Difference between revisions of "Notices"
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===Planned Service Outage ===
 
===Planned Service Outage ===
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<!-- '''WHAT:''' ''blaze.cs.jhu.edu'' (CS Grad/Research Net's mail server, NIS server, and dept's DNS server) will be rebooted.
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'''WHEN:''' Tuesday, May 24, starting at 7am.  Reboot should take around 10 minutes or less, but, we're going to say the process might take up to an hour, just in case any issues arise.
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'''WHAT:''' Major CS Grad/Research Net service outage, as we upgrade its file server.
  
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'''DETAILS:'''  One of our main servers, blaze, requires a reboot to activate some additional settings.
 
  
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During that time, there will be no CS email service in or out of the CS Grad network. You will not be able to send or receive mail (IMAP/POP/etc.) through blaze (smtp.cs.jhu.edu/pop.cs.jhu.edu) or via webmail during that time. Also, DNS might be slow or non-existent, depending upon your client's own configuration.
 
  
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You also might experience slow connection times to www.cs.jhu.edu.
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'''WHEN:'''  Wednesday, July 6, from 12am to approx 9am.
  
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Grad Net Lab Linux systems (masters1 through masters16, gradx, and gradz) may experience a short delay as their NIS service connects to a different server.
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'''DETAILS:'''  One of our major CS Grad/Research Net servers will be shut down to be upgraded to new hardware and system configurations, early morning next Wednesday, July 6, from 12am until approx 9am.  
  
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Any updates (delays, etc.) will be found on this page. -->
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That server, ''rtfm.cs.jhu.edu'', is our CS Grad/Research Net home directory (''/users'') file server.  As a result of this server upgrade process,  '''''several of our CS services will be unavailable during the shutdown.'''''
  
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None at this time.
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If there are any unexpected complications during the upgrade that will delay the restoration of services, we will update this Notices page.  
  
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'''''IMPORTANT!'''''  As a result of the rtfm.cs.jhu.edu file server being down, there will be several suspended services during the downtime for Grad/Research Net users:
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* ''CS Mail service'', both incoming and outgoing, will be suspended for CS Grad/Research Net users (as this fileserver works in tandem with our mail server.)  Incoming mail should be queued by the sender until our mail service is back up again.  Outgoing mail will not be available.
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* ''IMAP, POP, and Webmail'' from our CS (Grad/Research Net) Mail server will be unavailable.
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* ''Some CS webpages'', including user (and possibly lab and other CS pages), will be unavailable.
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* Grad/Research Net user accounts/home directories will be inaccessible during the downtime.
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* ''SMB File Shares'' (CS Office Staff uses these) will be unavailable.
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''
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*'' ssh service to our CS Grad/Research Net Linux boxes (masters1 through masters16, gradx, and gradz) will be unavailable.
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* ''Console (desktop) access'' to masters1 through masters16 will be unavailable.
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* ''MySQL service'' via the mysql.cs.jhu.edu server will be unavailable.
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'''Ugrad Net users:'''  During the rtfm.cs shutdown/upgrade, email directed to your ugrad acct @cs.jhu.edu will not be immediately delivered.  Other Ugrad Net services should remain available.
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<!-- None at this time.  -->
  
 
== CS COMPUTING LAB AVAILABILITY ==
 
== CS COMPUTING LAB AVAILABILITY ==

Revision as of 19:24, 30 June 2016

UNPLANNED SERVICE OUTAGES


masters12 (grad net computer located in G61) is down due to a bad disk. Grad/Research Net users can use any of the other Grad/Research Net Linux systems until we've replaced the disk. No ETA on the disk replacement timeframe yet.


PLANNED SERVICE OUTAGES

Planned Service Outage

CS COMPUTING LAB AVAILABILITY

MH 122 (Ugrad Lab)

Open as usual. Test 2

MH G-61 (Masters/Ugrad Lab)

Open as usual.