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| | :None at this time. | | :None at this time. |
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| | | | |
| | === PLANNED CS IT SERVICE OUTAGES === | | === PLANNED CS IT SERVICE OUTAGES === |
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| − | ===={{red|'''OUTAGE: CS Linux Lab Systems Downtime/Upgrade Schedule'''}}====
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| − | '''WHEN:''' Monday, August 19 through Friday, August 23
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| − | '''WHAT:''' Subsets of the CS Linux clients will be down for upgrades over the course of the week.
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| − | '''DETAILS:''' In prepping for the new semester, we will be upgrading the CS Dept's [[:Category:Linux Clients|Linux clients]] (our lab systems and others that are remotely-accessible-only) from Fedora 38 to Fedora 40. This will require having the clients offline during the upgrades. We'll do this in stages, so there will always be some clients available at all times.
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| − | The upgrade schedule for these systems will be as follows:
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| − | * On Monday, August 19, ugrad1 through ugrad12 (in MH 122) will be upgraded.
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| − | * On Tuesday, August 20, ugrad13 through ugrad24 and masters1 through masters16 (in MH G61) will be upgraded.
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| − | * On Wednesday, August 21, ugradz and gradz (remotely-accessible only) will be upgraded.
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| − | * On Thursday, August 22, ugradx and gradx (remotely-accessible only) will be upgraded.
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| − | * On Friday. August 23, any systems that had to be skipped during the previous days will be upgraded. Our Notices page will have information about any such systems.
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| | | | |
| | <!--:None at this time.--> | | <!--:None at this time.--> |
| | | | |
| − | | + | ==== Malone '''MH 122''' ''and'' '''G61''' Ugrad and Masters Labs {{red|'''''Closure'''''}}==== |
| − | | |
| − | <!--
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| − | -->
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| − | <!-- ************************* END OF OUTAGE INFO ************************* -->
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| − | <!-- ------------------------------------------------------------- -->
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| − | <!--
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| − | *********************************
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| − | ** VM Server Shutdown TEMPLATE **
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| − | *********************************
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| − | | |
| − | '''WHAT:''' The dept's Virtual Machine will be shutdown.
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| − | | |
| − | '''WHEN:''' Wednesday, January 11 from 6am to 3pm (or earlier)
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| − | | |
| − | We need to do some work on the VM server and will be taking it down during the above date and time.
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| − | | |
| − | As part of the shutdown process, we will suspend most or all of the VMs; some
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| − | VMs might have to be shutdown all the way instead. And when the VM server is back up and running again, we will restart or unsuspend all VMs. In all cases, VM owner intervention should not be needed; we can handle this remotely.
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| − | | |
| − | After the VM server is up and running again, VM owners will receive an announcement (and updates will be posted here), and, we do ask that VM owners check to make sure their VMs are running as expected. Please email [mailto:support@cs.jhu.edu support@cs.jhu.edu] if there are issues.
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| − | | |
| − | ** END VM Server Shutdown TEMPLATE** -->
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| − | <!-- **Begin Specific Client shutdown TEMPLATE**
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| − | | |
| − | '''WHAT:''' ugradz.cs.jhu.edu (one of our CS Dept Linux Ugrad Net compute servers) will go down for a memory upgrade.
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| − | | |
| − | '''WHEN:''' Thursday, April 6, from 9am to 11am.
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| − | | |
| − | '''DETAILS:''' ugradz will be taken offline so that its memory can be upgraded. While ugradz is down for its memory upgrade, you can still access our other Ugrad Net Fedora 25
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| − | systems (ugrad1 through ugrad24 and ugradx.) Info about our Fedora systems can be found at: https://support.cs.jhu.edu/wiki/Category:Linux_Clients
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| − | | |
| − | Please make sure you are logged off of ugradz before the upgrade time.
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| − | | |
| − | Any updates will be posted here.
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| − | | |
| − | **End Specific Client shutdown TEMPLATE** -->
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| − | | |
| − | == {{red|CS COMPUTING LAB AVAILABILITY}} == | |
| − | <!-- ***** NORMAL POSTING MH 122****** -->
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| − | | |
| − | ;:'''MH 122''' (CS Undergrad Lab/Collaboration room) is available for in-person access.
