Difference between revisions of "Notices"
 
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<!--  *************** BEGIN ACTIVE NOTICES **************************** -->
  
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== Unplanned service outages ==
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== {{red|CS IT STAFF AVAILABILITY}} ==
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None at this time.
 
  
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== Planned outages ==
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*  The CS IT Support staff operates out of Malone Hall. Our group is working a hybrid schedule with some of us working remotely on certain days, while others of our team are on campus. 
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<!--  None at this time.  -->
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* We are available M-F, 8:30 to 5pm, but there may be certain times we might be online only.
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* Therefore, please remember to email [mailto:support@cs.jhu.edu support@cs.jhu.edu] for assistance.
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* Also, please have [https://support.cs.jhu.edu/wiki/Zoom Zoom] available on your device(s), so that we can arrange to contact you using that method, as an alternative to in-person communication.
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* Steve DeBlasio, our accounts liaison, is providing a virtual version of his daily office hours for accounts, etc.  Email [mailto:support@cs.jhu.edu support@cs.jhu.edu] for details.
  
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8/14 Outage complete.  If you're experiencing issues...
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<br><p>
  
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The planned outage from the morning of 8/14/13 is complete, and our servers are back up.  I you're experiencing any problems connecting to our systems (logging in or sending or receiving CS mail), please e-mail [mailto:support@cs.jhu.edu support@cs.jhu.edu) as soon as possible with a complete description of your problem.  We need to know what machine you're trying to ssh into *and* from what IP you're ssh'ing.  If you're experiencing issues connecting to our mail server to send e-mail, please provide us your client's outgoing mail settings (including security type and whether you have it set to require a login.  Please do not send us passwords.
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<!--== {{red|JHU IT SERVICE OUTAGES AFFECTING CS IT SERVICES}} == -->
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<!--
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=== PLANNED ''JHU'' SERVICE OUTAGES ===
  
  
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=== UNPLANNED ''JHU'' SERVICE OUTAGES ===
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-->
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== {{red|CS IT SERVICE OUTAGES (Unplanned & Planned)}} ==
  
  
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=== UNPLANNED CS IT SERVICE OUTAGES ===
  
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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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:None at this time.
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<!--
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:{{red|'''Oct 24, 9:50am:'''}} Several of our Grad Net servers and clients are being affected by an issue on our main file server.  You might notice slowness, hanging, etc.  We're working on the problem now.
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-->
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<!--
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{{outage
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  |services=many CS Linux clients; possibly also mail
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  |time=Thursday, September 18 starting around 12:30 pm
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  |summary=Many of our systems are having problems and are unresponsive over the network.  We're investigating the problem.
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  |update=As of about 4:15 pm, we believe we've restored all services.
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}}
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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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'''MAJOR''' upgrade of blaze, one of our main CS servers, as well as moving other servers into new rack locations,  will create a 6-hour planned downtime for the Grad/Research Network.
 
  
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'''Outage will begin at 12am (midnight), Wednesday, 8/14 and last until 6am Wednesday.'''
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=== PLANNED CS IT SERVICE OUTAGES ===
  
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During that time, the following services will be ''unavailable'':
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<!--:None at this time.-->
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===Outage #1: CS Webserver Will Be Unavailable===
  
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* ''Email in or out on the Grad/Research Net will be disabled.'' (Connections to smtp.cs.jhu.edu and pop.cs.jhu.edu will fail during that time.  However, incoming mail to CS should queue at an alternative server.)
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:'''WHAT:''' CS Webserver will be unavailable due server maintenance.
  
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* ''Email on the Undergrad Net will be disabled during this time'' (as CS Ugrad e-mail addresses are registered on blaze.)
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:'''WHEN:'''  Thursday, October 30, from 7am to 7:30am.
  
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* ''DNS, when using blaze as your only DNS server, will be unavailable.'' blaze is the dept's primary DNS server, however, DNS should fail over to a secondary DNS server, if you have one defined.  If you don't have a secondary server in your computer's DNS defined, please add 128.220.2.7
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:'''DETAILS:'''  
  
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* ''Grad/Research Net user accounts/home directories will be inaccessible'' during the downtime.
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:On Thursday, October 30, at 7:00 am, we will be taking the department web server offline for some necessary maintenance. It should be offline for no more than half an hour.
  
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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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:During the maintenance window, the CS department website will be unreachable, as will any lab group or individual websites hosted by the CS IT group. The CS grad net webmail will be unavailable.
  
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* ''peregrine.cs.jhu.edu (our Solaris login server) will be unavailable''
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:Web sites hosted elsewhere (e.g. a GitHub Pages site with a cs.jhu.edu hostname) will be unaffected. Other CS services will be unaffected.
  
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* ''Our mysql server, mysql.cs.jhu.edu, will be unavailable.''
 
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* ''Samba shares will be unavailable.''
 
