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<!-- keep this as a security measure: #uncomment if the subject should only be modifiable by the listed groups * Set ALLOWTOPICCHANGE = Main.TWikiAdminGroup,Main.CMSAdminGroup * Set ALLOWTOPICRENAME = Main.TWikiAdminGroup,Main.CMSAdminGroup #uncomment this if you want the page only be viewable by the listed groups # * Set ALLOWTOPICVIEW = Main.TWikiAdminGroup,Main.CMSAdminGroup --> %TOC% %ICON{arrowleft}% Go to [[CMSTier3LogXX][previous page]] / [[CMSTier3LogXX][next page]] of Tier3 site log %M% ---+ 15. 01. 2011 Three breakdowns of t3ui01 in 2 days t3ui01 went for the second time into a hanging state. The SP was still working, but no relevant messages were in the SP logs. The remote logs on the central log server also did not show anything. Ganglia plots did not indicate any kind of load, either on CPUs or network. Also nothing on the console. t3ui01 had shown similar behavior in June last year (CMSTier3Log13) with logs pointing to a failed DIMM. But the node had kept working after a restart, so nothing was undertaken. Records show that a replacement of a DIMM on that machine already had happened in 2009 (q.v. [[SunHwContact#DIMM_error_on_t3ui01_case_nr_711][SUN support case entry]]). Before turning it on this time, I ran two hours of memory testing. No error was apparent. t3ui01 again broke down on 2011-01-25. Nothing in SP logs (also no sign of overheating - just nothing), SP thinks SYS is alive, ganglia shows no load at all, serial console is dead. LEDs in front and back are green. Also no reasons found in remote syslogs. -- Main.DerekFeichtinger - 2011-01-19 ---------------- %ICON{arrowleft}% Go to [[CMSTier3LogXX][previous page]] / [[CMSTier3LogXX][next page]] of Tier3 site log %M%
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Topic revision: r2 - 2011-01-25
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DerekFeichtinger
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