Re: reply those log files after the lastest full backup

From: Michael Abbaticchio[MVP] (nospam_at_abbaticchio.com)
Date: 08/18/04 

Date: Tue, 17 Aug 2004 23:47:44 -0400

Backup software usually has a restore option to use existing logs (point of
failure) or to overwrite existing logs, with those backed up (point in time
restore). 

-- 
regards,
Michael Abbaticchio
MVP for Exchange Server
http://exchange.mvps.org
"Patrick" <Patrick@discussions.microsoft.com> wrote in message 
news:9060000D-58A2-4776-8B75-CC055C18F5CE@microsoft.com...
> Thanks for your info, Michael:
>
> I'm not meaning to touch any log files in the temp folder during restore.
>
> I can successful restore anything from the last backup.
> My concern is, after a full backup, all log files will commit to database.
> After backup, there are a lot of incoming and outgoing mail then new log
> files will be generated that those are not in the last backup. If the 
> server
> crash now, I want to replay also those new log files.
>
> I'm testing the case to restore full computer set, restore the information
> store and replay those new log files. (assume I can access those new log
> files)
>
> I've read the ex2k3 DR gudie, that I need to ensue those new log files are
> in the MDBDATA folder, the restore procedure will replay the log files in 
> the
> temp folder first then replay new log files in MDBDATA folder if found 
> any.
>
> My question is I found the following log files in the MDBDATA folder 
> (after
> server crash):
> 1. E00.log
> 2. E0000002.LOG
> 3. E0000003.LOG
> 4. res1.log
> 5. res2.log
>
> Which files should I keep in the MDBDATA folder to make the retore process
> do the replay process also after replied log files in Temp folder.
>
> Thanks a lot.
>
> Patrick
>
>
>
>
>
>
>
>
>
>
> "Michael Abbaticchio[MVP]" wrote:
>
>> Don't move any log files.  An online restore automatically handles this.
>> The log files are part of the backup, and are put in a temp folder, and a
>> restore.env file is generated which contains information about the 
>> recovery
>> steps.  Remember that a storage groups shares a common set of transaction
>> logs, so manually overwriting logs, can very well harm other db's which 
>> are
>> members of the SG.  Read the Microsoft DR documents for more detailed
>> information.
>>
>> -- 
>>
>> regards,
>> Michael Abbaticchio
>> MVP for Exchange Server
>> http://exchange.mvps.org
>>
>>
>> "Patrick" <Patrick@discussions.microsoft.com> wrote in message
>> news:D7AEBEC8-806B-4541-A299-BA7D7685E749@microsoft.com...
>> > Michael,
>> >
>> > Thanks for your reply.
>> >
>> > I'm testing to replay those log files generated after backup. I found 
>> > the
>> > following log files in the MDFDATA  directory:
>> >
>> > 1. E00.log
>> > 2. E0000002.LOG
>> > 3. E0000003.LOG
>> > 4. res1.log
>> > 5. res2.log
>> >
>> > Which files exactly that I need to put back to MDBDATA directory to let 
>> > it
>> > to do the replay process?
>> >
>> > I've tested the following cases that also can replay those log fiels:
>> > - put 1 to 5 back to that directory.
>> > - put 1 to 3 back to that directory.
>> > - put 2 and 3 to that directory.
>> >
>> > Please advice.
>> >
>> > Thanks a lot
>> >
>> > Patrick
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > "Michael Abbaticchio[MVP]" wrote:
>> >
>> >> The logs will play when you mount the store, if the restore was
>> >> successful,
>> >> and you chose "last restore set" as a restore option.
>> >>
>> >> If you did not, here is how to force a hard recovery.
>> >> eseutil /cc /t
>> >>
>> >> The /t switch defines the storage group in which log file replay
>> >> continues
>> >> after logs in the temporary folder have been replayed. -- 
>> >>
>> >> regards,
>> >> Michael Abbaticchio
>> >> MVP for Exchange Server
>> >> http://exchange.mvps.org
>> >>
>> >>
>> >>
>> >> "Patrick" <Patrick@discussions.microsoft.com> wrote in message
>> >> news:7BC607A6-57E4-4254-9CC2-0494BD4BB688@microsoft.com...
>> >> > Dear all,
>> >> >
>> >> > I'm practicing the DR procedure of Exchange 2k3.
>> >> >
>> >> > I can restore Exchange 2k3 to the state of latest full backup.
>> >> > If the full backup did on midnight 5:00am then the server crash on
>> >> > 11:00am
>> >> > same day. There are a lot of mail between 5:00am to 11:00am and not
>> >> > updated
>> >> > to Information Store.
>> >> >
>> >> > How can I replay those log files and make the Information Store most
>> >> > update?
>> >> >
>> >> > Thanks!
>> >> >
>> >> > Patrick
>> >>
>> >>
>> >>
>>
>>
>>

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