  
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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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====Outage #2: CS Labs/Systems Will Be Unavailable====
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:'''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, November 7, 5pm '''through''' Saturday, November 8, 9pm.
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:'''DETAILS:'''
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: Both the MH 122 '''and''' G61 Masters and Ugrad Labs will be used for an ACM Programming Contest and will therefore be '''''closed''''' to those not participating in the contest.
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: Additionally, all of the labs' Linux computers (masters1 through masters16 and ugrad1 through ugrad24) will be unavailable during the time period referenced above.
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* During the lab closure times, compute servers, gradx.cs.jhu.edu, gradz.cs.jhu.edu, ugradx.cs.jhu.ed, and ugradz.cs.jhu.edu  '''''will continue to be available remotely''''', via SSH.
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* We have to take down the lab systems late that Friday afternoon.  At the end of the ACM contest that Saturday night, the coordinators of that contest will be turning our lab computer systems back on.  Most should boot normally.  But, if some do not, just trying using an alternate one in the lab. We'll be back in the Monday afterwards and can check on any systems that didn't boot normally. (And don't forget, as mentioned above our compute servers -- gradx, gradz, ugradx, ugradz -- will continue to be remotely available, even if the lab systems are not.)
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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.
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<!--
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==== Scheduled Networking Outage on the Malone Ground Floor ====
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:'''WHAT:''' WiFi and Ethernet connections will not be available on the ground floor of Malone Hall during an upcoming JHU-planned networking outage.
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:'''WHEN:'''  JHU's Planned Network Outage – Wednesday, August 27, 2025, from 8pm through midnight.
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:'''DESCRIPTION:''' JHU is planning a network outage at Malone Hall to install new networking equipment.  The outage will start at 8:00 pm and is expected to last between two and four hours.  During the outage, the wireless access points on the ground floor will be offline, as will most of the Ethernet jacks.  Please be prepared to not have any network connectivity on the Malone ground floor during this time.
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:Ethernet connections in the Malone server room, G29, will not be affected by this outage.  Any servers in G29 should remain accessible.  The Linux clients and Ethernet jacks in room G61, which contains the ground floor masters and undergrad labs, will not be affected either.  (But any laptops brought into G61 during the outage probably won't be able to access the wireless network.)
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-->
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<br>
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== {{red|CS COMPUTING LAB AVAILABILITY}} ==
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<!--  ***** NORMAL POSTING MH 122****** -->
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:'''MH 122''' (CS Undergrad Lab/Collaboration room) is available for in-person access, {{red|except for what's listed above.}}
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<!-- ****** NORMAL POSTING G61 ********** -->
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:'''MH G61''' (CS Masters/Ugrad Labs) is available for in-person access, {{red|except for what's listed above.}}
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<br>
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== {{red|AUDIO/VISUAL (A/V) OUTAGES}} ==
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:None at this time.  
  
 
[[Category:All]]
 
[[Category:All]]

Latest revision as of 19:46, 28 October 2025


CS IT STAFF AVAILABILITY

  • The CS IT Support staff operates out of Malone Hall. Our group is working a hybrid schedule with some of us working remotely on certain days, while others of our team are on campus.
  • We are available M-F, 8:30 to 5pm, but there may be certain times we might be online only.
  • Therefore, please remember to email support@cs.jhu.edu for assistance.
  • Also, please have Zoom available on your device(s), so that we can arrange to contact you using that method, as an alternative to in-person communication.
  • Steve DeBlasio, our accounts liaison, is providing a virtual version of his daily office hours for accounts, etc. Email support@cs.jhu.edu for details.


CS IT SERVICE OUTAGES (Unplanned & Planned)

UNPLANNED CS IT SERVICE OUTAGES

None at this time.


PLANNED CS IT SERVICE OUTAGES

Outage #1: CS Webserver Will Be Unavailable

WHAT: CS Webserver will be unavailable due server maintenance.
WHEN: Thursday, October 30, from 7am to 7:30am.
DETAILS:
On Thursday, October 30, at 7:00 am, we will be taking the department web server offline for some necessary maintenance. It should be offline for no more than half an hour.
During the maintenance window, the CS department website will be unreachable, as will any lab group or individual websites hosted by the CS IT group. The CS grad net webmail will be unavailable.
Web sites hosted elsewhere (e.g. a GitHub Pages site with a cs.jhu.edu hostname) will be unaffected. Other CS services will be unaffected.


Outage #2: CS Labs/Systems Will Be Unavailable

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.
WHEN: Starting Friday evening, November 7, 5pm through Saturday, November 8, 9pm.
DETAILS:
Both the MH 122 and G61 Masters and Ugrad Labs will be used for an ACM Programming Contest and will therefore be closed to those not participating in the contest.
Additionally, all of the labs' Linux computers (masters1 through masters16 and ugrad1 through ugrad24) will be unavailable during the time period referenced above.
  • During the lab closure times, compute servers, gradx.cs.jhu.edu, gradz.cs.jhu.edu, ugradx.cs.jhu.ed, and ugradz.cs.jhu.edu will continue to be available remotely, via SSH.
  • We have to take down the lab systems late that Friday afternoon. At the end of the ACM contest that Saturday night, the coordinators of that contest will be turning our lab computer systems back on. Most should boot normally. But, if some do not, just trying using an alternate one in the lab. We'll be back in the Monday afterwards and can check on any systems that didn't boot normally. (And don't forget, as mentioned above our compute servers -- gradx, gradz, ugradx, ugradz -- will continue to be remotely available, even if the lab systems are not.)
  • The printers in MH 122 and MH G61 will remain online, but, please pick up your printouts outside of the contest hours.


CS COMPUTING LAB AVAILABILITY

MH 122 (CS Undergrad Lab/Collaboration room) is available for in-person access, except for what's listed above.
MH G61 (CS Masters/Ugrad Labs) is available for in-person access, except for what's listed above.


AUDIO/VISUAL (A/V) OUTAGES

None at this time.