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Incomplete recovery [message #493870] Thu, 10 February 2011 04:59 Go to next message
sekar52
Messages: 141
Registered: May 2010
Location: Mumbai
Senior Member
Hi consider a situation in which I take hot backup of database at 10:00 am.After taking the hot backup 50 archived logs are created.Out of 50 i have backed up first 25 of them and at 5:00pm i lose complete database including control,data and the last 25 archived log files that were not backed up.So I am using latest hot backup to recover..
I restore the control file backup and datafile backup taken during ho tbackup(10 am) and i issue the command
.......startup mount
>>>>>>>Recover database until cancel
!!!!!!! Apply the available 25 archive logs
then i give "cancel" since I dont have the next redo log .
Now in which mode will the database open(Reset logs or no reset logs)
Why????/

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Re: Incomplete recovery [message #493873 is a reply to message #493870] Thu, 10 February 2011 05:02 Go to previous messageGo to next message
knight
Messages: 111
Registered: January 2009
Senior Member
resetlogs is required in case of incomplete media recovery

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Re: Incomplete recovery [message #493875 is a reply to message #493873] Thu, 10 February 2011 05:08 Go to previous messageGo to next message
Michel Cadot
Messages: 68776
Registered: March 2007
Location: Saint-Maur, France, https...
Senior Member
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In addition.Why? Because what's inside the current log is irrelevant regarding what you recover as you stop the recovery before them.

Regards
Michel

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Re: Incomplete recovery [message #493876 is a reply to message #493873] Thu, 10 February 2011 05:08 Go to previous messageGo to next message
sekar52
Messages: 141
Registered: May 2010
Location: Mumbai
Senior Member
Do you categorize this as incomplete recovery even if I use the control which was taken during hot backup(10 am) for recovery and didnt specify "using backup control file" during recovery????????

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Re: Incomplete recovery [message #493878 is a reply to message #493875] Thu, 10 February 2011 05:10 Go to previous messageGo to next message
sekar52
Messages: 141
Registered: May 2010
Location: Mumbai
Senior Member
@michel
So do you mean we can open this case in noresetlogs

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Re: Incomplete recovery [message #493879 is a reply to message #493878] Thu, 10 February 2011 05:12 Go to previous messageGo to next message
knight
Messages: 111
Registered: January 2009
Senior Member
http://www.orafaq.com/wiki/Incomplete_Media_Recovery

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Re: Incomplete recovery [message #493881 is a reply to message #493878] Thu, 10 February 2011 05:14 Go to previous message
Michel Cadot
Messages: 68776
Registered: March 2007
Location: Saint-Maur, France, https...
Senior Member
Account Moderator
No, I only add to knight's answer; my answer includes his.

Incomplete recovery means you don't completly recover the database, that is you don't apply all archived and current logs which is the meaning of "cancel".

Regards
Michel

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