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| − | <!--:* As of August, 2022, masks are now '''''optional''''' in the lab-->
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| − | <!-- for those that are vaccinated '''''and''''' boosted. Masks '''''continue''''' to be '''''required''''' for all others using this lab.-->
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| − | <!--
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| − | :'''MH 122 ''UNAVAILABILITY'''''
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| − | | |
| − | ::'''WHAT:''' MH 122 (and its breakout rooms) will be '''''closed''''' for due to a Human Language Technology Center of Excellence (HLTCOE) workshop being held there.
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| − | ::'''WHEN:''' Monday, Jan 8 through Friday, Jan 19, 2024.
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| − | | |
| − | ::'''NOTES:'''
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| − | :* The G-61 Masters/Ugrad Lab will remain open and available during this time period. The G-61 printer will remain available as well.
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| − | :* The MH 122 Linux systems, ugrad1 through ugrad12, will continue to be available, '''''but only remotely via ssh'''''. Please see our page on: [[Linux_Clients_on_the_CS_Undergrad_Net]]
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| − | -->
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| − | | |
| − | | |
| − | <!--
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| − | :'''MH 122 ''UNAVAILABILITY'''''
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| − | ::'''WHAT:''' MH 122 (and its breakout rooms) will be '''''closed''''' for the summer due to a CLSP workshop being held there.
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| − | ::'''WHEN:''' Wednesday, June 5 through Monday, August 5. On Tuesday, August 6, the room becomes available to CS again, with ugrad1 through ugrad12 and the lab's printer returning to the room on sometime during August 6 and August 7.
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| − | | |
| − | ::'''NOTES:'''
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| − | | |
| − | :* The MH 122 Linux systems, ugrad1 through ugrad12, will continue to be available, '''''but only remotely via ssh''''' ''until'' they are moved back into MH-122 sometime during the Tues Aug 6 and/or Wed, Augu 7. There will be some downtime for those systems on 8/6 and/or 8/7 as the systems are transferredback to MH 122. Please see our page on: [[Linux_Clients_on_the_CS_Undergrad_Net]] https://support.cs.jhu.edu/wiki/Linux_Clients_on_the_CS_Undergrad_Net for a list of our remotely-available Ugrad Linux systems.
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| − | | |
| − | :* The printer in MH 122 will be ''unavailable'' during this time, but it too should be back in MH-122 on 8/6 or 8/7.
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| − | | |
| − | :* The G61 Masters/Ugrad Lab will remain open and available during the summer, and its Linux systems will be available for in-person and remote work, as usual. The G61 printer will remain available as well.
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| − | -->
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| − | | |
| − | <!-- ****** NORMAL POSTING G61 ********** -->
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| − | :'''MH G61''' (CS Masters/Ugrad Labs) is available for in-person access.
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| − | | |
| − | <!--:* All CS Linux systems in this lab area (masters1 through masters16 and ugrad13 through ugrad24) are available for use in-person or remotely, via ssh.-->
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| − | | |
| − | <!--
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| − | ******************************************************
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| − | **** ACM CONTEST TEMPLATE - All CS Labs Closed on Friday/Saturday, Feb 23-24, 2024*****
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| − | ******************************************************
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| − | -->
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| − | <!--
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| − | === Malone '''MH 122''' ''and'' '''G61''' Ugrad and Masters Labs {{red|'''''Closure'''''}}=== | |
| | | | |
| | :'''WHAT:''' Malone Hall MH 122 '''and''' Malone Hall G61, both the Masters and Ugrad sides of the lab, '''and ''all'' the lab Linux computers, will be closed to CS students due to an ACM Programming Contest. | | :'''WHAT:''' Malone Hall MH 122 '''and''' Malone Hall G61, both the Masters and Ugrad sides of the lab, '''and ''all'' the lab Linux computers, will be closed to CS students due to an ACM Programming Contest. |
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| − | :'''WHEN:''' Starting Friday evening, Feb 23, 5pm '''through''' Saturday, February 24, 9pm. | + | :'''WHEN:''' Starting Friday evening, November 15, 5pm '''through''' Saturday, November 16, 9pm. |
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| | :'''DETAILS:''' | | :'''DETAILS:''' |
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| | * The printers in MH 122 and MH G61 will remain online, but, please pick up your printouts outside of the contest hours. | | * The printers in MH 122 and MH G61 will remain online, but, please pick up your printouts outside of the contest hours. |
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| − | -->
| + | <br> |
| − | <!-- ********* TEMPLATE FOR G61 Masters Closure for ACM Local Contest **********--> | |
| − | <!--
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| − | : '''Malone G61 ''Masters Lab'' Closure'''
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| | | | |
| − | ::'''WHAT:''' Malone Hall G61, '''the ''Masters'' side only''', will be closed to CS Masters students due to a ''local'' ACM Programming Contest.
