICS hosts will be rebooted between midnight and 1700 on March 27th. 
 + 
 +**Exceptions List**: 
 + 
 +The following hosts are scheduled to recieve security only updates: 
 + 
 +|bayonet-00.ics.uci.edu|bayonet-01.ics.uci.edu|bayonet-02.ics.uci.edu| 
 +|bayonet-05.ics.uci.edu|bayonet-06.ics.uci.edu|bayonet-07.ics.uci.edu| 
 +|bayonet-09.ics.uci.edu|theory-monster.ics.uci.edu|bayonet-04.ics.uci.edu| 
 +|santa-cruz.ics.uci.edu| | | 
 + 
 +== Cybertron Updates == 
 + 
 +System: [[hardware:​storage:​cybertron|Cybertron]] and Unicron Network Appliance Filers 
 + 
 +Date: 3/27/2018 
 + 
 +Start Time: 0800 
 + 
 +Duration: 2 hour 
 + 
 +Reason: ​ Firmware upgrade. ​ Upgrading OnTAP8 to the latest version. 
 + 
 +Affects: ​ There is no downtime associated with this work, however a small number of users may experience degraded performance on home or extra directories. 
 + 
 +== Cybertron/​Hitachi Cable Replacement == 
 + 
 +System: ​ [[hardware:​storage:​cybertron|Cybertron]] and Unicron Network Appliance Filers 
 + 
 +Date:  3/27/2018 
 + 
 +Start Time:  1000 
 + 
 +Duration: ​ 1 hour 
 + 
 +Ticket Number: ​ 64977 
 + 
 +Reason: ​ Redundantly connect Network Appliance to the Hitachi AMS-2500 via properly ​ . 
 + 
 +Affects: ​ The following NFS qtrees may be unavailable during this period: 
 + 
 +  * cybertron:/​vol9 
 +  * cybertron:/​vol9/​ugrad_space 
 +  * cybertron:/​vol9/​grad_space 
 +  * cybertron:/​vol9/​inst_ugrad_space 
 +  * cybertron:/​vol9/​bayonet_scratch_ 
 + 
 + 
 + 
 + 
 +==== Web server migration ==== 
 + 
 +**SYSTEM:** sylvester-mccoy-v2.ics.uci.edu and sylvester-mccoy-v3.ics.uci.edu 
 + 
 +**DATE:** 3/26/2018 
 + 
 +**START TIME:** 0700 
 + 
 +**DURATION:​** 1 hour 
 + 
 +**REASON:** Websites are being moved to CentOS 7 host. 
 + 
 +**AFFECTS:​** Subversion (https://​svn.ics.uci.edu),​ Instdav (https://​instdav.ics.uci.edu),​ Trac Wiki (https://​grape.ics.uci.edu),​ and Mailman (https://​mailman.ics.uci.edu) will be on new server hosts. 
 + 
 + 
 +==== Sensoria-mysql Disk Expansion === 
 + 
 +**SYSTEM:** sensoria-mysql.ics.uci.edu 
 + 
 +**DATE:** 3/20/2018 
 + 
 +**START TIME:** 2200 
 + 
 +**DURATION:​** 1 hour 
 + 
 +**REASON:** The MySQL /data partition will be expanded. 
 + 
 +**AFFECTS:​** The MySQL database will be stopped briefly in order to unmount and expand the disk partition. 
 + 
 + 
 + 
 +==== Andromeda/​Virtualbox Updates === 
 + 
 +**SYSTEM:** andromeda-37.ics.uci.edu,​ andromeda-38.ics.uci.edu 
 + 
 +**DATE:** 2/9/2018 
 + 
 +**START TIME:** 2000 
 + 
 +**DURATION:​** 1 hour 
 + 
 +**REASON:** VirtualBox updates. Installing and updating new kernel-header files. 
 + 
 +**AFFECTS:​** Machines will be rebooted and be down for a couple minutes. Users on these machines may experience downtime. 
 +==== 66294 Zion-12 Memory and SSD ==== 
 + 
 +**SYSTEM:** zion-12.ics.uci.edu 
 + 
 +**DATE:** 2/6/2018 
 + 
 +**START TIME:​** ​1400
  
 **DURATION:​** 2 hour **DURATION:​** 2 hour
  
-**Reason**:  ​Firmware upgrade.  ​Upgrading OnTAP8 ​to the latest version.+**Reason**:  ​Install new hardware, RAM and SSD. 
 + 
 +**Affects**: ​ The host will be unavailable for parts of this downtime. 
 + 
 + 
 + 
 +==== Named Server Update ==== 
 + 
 +**SYSTEM:** ns1.ics.uci.edu ns2.ics.uci.edu 
 + 
 +**DATE:** 1/4/2018 
 + 
 +**START TIME:** 2:30pm 
 + 
 +**DURATION:​** 10 minutes 
 + 
 +**Reason**: ​ Con added ns6.service.uci.edu into production. ​ Since it didn't allow internal view, our lookup to uci.edu domain would go to the root domain and hit their external view dns servers and have an odd result. ​ Adding forwarding zone for uci.edu to lookup from ns1.service and ns2.service resolves this issue for lookups internally. 
 + 
 +**Affects**: ​ Users should not notice any difference. ​ It should stabilize lookups to uci.edu.
  
-**Affects**: ​ There is no downtime associated with this work, however a small number of users may experience degraded performance on home or extra directories. 
  
 ==== Linux Security Updates ==== ==== Linux Security Updates ====
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-==== Vagrant Update ====+==== Vagrant Update ​to 2.0.1 ====
  
 **SYSTEM:** All systems where the Vagrant Package is installed. **SYSTEM:** All systems where the Vagrant Package is installed.
projects/maint-winter-2018.1515015877.txt.gz · Last modified: 2018/01/03 13:44 by Hans
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