Re: Database shut itself down

One correction: Oracle holds "shared" lock on the files, not "exclusive". If it'd be "exclusive" - hot backup would be impossible. Still, "shared" lock is enough to prevent from deleting, moving, or renaming file.

Igor Neyman, OCP DBA
ineyman_at_perceptron.com

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Tuesday, April 02, 2002 5:48 PM

> Hi Lisa
>
> Just check that the files owner is who you think it should be and check
> the permissions.
> A great thing NT Admins are god for is changing permissions in a directory
> at teh top of a tree and propagating it down with teh include
> subdirectories checkbox.
>
>
> the OS error Access denied says either you don't have permissions on the
> file or another process is holding a file lock on it. A reboot of teh
> server should clear that if you cant resolve it by other means
>
> Oh and you are right Oracle holds exclusive locks on the files at the OS
> level and as such if you try and move or delete them it won't happen
>
>
> Cheers
>
>
> --
> =================================================
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> "Koivu, Lisa" <lisa.koivu_at_efairfield.com>
> Sent by: root_at_fatcity.com
> 03/04/2002 07:38 AM
> Please respond to ORACLE-L
>
>
> To: Multiple recipients of list ORACLE-L
<ORACLE-L_at_fatcity.com>
> cc:
> Fax to:
> Subject: RE: Database shut itself down
>
>
> I thought you couldn't delete a database file in Windows when the database
> is up? I have tried and tried to no avail.
>
> Maybe this is a nice 'feature' but it doesn't leave much room for testing
> b&r
>
> Lisa Koivu
> Oracle Database Brick House - 36-54-36
> Fairfield Resorts, Inc.
> 954-935-4117
>
>
> > -----Original Message-----
> > From: John Hallas [SMTP:john.hallas_at_hcresources.co.uk]
> > Sent: Tuesday, April 02, 2002 3:53 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Re: Database shut itself down
> >
> > Sorry to be the bearer of bad news
> > That normally happens when someone has deleted the file by mistake.
> >
> > Other suggestions could be that it was being archived or locked by some
> > other process which inhibited Oracle from updating the file.
> >
> > Has the database restarted OK.
> >
> > HTH
> >
> > John
> >
> > -----Original Message-----
> > Dave
> > Sent: 02 April 2002 20:03
> > To: Multiple recipients of list ORACLE-L
> >
> > I have a 8.1.7 database running on NT 4.0 that had a problem this
> morning
> > and shut itself down. In the <SID>Alert.log I have the following error.
> >
> > Tue Apr 02 10:47:40 2002
> > KCF: write/open error block=0x21de online=1
> > file=10 J:\ORANT\ORADATA\TDISPACH\DISDATA01_01.DBF
> > error=27072 txt: 'OSD-04008: WriteFile() failure, unable to write
> to
> > file
> > O/S-Error: (OS 5) Access is denied.'
> > DBW0: terminating instance due to error 1242
> > Instance terminated by DBW0, pid = 287
> >
> >
> > This is a new for me. Any ideas what I am dealing with?
> >
> > Thanks,
> >
> > Dave
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.com
> > --
> > Author: Farnsworth, Dave
> > INET: DFarnsworth_at_Ashleyfurniture.com
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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