| + | == {{red|CS COMPUTING LAB AVAILABILITY}} == |
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| − | ::'''WHEN:''' Saturday, February 4, from 1:30pm to 7pm.
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| − | ::'''DETAILS:'''
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| − | :::The G61 Masters side of the lab will be used for an ACM Programming Contest and will therefore be closed for non-contest use during the 1:30 to 7pm time period on Feb. 4. The Ugrad side will be unaffected, and Ugrad students may enter through the Master's side of the lab to get to the Undergrad side of the lab.
| + | <!-- ***** NORMAL POSTING MH 122****** --> |
| − | | + | :'''MH 122''' (CS Undergrad Lab/Collaboration room) is available for in-person access. |
| − | :::During the Masters lab closure times, the Masters computers in G61 will continue to be available remotely, via SSH. | + | :{{red|However, please see the info above regarding the mid-November lab closure and systems unavailability.}} |
| − | | |
| − | ::Please see our [https://support.cs.jhu.edu/wiki/Category:Labs Labs] page for further information about our labs.
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| − | -->
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| | <!-- | | <!-- |
| − | ******************************************************
| + | :'''MH 122 ''UNAVAILABILITY''''' |
| − | **** G61 Lab Closure Programming Contest TEMPLATE ****
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| − | ******************************************************
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| − | === Malone '''G61''' Masters Lab/Ugrad Lab '''Closure'''===
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| − | | |
| − | :'''WHAT:''' Malone Hall G61, both the Masters and Ugrad sides of the lab, will be closed to CS students due to the ACM Programming Contest.
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| − | | |
| − | :'''WHEN:''' Saturday, February 26, from 11am to 7pm.
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| − | | |
| − | :'''DETAILS:'''
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| − | | |
| − | :The G61 Masters and Ugrad Labs will be used for an ACM Programming Contest and will therefore be closed for non-contest use during the 11am to 7pm time period on Feb. 26.
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| − | | |
| − | * During the lab closure times, the Masters and Ugrad Linux computers in G61 will continue to be available remotely, via SSH.
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| − | | |
| − | * Ugrad Lab, MH 122 will ''not be affected'' and will remain ''open'' during this time
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| − | | |
| − | | |
| − | === '''''UPDATE''''' - July 19, 2021 - The CS Computing Labs are once again available for '''''in-person access'''''...===
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| − | | |
| − | :'''MH 122''' (CS Undergrad Lab/Collaboration room): Is now '''''available for in-person access'''''. | |
| − | ::All CS Linux systems in that room (ugrad1 through ugrad12) are available for use in-person or remotely, via ssh. {{red|Masks are required for entry.}}
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| − | | |
| − | :'''MH G61''' (CS Masters/Ugrad Labs): Is now '''''available for in-person access'''''.
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| − | ::The Linux systems in this lab area (masters1 through masters16 and ugrad13 through ugrad24) are available for use in-person or remotely, via ssh. {{red|Masks are required for entry.}}
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| − | | |
| − | Please see our [https://support.cs.jhu.edu/wiki/Category:Labs Labs] page for further information.
