Difference between revisions of "Notices"
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== Planned outages ==
 
== Planned outages ==
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None at this time.
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<!--  None at this time. -->
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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.
 
<!-- '''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.
  
 
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.)  -->
 
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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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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Outage will begin at 12am (midnight), Wednesday, 8/14 and last until 6am Wednesday.
 
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During that time, the following services 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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During that time, the following services will be ''unavailable'':
  
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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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* ''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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* 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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* ''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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* Grad/Research Net user accounts/home directories will be inaccessible during the downtime.
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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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* 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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* ''Grad/Research Net user accounts/home directories will be inaccessible'' during the downtime.
  
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* peregrine.cs.jhu.edu (our Solaris login server) will be unavailable
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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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* Our mysql server, mysql.cs.jhu.edu, will be unavailable.
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* ''peregrine.cs.jhu.edu (our Solaris login server) will be unavailable''
  
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* Samba shares will be unavailable.
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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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* ''Your Grad/Research Net web pages will be unavailable.'' (The webserver is expected to be serving minimal pages, mostly notices, during that time.)
  
 
[[Category:All]]
 
[[Category:All]]

Revision as of 18:22, 8 August 2013

Unplanned service outages

None at this time.

Planned outages

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.

Outage will begin at 12am (midnight), Wednesday, 8/14 and last until 6am Wednesday.

During that time, the following services will be unavailable:

  • 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.)
  • Email on the Undergrad Net will be disabled during this time (as CS Ugrad e-mail addresses are registered on blaze.)
  • 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
  • Grad/Research Net user accounts/home directories will be inaccessible during the downtime.
  • 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
  • peregrine.cs.jhu.edu (our Solaris login server) will be unavailable
  • Our mysql server, mysql.cs.jhu.edu, will be unavailable.
  • Samba shares will be unavailable.
  • Your Grad/Research Net web pages will be unavailable. (The webserver is expected to be serving minimal pages, mostly notices, during that time.)