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> > | August 2009 System UpgradesThere's only a two-week "window" in which I can perform these upgrades with the least impact on the Nevis research groups. | |||||||
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> > | ScheduleThis is the list of systems I plan to upgrade on a given day. | |||||||
Monday, August 10 | ||||||||
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This will affect e-mail/logins for grace.ho , willis , an2262 , zhang .
Tuesday, August 11 | ||||||||
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This will affect the e-mail/logins for most of the Neutrino group.
Wednesday, August 12 | ||||||||
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< < | This may cause a Nevis-wide slowdown of all systems, since karthur is the library server. This will also affect the e-mail/logins for members of D0 and those members of ATLAS with home directories on karthur , including ban . | |||||||
> > | This may cause a Nevis-wide slowdown of all systems, since karthur is the library server. This will also affect the e-mail/logins for members of D0 and those members of ATLAS with home directories on karthur , including ban . | |||||||
Thursday, August 13 | ||||||||
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< < | This will also affect the e-mail/logins for any members of ATLAS with home directories on kolya . | |||||||
> > | This will also affect the e-mail/logins for any members of ATLAS with home directories on kolya . | |||||||
Monday, August 17 | ||||||||
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During these upgrades, condor will not be available. No Nevis mailing lists![]() shaevitz , annmarie , jsantini , bishop , capone , and sciulli .
Tuesday, August 18 | ||||||||
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If all goes well, no one's e-mail be affected, nor will any other visible aspects of the Nevis cluster.
Wednesday, August 19 | ||||||||
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This is our mail server. The upgrade will take 4-5 hours. During the upgrade, Nevis e-mail will not be available. | ||||||||
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Thursday, August 21 | ||||||||
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This is our web server. The upgrade will take 4-5 hours. During the upgrade, all Nevis web services (including the Wiki, meeting-room schedules, calendars, etc.) will not be available. | ||||||||
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What is the nature of the upgrade?Unless otherwise noted, the Nevis cluster systems are being "upgraded" from Fedora 9 to Scientific Linux 5.3. That word is in quotes because the Scientific Linux 5 packages are earlier versions than those in Fedora 9, and the distribution has fewer features. There is no "upgrade path" from Fedora 9 to Scientific Linux 5.3; I have to completely re-install the operating system. For some systems with a complex configuration, it would take too long to re-create those configurations in SL5.3. Therefore, the following systems being upgraded from Fedora 9 to Fedora 11, which will preserve the configuration information:
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< < | Monday, August 10 | |||||||
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Proposed scheduleMonday, August 10 | |||||||
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< < | This will affect the e-mail for grace.ho and willis . | |||||||
> > | This will affect e-mail/logins for grace.ho , willis , an2262 , zhang .
Tuesday, August 11
Wednesday, August 12
karthur is the library server. This will also affect the e-mail/logins for members of D0 and those members of ATLAS with home directories on karthur , including ban .
Thursday, August 13
kolya .
Monday, August 17
![]() shaevitz , annmarie , jsantini , bishop , capone , and sciulli .
Tuesday, August 18
Wednesday, August 19
Thursday, August 21
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August 2009 System UpgradesProposed schedule:Monday, August 10
grace.ho and willis . |