Oracle-L: Re: RE: Shutdown Abort Damages Database!

From: Ray Stell <stellr_at_cns.vt.edu>
Date: Wed, 07 Aug 2002 16:09:21 -0800
Message-ID: <F001.004AE4DC.20020807160921@fatcity.com>

Sometimes you have to clean up the shared memory, ipcs will report what is hanging around, on solaris:

$ ipcs
IPC status from <running system> as of Wed Aug 7 18:59:38 EDT 2002 T ID KEY MODE OWNER GROUP Message Queues:
Shared Memory:
m 800 0xf6fd4134 --rw-r----- oracle oinstall Semaphores:

s    2293760   0xe11a1394 --ra-r-----   oracle oinstall
s     524289   0xe11a1395 --ra-r-----   oracle oinstall
s     524290   0xe11a1396 --ra-r-----   oracle oinstall

ipcrm can clean it up, in my experience:

ipcrm - remove a message queue, semaphore set, or shared

memory ID

for instance -s:

     -s semid
           Remove the semaphore identifier semid from the  system
           and  destroy  the set of semaphores and data structure
           associated with it.

On Wed, Aug 07, 2002 at 10:34:42AM -0800, Grabowy, Chris wrote:
> That's a MS "solution". He was asking for a real solution.
>
> -----Original Message-----
> Sent: Wednesday, August 07, 2002 12:31 PM
> To: Multiple recipients of list ORACLE-L
>
>
> You asked for instructions on how to clean up. I assumed you wanted the
> most
> foolproof and easy. I can't think of anything more foolproof and easy.
>
> Dick Goulet
>
> ____________________Reply Separator____________________
> Author: "Post; Ethan" <Ethan.Post_at_ps.net>
> Date: 8/7/2002 7:54 AM
>
> oracle>uptime
> 10:47AM up 157 days, 8:04, 3 users, load average: 1.30, 1.18, 0.83
>
> 157 days up and you want me to reboot! Never.
>
> Ethan Post
> perotdba (AIM), epost1 (Yahoo)
> --------------------------------------------------------------------
>
>
> -----Original Message-----
> Sent: Wednesday, August 07, 2002 9:03 AM
> To: Multiple recipients of list ORACLE-L
>
>
> reboot.
>
> ____________________Reply Separator____________________
> Author: "Post; Ethan" <Ethan.Post_at_ps.net>
> Date: 8/6/2002 2:08 PM
>
> OK, that was bait, I admit it.
>
> So we all know that shutdown abort doesn't damage the database. However, do
> we have to ever worry about any UNIX shared memory segments hanging out
> there? I know we do if we end up having to kill the background procs but is
> this ever a case with shutdown abort?
>
> Also does anyone have some good step by step instructions for cleaning up a
> UNIX box after you kill the background procs?
>

Ray Stell stellr_at_vt.edu (540) 231-4109 KE4TJC 28^D

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Author: Ray Stell
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Received on Wed Aug 07 2002 - 19:09:21 CDT