Message-Id: <10584.114187@fatcity.com> From: Siva_Chintalapati Date: Wed, 9 Aug 2000 21:38:04 +0530 Subject: RE: control file parallel write This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C0021C.01C5AC10 Content-Type: text/plain Hi, Waht is Thread Instance Lock.What is the syntax. Regards Siva > ---------- > From: Steve Adams[SMTP:steve.adams@ixora.com.au] > Reply To: ORACLE-L@fatcity.com > Sent: Monday, August 07, 2000 2:13 PM > To: Multiple recipients of list ORACLE-L > Subject: RE: control file parallel write > > Hi Rajiv, > > The thread instance lock (which corresponds to the RT enqueue) is used > to detect instance death, whereas the checkpoint heartbeat that we have > been talking about here is used to detect a "split brain" - that is, two > instances having the database open but one or more of them being > ignorant of the existence of the other. > > I hope that's what you were asking ... > Regards, > Steve Adams > http://www.ixora.com.au/ > http://www.oreilly.com/catalog/orinternals/ > http://www.christianity.net.au/ > > > -----Original Message----- > Sent: Monday, 7 August 2000 16:55 > To: Multiple recipients of list ORACLE-L > > > > > Can somebody tell me what is a lock on a thread by an instance. > Rajiv > -- > Author: Rajiv Gangadharan > INET: Rajiv.Gangadharan@alltel.com > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing Lists > -------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > > -- > Author: Steve Adams > INET: steve.adams@ixora.com.au > > Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 > San Diego, California -- Public Internet access / Mailing Lists > -------------------------------------------------------------------- > To REMOVE yourself from this mailing list, send an E-Mail message > to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in > the message BODY, include a line containing: UNSUB ORACLE-L > (or the name of mailing list you want to be removed from). You may > also send the HELP command for other information (like subscribing). > ------_=_NextPart_001_01C0021C.01C5AC10 Content-Type: text/html Content-Transfer-Encoding: quoted-printable RE: control file parallel write

Hi,
Waht is Thread = Instance Lock.What is the syntax.

Regards
Siva