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| − | <!--'''NOTE:''' Remember, all of the CS Linux systems, including the ones in the labs, will be unavailable during the March 22 power outage. Please see above.-->
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| − | <!-- *************** END ACTIVE NOTICES ********************-->
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| − | <!-- :None at this time. -->
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| − | <!--PROGRAMMING CONTEST TEMPLATE -->
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| − | <!-- === MH 122 ''and'' MH G61 (both CS Ugrad labs & the Masters Lab) CLOSURE ON Sat., Nov. 9===
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| − | | |
| − | '''WHAT:''' The 1st floor CS Ugrad lab, MH 122, and both lab sides of the CS Masters/Ugrad Lab, MH G61, will be closed due to an ACM Programming Contest.
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| − | '''WHEN:''' Saturday, November 9, from 9am - 7pm.
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| − |
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| − | '''ADDITIONAL INFO:''' Although these labs will be closed for the ACM Programming Contest, you may still access our Ugrad Linux systems remotely, via ssh. Please see:
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| − | :: [https://support.cs.jhu.edu/wiki/Linux_Clients_on_the_CS_Undergrad_Net https://support.cs.jhu.edu/wiki/Linux_Clients_on_the_CS_Undergrad_Net]
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| − | | |
| − | ::: or
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| − | | |
| − | :: [https://support.cs.jhu.edu/wiki/Linux_Clients_on_the_CS_Grad/Research_Net https://support.cs.jhu.edu/wiki/Linux_Clients_on_the_CS_Grad/Research_Net]
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| − |
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| − | :for a list of our remotely available Linux systems. -->
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| − | <!--
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| − | *
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| − | *
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| − | * ********************* BEGIN TEMPLATES ********************
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| − | *
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| − | *
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| − | *
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| | --> | | --> |
| − | <!-- ************ LAB CLOSURE TEMPLATE - START ***************
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| | | | |
| − | ==== '''PLANNED CLOSURE''''' ====
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| − | '''''WHERE:''''' Malone Hall G61, both the Masters and Ugrad sides of the lab.
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| − | '''''WHEN:''''' Monday, March 14 & Tuesday, March 15, from 6am to 12 Noon.
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| − | '''''WHY:''''' Network cable installation. The lab will be closed those two
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| − | mornings as workers install additional network cable.
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| − |
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| − | =====NOTES:=====
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| − | * During the lab closure times, the masters and ugrad Linux computers in G61 will continue to be available remotely, via SSH.
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| − | * Ugrad Lab, MH 122 will not be affected and will remain open during those times.
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| − |
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| − | ************* LAB CLOSURE TEMPLATE- END *************-->
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| − | <!-- ********** BARLEY SHUTDOWN TEMPLATE - START *************
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| − |
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| − | ===Planned Outage 1: CS Ugrad Net File Server Repair (barley.cs.jhu.edu)===
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| − | UPDATE: 10/4/16 7:15am All systems back in operation!
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| − | :'''WHAT:''' Major CS *Undergrad* Net IT services outage, as we make repairs to the CS Undergrad Net file server, '''barley.cs.jhu.edu'''
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| − | :'''WHEN:''' Tuesday, October 4, from ''6am to approx 8am''.
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| − | :'''DETAILS:''' Our CS Undergrad Net home directory file server, barley.cs.jhu.edu, will be shut down to swap out a motherboard, since its own motherboard is reporting errors.
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| − |
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| − | :Due to this shutdown for repair, several of our CS Ugrad Net services will be unavailable during this time. If there are any unexpected complications during the repair process that will delay the restoration of services, we will update the CS IT Support Wiki's Notices page at [https://support.cs.jhu.edu/wiki/Notices https://support.cs.jhu.edu/wiki/Notices]
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| − | {{red|UPDATE: 10/4/16 7:15am All systems back in operation! }}
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| − |
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| − | ====Suspended (Unavailable) Ugrad Net services while ''barley.cs.jhu.edu'' is down====
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| − | :::*'''CS Ugrad Mail service,''' both incoming and outgoing, will be suspended for CS Ugrad Net users (as this fileserver works in tandem with our CS Ugrad mail server.) Incoming mail should be queued until our mail service is back up again. Outgoing mail from CS Ugrad Net users will not be available.
