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RE: alert log entries not sequential

From: Adams, Matthew (GE Consumer & Industrial) <MATT.ADAMS_at_GE.COM>
Date: Wed, 25 Aug 2004 09:17:14 -0400
Message-ID: <9E0E38DB4ACFAA4593AD6C4A45C9D5F003C5C9D6@LOUMLVEM01.e2k.ad.ge.com> 





No idea at all.  We do know for a certainty=20
that the Veritas Cluster went "split brain"
(i love that term our sysop came up with)
and both sides of the cluster thought it owned
the package in question and both sides mounted,
opened and wrote to the database files.



But since the clocks are in-sync I cannot come=20
with a reason that the timestamps on the alert logs
would be so out of order, even with both sides
writing to it.





Matt Adams - GE Appliances - matt.adams_at_appl.ge.com
"The swim only hurt once - from the beginning
to the end" - Doc Counsilman on swimming the
English Channel at age 58



-----Original Message-----



From: oracle-l-bounce_at_freelists.org


[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Mercadante, Thomas F
Sent: Wednesday, August 25, 2004 9:12 AM
To: 'oracle-l_at_freelists.org'


Subject: RE: alert log entries not sequential




Matt,



Just curious - what do you think it is?



Tom Mercadante


Oracle Certified Professional




-----Original Message-----



From: Adams, Matthew (GE Consumer & Industrial) =
[mailto:MATT.ADAMS_at_GE.COM]=20


Sent: Wednesday, August 25, 2004 9:05 AM
To: oracle-l_at_freelists.org


Subject: RE: alert log entries not sequential




I'm pretty sure the reason that it didn't=3D20
work had nothing to do with the clocks.







Matt Adams - GE Appliances - matt.adams_at_appl.ge.com
"The swim only hurt once - from the beginning
to the end" - Doc Counsilman on swimming the
English Channel at age 58



-----Original Message-----



From: oracle-l-bounce_at_freelists.org =


[mailto:oracle-l-bounce_at_freelists.org]On
Behalf Of Wolfson Larry - lwolfs


Sent: Tuesday, August 24, 2004 8:48 PM


To: 'oracle-l_at_freelists.org'


Subject: RE: alert log entries not sequential




Matt,


        But it didn't work did it?



        Larry



"This is a veritas cluster (non-RAC/OPS) on solaris 8 with oracle =3D =
8.1.7.4


that failed over from one node to another because the network =
connectivity


between =3D the two nodes failed.  Multiple times."



-----Original Message-----



From: oracle-l-bounce_at_freelists.org =


[mailto:oracle-l-bounce_at_freelists.org]On
Behalf Of Adams, Matthew (GE Consumer & Industrial)
Sent: Monday, August 23, 2004 1:08 PM


To: oracle-l_at_freelists.org


Subject: RE: alert log entries not sequential




Sent a reply earlier.  Didn't see it come through. =3D3D20
Maybe it will someday.



Yes, both systems are sync'ed.  The pretty much have=3D3D20
to be for Veritas clustering to work.



Matt





Matt Adams - GE Appliances - matt.adams_at_appl.ge.com
If C gives you engouth rope to hang yourself, then C++ gives you enough =
rope


to hang yourself, your dog, your co-workers, and everyone in your
neighborhood.



-----Original Message-----



From: oracle-l-bounce_at_freelists.org =


[mailto:oracle-l-bounce_at_freelists.org]On
Behalf Of Mercadante, Thomas F


Sent: Monday, August 23, 2004 2:03 PM


To: 'oracle-l_at_freelists.org'


Subject: RE: alert log entries not sequential




Matt,



So the first question still applies.  Do the two machines have the same
timestamp?  Wolfgang & I are guessing that they do not match.



Tom Mercadante


Oracle Certified Professional




-----Original Message-----



From: Adams, Matthew (GE Consumer & Industrial) =3D3D
[mailto:MATT.ADAMS_at_GE.COM]=3D3D20


Sent: Monday, August 23, 2004 1:58 PM


To: oracle-l_at_freelists.org


Subject: RE: alert log entries not sequential




Sorry, I should have explained a little better.



This is a veritas cluster (non-RAC/OPS) on solaris 8
with oracle 8.1.7.4  that failed


over from one node to another because the network=3D3D3D20 connectivity =
=3D =3D3D


between the two nodes failed.  Multiple times.






Matt Adams - GE Appliances - matt.adams_at_appl.ge.com
If C gives you engouth rope to hang yourself, then C++ gives you enough =
=3D


=3D3D rope to hang yourself, your dog, your co-workers, and everyone in =
your


neighborhood.



-----Original Message-----



From: oracle-l-bounce_at_freelists.org =3D3D
[mailto:oracle-l-bounce_at_freelists.org]On
Behalf Of Mercadante, Thomas F


Sent: Monday, August 23, 2004 1:53 PM


To: 'oracle-l_at_freelists.org'


Subject: RE: alert log entries not sequential




That's what I was thinking of, but I was not sure if Matt's thread was
dealing with RAC (two servers) or not.



Tom Mercadante


Oracle Certified Professional




-----Original Message-----



From: Wolfgang Breitling [mailto:breitliw_at_centrexcc.com]=3D3D3D20
Sent: Monday, August 23, 2004 1:42 PM


To: oracle-l_at_freelists.org; Adams, Matthew (GE Consumer & Industrial)
Subject: Re: alert log entries not sequential




Are the clocks on the two servers in sync?
Quoting "Adams, Matthew (GE Consumer & Industrial)" <MATT.ADAMS_at_GE.COM>:



> Database opened normally at 2:15:25


> Entries show a shutdown abort at 2:32:14, when the veritas =3D3D
cluster=3D3D3D20 =3D3D20


>failed over to the other node, but a few lines later, it's =3D3D
reported=3D3D3D20 =3D3D20


>tablespaces were put into backup mode at 2:18:15 =3D3D3D20  Anybody =
know=20


>what might account for this fact?



--=3D3D3D20


regards



Wolfgang Breitling


Oracle 7,8,8i,9i OCP DBA


Centrex Consulting Corporation


www.centrexcc.com





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Received on Wed Aug 25 2004 - 08:13:46 CDT












Original text of this message













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