RE: control file parallel write

From: Siva_Chintalapati <Siva_Chintalapati_at_satyam.com>
Date: Wed, 9 Aug 2000 21:38:04 +0530
Message-Id: <10584.114187@fatcity.com>

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

Regards
Siva

> ----------
> From: Steve Adams[SMTP:steve.adams_at_ixora.com.au]
> Reply To: ORACLE-L_at_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_at_alltel.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
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>
> --
> Author: Steve Adams
> INET: steve.adams_at_ixora.com.au
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
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Hi, Waht is Thread = Instance Lock.What is the syntax.

<P><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial">Regards</FONT>
<BR><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial">Siva</FONT>
</P>
<UL>
<P><FONT SIZE=3D1 FACE=3D"MS Sans Serif">----------</FONT>
<BR><B><FONT SIZE=3D1 FACE=3D"MS Sans Serif">From:</FONT></B> &nbsp; =
<FONT SIZE=3D1 FACE=3D"MS Sans Serif">Steve =

Adams[SMTP:steve.adams_at_ixora.com.au] Reply To: =       ORACLE-L_at_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 = ...

<BR><FONT SIZE=3D2 FACE=3D"Arial">Regards,</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Steve Adams</FONT>
<BR><U><FONT COLOR=3D"#0000FF" SIZE=3D2 FACE=3D"Arial"><A =

HREF=3D"http://www.ixora.com.au/" =
TARGET=3D"_blank">http://www.ixora.com.au/</A> <A = HREF=3D"http://www.oreilly.com/catalog/orinternals/" = TARGET=3D"_blank">http://www.oreilly.com/catalog/orinternals/</A>= 
 <A = HREF=3D"http://www.christianity.net.au/" = TARGET=3D"_blank">http://www.christianity.net.au/</A>

-----Original Message----- Sent: Monday, 7 August 2000 = 16:55
 To: Multiple recipients of list = ORACLE-L

</P>
<BR>
<BR>
<BR>

= Can somebody tell me what is a lock on a thread by an instance.        = Rajiv

<BR><FONT SIZE=3D2 FACE=3D"Arial">--</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Author: Rajiv Gangadharan</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">&nbsp; INET: =

Rajiv.Gangadharan_at_alltel.com

Fat City Network = Services    -- (858) 538-5051  FAX: (858) = 538-5051
 San Diego, = California        -- Public Internet = access / Mailing Lists
 <FONT SIZE=3D2 =

FACE=3D"Arial">---------------------------------------------------------=

-----------
 To REMOVE yourself from this mailing = list, send an E-Mail message
 to: ListGuru_at_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).

<P><FONT SIZE=3D2 FACE=3D"Arial">-- </FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Author: Steve Adams</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">&nbsp; INET: =

steve.adams_at_ixora.com.au

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