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| − |
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| − | :::*'''IMAP, POP, and Webmail''' from our CS Ugrad Mail server will be unavailable.
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| − |
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| − | :::*'''Webpages''' served from our CS Ugrad webserver will be unavailable.
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| − | :::*'''Ugrad Net user accounts/home directories''' will be inaccessible during the downtime.
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| − |
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| − | :::*'''ssh service to our CS Ugrad Net Linux boxes''' (ugrad1 through ugrad24,and ugradx) will be unavailable.
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| − |
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| − | :::*'''Console (desktop) access to ugrad1 through ugrad24''' will be unavailable. However, although the CS Ugrad computers will be unavailable during the repair time, the CS Ugrad Labs will remain open.
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| − |
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| − | :::*'''MySQL service via the dbase.cs.jhu.edu server''' (used by a databases class) will be unavailable.
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| − |
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| − | :Future updates will be posted on the [https://support.cs.jhu.edu/wiki/Notices Notices] page of the CS IT Support Wiki
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| − | {{red|UPDATE: 10/4/16 7:15am All systems back in operation! }}
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| − |
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| − | <br>
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| − |
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| − | ===Planned Outage 2: Databases Class MySQL Database Server ('''dbase.cs.jhu.edu''') Unavailability===
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| − | :'''WHAT:''' The Databases class's MySQL database server, dbase.cs.jhu.edu, will be unavailable when the CS Ugrad Net's fileserver, barley.cs.jhu.edu, is being repaired (see above.)
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| − | :'''WHEN:''' Tuesday, October 4, from ''6am to approx 8am''.
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| − | :'''DETAILS:''' dbase.cs.jhu.edu uses the CS Ugrad Net file server and will therefore be unavailable during the barley.cs.jhu.edu repair time.
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| − |
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| − | :Future updates will be posted on the [https://support.cs.jhu.edu/wiki/Notices Notices] page of the CS IT Support Wiki
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| − |
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| − | {{red|UPDATE: 10/4/16 7:15am All systems back in operation! }}
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| − | <br>
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| − |
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| − | ********** BARLEY SHUTDOWN TEMPLATE - END ************* -->
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| − | <!-- ******************* MINOR OUTAGE TEMPLATE BEGIN ***********************
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| − | '''Wed, July 30, 9am through noon:''' ''Entire Undergrad Net'' (clients and servers) will be down as we complete system maintenance and move some equipment to a different rack.
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| − |
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| − | Additionally, the Ugrad Net web and mail service will be unavailable during that time. (Incoming ugrad net mail should queue up on another of our mail servers during that time, until the ugrad mail server is back up and running and transfers the mail.)
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| − |
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| − | ************** MINOR OUTAGE TEMPLATE END ********************* -->
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| − | <!-- ************** MAJOR OUTAGE TEMPLATE BEGIN *********************
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| − |
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| − | '''MAJOR''' motherboard repair of ''rtfm.cs.jhu.edu'', one of our main CS ''Grad/Research'' Net file system servers, will create up to (but hopefully, much shorter than) 6-hour planned downtime for the Grad/Research Network. Our hardware service/repair company will be on-site completing repairs.
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| − |
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| − | '''Outage will begin at 12am (midnight), Thursday, 8/22, and will last until 6am (or earlier) Thursday.'''
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| − |
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| − | During that time, the following services will be ''unavailable'':
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| − |
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| − | * ''Email in or out on the Grad/Research Net will be disabled.'' (Connections to smtp.cs.jhu.edu and imap.cs.jhu.edu will fail during that time. However, incoming mail to CS should queue at an alternative server.)
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| − |
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| − | * ''Email on the Undergrad Net will be disabled during this time'' (as CS Ugrad e-mail addresses are registered via a server on the CS Grad Net.)
