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projects:maint-winter-2018 [2018/02/02 11:37]
Hans
projects:maint-winter-2018 [2018/03/26 13:11] (current)
Hans [Spring Break Maintenance]
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 ====== Calendar ====== ====== 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]] [[https://​calendar.google.com/​calendar/​embed?​src=ics.uci.edu_rbt2q6kmhapqm4bjaet1j48h00@group.calendar.google.com&​ctz=America/​Los_Angeles|ICS Computing Support Maintenance Calendar]]
  
  
 +====Spring Break Maintenance====
  
 +  * Date: 3/27/2018
 +  * Time:  All Day
  
-==== Cybertron Updates ====+==Operating System Update and Reboot==
  
-**SYSTEM:** [[hardware:​storage:cybertron|Cybertron]] ​and Unicron Network Appliance Filers+**Affected Hosts**:  All CentOS6, CentOS7, RHEL6, RHEL7, ​and Ubuntu12 hosts.
  
-**DATE:** TBD+**Reason**:   ​Installation of the latest kernel and security patches that include mitigation for the Meltdown and Spectrev1 vulnerabilities.
  
-**START TIME:** TBD+**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.
  
-**DURATION:** 2 hour+**Exceptions List**:
  
-**Reason**: ​ Firmware upgrade. ​ Upgrading OnTAP8 ​to the latest version.+The following hosts are scheduled ​to recieve security only updates:
  
-**Affects**: ​ There is no downtime associated with this work, however a small number of users may experience degraded performance on home or extra directories.+|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| | |
  
-==== Sensoria Slave MySQL Server Reinitialization ====+== Cybertron Updates ​==
  
-**SYSTEM:** Sensoria-mysql database server+System[[hardware:​storage:​cybertron|Cybertron]] and Unicron Network Appliance Filers
  
-**DATE:** 2/8/2018+Date3/27/2018
  
-**START TIME:​** ​1300+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 **DURATION:​** 1 hour
  
-**Reason**:  ​Generate a mysql dump of the sensoria-mysql database+**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 
 + 
 +**Reason**: ​ Install new hardware, RAM and SSD.
  
-**Affects**: ​ The database ​will be placed in read-only mode for this maintenance. ​  Any writes to the database server will hang until the mysql dump operation is complete and tables unlocked.+**Affects**: ​ The host will be unavailable ​for parts of this downtime.
  
  
projects/maint-winter-2018.1517600233.txt.gz · Last modified: 2018/02/02 11:37 by Hans
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