Habit. The "sync" command is picked up by the scheduler
"sched" and may not be executed immediately.
With three "sync" calls, at least one goes through by the time
you are ready to type in "shutdown" or "init
0"
Hemant
At 08:04 AM 21-08-03 -0800, you wrote:
Hi!
I've always wondered why 3 syncs. Is it
quaranteed, that after *exactly 3* syncs everything has been written to
disk? Or it more like that after that number of syncs, most of the
changes should be on disk? (sounds stupid)
Tanel.
- ----- Original Message -----
- From: Tim Gorman
- To: Multiple recipients of
list ORACLE-L
- Sent: Thursday, August 21, 2003 12:04 AM
- Subject: Re: URGENT!!! My 9i databases are not shutting down
cleanly/cons
- I’d suggest throwing a couple ALTER SYSTEM CHECKPOINT commands just
prior to the SHUTDOWN ABORT, to help speed up the subsequent STARTUP (and
just to make me feel better)...
- Does anyone remember the UNIX mantra of entering “sync; sync; sync”
before “halt”? :-)
- on 8/20/03 11:09 AM, April Wells at
awells@csedge.com wrote:
- We have started waiting 90 min then do shutdown abort, startup,
shutdown
immediate
- April Wells
- Oracle DBA/Oracle Apps DBA
- Corporate Systems
- Amarillo Texas
- Few people really enjoy the simple pleasure of flying a kite
- Adam Wells age 11
- -----Original Message-----
- From: Paula_Stankus@doh.state.fl.us [mailto:Paula_Stankus@doh.state.fl.us]
- Sent: Wednesday, August 20, 2003 12:54 PM
- To: Multiple recipients of list ORACLE-L
- Subject: RE: URGENT!!! My 9i databases are not shutting down cleanly/cons
- Which brings up that thread of - if they are hard to shutdown and possibly going to crash anyway then ..... why not just wait some period of time and do the old shutdown abort.
- -----Original Message-----
- From: April Wells [mailto:awells@csedge.com]
- Sent: Wednesday, August 20, 2003 1:00 PM
- To: Multiple recipients of list ORACLE-L
- Subject: RE: URGENT!!! My 9i databases are not shutting down cleanly/cons
- We do, Paula... both in 9.0.1.3 and 9.2.0.2 we have trouble getting them to shutdown elegantly... and they sometimes crash
- April Wells
- Oracle DBA/Oracle Apps DBA
- Corporate Systems
- Amarillo Texas
- Few people really enjoy the simple pleasure of flying a kite
- Adam Wells age 11
- -----Original Message-----
- From: Paula_Stankus@doh.state.fl.us [mailto:Paula_Stankus@doh.state.fl.us]
- Sent: Wednesday, August 20, 2003 11:50 AM
- To: Multiple recipients of list ORACLE-L
- Subject: RE: URGENT!!! My 9i databases are not shutting down cleanly/cons
- BTW, nothing happening in terms of processes that would hang-up the system. Also, I have check alert and trace files and there are no obvious errors.
- -----Original Message-----
- From: Paula_Stankus@doh.state.fl.us [mailto:Paula_Stankus@doh.state.fl.us]
- Sent: Wednesday, August 20, 2003 12:25 PM
- To: Multiple recipients of list ORACLE-L
- Subject: RE: URGENT!!! My 9i databases are not shutting down cleanly/cons
- There seems to be a problem with consistent shutdowns in 9i
- Oracle 9i 64bit
- 9.0.1.3.0 - infrastructure database that comes with the application server
- 9.2.0.1.0 - that is the version of RDBMS we are running.
- Does anyone have problems shutting down their databases consistently with 9i?????
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