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| − |
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| − | * ''DNS will only be available if you've configured your computer with a secondary DNS server.'' If you don't have a secondary server in your computer's DNS defined, please add 128.220.2.7 You may notice a delay in DNS name resolution when falling back to the secondary server.
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| − |
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| − | * ''Grad/Research Net user accounts/home directories will be inaccessible'' during the downtime.
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| − |
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| − | * ''Access to any of our Grad/Research Net linux clients (including gradx and masters1 through masters16, as well as Dr. Smith's pllab machines that we maintain) will be unavailable''
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| − |
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| − | * ''peregrine.cs.jhu.edu (our Solaris login server) will be unavailable''
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| − |
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| − | * ''Our mysql server, mysql.cs.jhu.edu, will be unavailable.''
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| − |
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| − | * ''Samba shares will be unavailable.''
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| − |
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| − | * ''Your Grad/Research Net web pages will be unavailable.'' (The webserver is expected to be serving minimal pages, mostly notices, during that time.)
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| − |
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| − | ******************** MAJOR OUTAGE TEMPLATE END ************************* -->
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| − | <!-- ********* JHU-WIDE OUTAGES TEMPLATE - START *******************
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| − |
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| − | ==JHU-WIDE IT SERVICE OUTAGES==
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| − |
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| − | <br>
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| − |
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| − | '''8/24/16 3:30pm''' UPDATE: We are told that JHU has fixed their mail servers and that JHU mail is back in operation again.
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| − |
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| − |
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| − | '''8/24/16 1:30pm''' JHU's central mail servers are experiencing an issue that is causing mail bouncebacks for people not on JHU Exchange sending to people on JHU Exchange. An error might look like:
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| − |
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| − | :'''The reason for the problem: 5.1.2 - Bad destination host 'Multiple DNS'''
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| − | :'''queries were attempted and failed: DNS Hard Error looking up'''
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| − | :'''feint.johnshopkins.edu<http://feint.johnshopkins.edu/> (A): NXDomain'''
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| − |
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| − | JHU is looking into the problem at their end. Note that although the CS email servers are working fine, those on CS sending to JHU Exchange users may experience the same issue as others outside of JHU Exchange sending to JHU Exchange.
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| | | | |
| | + | <!-- ****** NORMAL POSTING G61 ********** --> |
| | + | :'''MH G61''' (CS Masters/Ugrad Labs) is available for in-person access. |
| | + | :{{red|However, please see the info above regarding the mid-November lab closure and systems unavailability.}} |
| | <br> | | <br> |
| − | *********** JHU-WIDE OUTAGES TEMPLATE - END*********** -->
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| − | <!-- **************** MAIL BOUNCES TEMPLATE - START ****************
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| − | ===Possible Email Bounces From Normally-Working Sites===
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| − |
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| − | '''8/8/16''' We have been receiving reports of ''email bounces from people/organizations that normally work without problems.'' We think we know what is happening. We recently discovered that one of our CS student accounts had been compromised and was being used to send spam. Even though we disabled the account as soon as the compromise was discovered, several mail server reputation services had already classified us as a possible source of spam. As a result of that classification, some organizations have decided to temporarily reject email from our mail server. We can't predict ahead of time which organizations those are, since there are a variety of reputation services, and individual organizations differ in the ways they make use of reputation information.
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| − |
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| − | This problem will fix itself automatically over the next few days, as the reputation services take note of the fact that we have stopped sending spam. There's no way to speed up this process, unfortunately.
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| − |
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| − | This sort of problem doesn't often happen to us. But when it does, it causes headaches like the unexpected bounce messages some people have received. We will be implementing some new processes that we expect will allow us to react more quickly to situations like this, before they reach the point where other organizations stop accepting our mail.
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| − |
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| − | We will update this page once the reputation scores have returned to normal.
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| − | <br>
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| − |
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| − |
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| − | **************** MAIL BOUNCES TEMPLATE - END -->
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| | | | |
| | == {{red|AUDIO/VISUAL (A/V) OUTAGES}} == | | == {{red|AUDIO/VISUAL (A/V) OUTAGES}} == |
