Dunno. Mine was a stab in the twilight. :) I'll wait for one of the UV gurus to weigh in.
-Keith ----Original Message---- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Michael Doyle Sent: Monday, December 05, 2005 1:27 PM To: [email protected] Subject: RE: [U2][UV] Aborted Shutdown > Mr. Roberts: > > uv.rc -stop is being run as root, however. Wouldn't it then be able > to unlock the semaphore? > > Thanks, > > Mike Doyle > > > > On Mon, 2005-12-05 at 11:01 -0800, Keith W. Roberts wrote: >> Just a thought ... are there any UV processes running as root? >> Perhaps uv.rc -stop doesn't stop those for some reason. >> >> I recall a discussion recently about someone always running such a >> process in case a user process running PORT.STATUS aborted, leaving >> the semaphore locked, in which case only a root (uvadm?) process can >> unlock it. >> >> -Keith >> >> ----Original Message---- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of >> [EMAIL PROTECTED] Sent: Monday, December 05, 2005 9:54 AM >> To: [email protected] >> Subject: Re: [U2][UV] Aborted Shutdown >> >>> Hi Michael, >>> >>> Hardly a guru, but fwiw I think the problem is likely to be a user >>> process that has not completely died. >>> >>> When Universe starts, it creates a shared memory segment for >>> its own use. >>> As users login, a shared memory segment is created for each >>> user. When the >>> user logs off, the shared memory segment is removed. Before >>> Universe shuts down, the script checks that there are no user >>> shared memory segments left. >>> >>> If you execute the command ipcs -mop | grep ace at the Unix >>> shell prompt, >>> it will list all the shared memory segments in use by >>> Universe. One of the >>> processes will be owned by root (or possibly uvadm), and the others >>> will be user processes. >>> >>> My guess is that a user is either still logged on when you do your >>> shutdown, or is somehow left in a partially logged off state. >>> Either way, the above command should identify the user concerned. >>> >>> hth, >>> >>> asvin. >>> >>> >>> >>> >>> Michael Doyle <[EMAIL PROTECTED]> >>> Subject >>> [U2][UV] Aborted Shutdown >>> >>> UniGurus: >>> >>> We shutdown UniVerse nightly to perform a full data backup >>> with a simple >>> "/etc/rc.d/init.d/uv.rc stop" command. Twice in the past week this >>> process has errored out with: >>> >>> Not all UniVerse processes were successfully terminated. >>> "1" process(es) still attached to main UniVerse memory segment >>> UniVerse has NOT been successfully terminated. >>> Aborting shutdown request >>> >>> Any ideas? RTFM yields nothing. I'm imagining that this might be a >>> shared-memory related problem. >>> >>> UniVerse 10.1 running on RHEL3. >> ------- >> u2-users mailing list >> [email protected] >> To unsubscribe please visit http://listserver.u2ug.org/ > ------- > u2-users mailing list > [email protected] > To unsubscribe please visit http://listserver.u2ug.org/ ------- u2-users mailing list [email protected] To unsubscribe please visit http://listserver.u2ug.org/
