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04-09-2008, 09:19 AM
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 Re: hard shutdown of system hi, yah i took this script only and built upon that the problem is that the statement "pidof postmaster" will return some valu even if ps -aef | grep postmaster does not return anything if i do kill -9 <process id of postmaster? and i do pidof postmaster, some machines it will show nothing and on some machines it still shows some value, althou ps -aef | grep postmaster does not display anything. so in such machines i ll have to check for both, pidof as well as ps -aef | grep postmaster. is this ok? ________________________________ From: chris smith [mailto:dmagick@gmail.com] Sent: Mon 4/17/2006 1:14 PM To: surabhi.ahuja Cc: pgsql-general@postgresql.org Subject: Re: [GENERAL] hard shutdown of system *********************** Your mail has been scanned by InterScan VirusWall. ***********-*********** On 4/17/06, surabhi.ahuja <surabhi.ahuja@iiitb.ac.in> wrote: > > the user tries to do kill -9 -1 and log in again > > in the startup script i do the following > > /sbin/pidof -s postmaster > > and it still displays some value, > > however ps -aef | grep postmaster does not display anything > > is it ok if i do the following > pid1=`/sbin/pidof -s postmaster` > pid2=`ps -eaf | grep postmaster | grep -v grep | tail -1 | awk '{print > $2}'` > > if ($pid1 and $pid2) > => postmaster is already running > > otherwise > > i check if postmaster.pid exists > if it does, i delete it > and then start postmaster by doing $PGCTL -l $POSTGRES_LOG -D $PGDATA -p > $POSTMASTER -o '-p ${PGPORT}' start > /dev/null 2>&1 Check out the startup script. Depending on what system you are running, this might already all be taken care of. Here's a mandrake example (I think the redhat version is pretty similar). http://techdocs.postgresql.org/scrip...rake72-startup -- Postgresql & php tutorials http://www.designmagick.com/      |
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