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Can I change the process priority for eseutil.exe for Exchange to high to speed up the process?

Posted on 2013-05-27
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Last Modified: 2013-05-31
We are repairing corruption in our information store. It is about 110GB. The server is a PowerEdge T410 with 32GB of RAM with dual quad core cpu's.

Will setting the process priority in task manager from normal to high speed up the repair process? It has been at deleteing Unicode fixup table for 4+ hours. There is still about 16 hours left till the users come into work tomorrow. I need to run the eseutil /d and isinteg too before they come in tomorrow morning.

Question is: now that eseutil is running, will changing the process priority for eseutil.exe in the task manager from normal to high help speed up the process?

Thanks
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Question by:AcesStraights
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Author Comment

by:AcesStraights
ID: 39199874
I uploaded a screen shot of the eseutil command prompt.

It is running and not paused because the I/o reads & writes in the task manager are going up for the eseutil.exe process.
CaptureEseutil.JPG
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Expert Comment

by:Manpreet SIngh Khatra
ID: 39199903
Question is: now that eseutil is running, will changing the process priority for eseutil.exe in the task manager from normal to high help speed up the process? - I dont think it would be much helpful but can always bump up for hope it does the process faster and yes if the Read\Write I\O is increasing then its all good

What is the Exchange version just trying to understand why did we need Repair if in case we had an option to create new Database and move mailboxes across

- Rancy
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Author Comment

by:AcesStraights
ID: 39199905
Exchange 2007

Corrupted database and backup stopped backing up Exchange from bad checksums. I just noticed it Friday doing maintenance on the server.
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Author Comment

by:AcesStraights
ID: 39199910
Will setting it to high cause eseutil.exe to not operate correctly?
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Expert Comment

by:Manpreet SIngh Khatra
ID: 39199912
If its Exchange 2007 you should have simply if not used all 5 Databases created a new Database and move mailboxes compared to this not much recommended process as i always see it

- Rancy
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Author Comment

by:AcesStraights
ID: 39199917
I have an offline backup of the Exchange folder prior to starting the eseutil.exe tools. That backup will mount, but it has issues. I noticed through reading I can do what you suggested, but am just looking for a way to speed up the current process.
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Expert Comment

by:Manpreet SIngh Khatra
ID: 39199918
Nothing as such but sometimes due to the process running already so much it might not change so i would have left and given it a shot and once Repair done plan for new Database and move mailboxes with a plan and not go for Defrag and ISINTEG as they would also consume a lot of time and with Repaired database in Production i am not too comfortable

- Rancy
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Expert Comment

by:Manpreet SIngh Khatra
ID: 39199920
To speed up thats an option but no one can surely tell you if that will definately speedup the process :(

Rest i still will suggest while Repair is going on plan for PlanB mount and create new DB and move mailbox will be done in less time and many users will work freely compared to Repaired database can still give users a lot of hicups.

- Rancy
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Author Comment

by:AcesStraights
ID: 39199943
I will plan on moving forth with a new DB down the road.

For now, you suggest to skip the /d & isinteg and just mount the information store once it's done to get the users back on?
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Author Comment

by:AcesStraights
ID: 39199948
I will be sure to run the /mh to make sure the DB is fine once the /p finishes.

I have found the /d does take a very long time, but the isinteg is usually quite fast. Should I just skip the /d and do the isinteg?
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Expert Comment

by:Manpreet SIngh Khatra
ID: 39199961
For now, you suggest to skip the /d & isinteg and just mount the information store once it's done to get the users back on? - If we have less time then yes as Defrag will be similar time as Repair and ISINTEG might need to be run 3 times to clear Errors and warnings if any that remain

/mh will only tell you if Database is clean or Dirty thats the max we run it to check with few other details

You can but i heavnt seen anyone do a ISINTEG after Repair but its logical what your saying

- Rancy
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Author Comment

by:AcesStraights
ID: 39199974
Some sites say you have to run /d after /p. Then you have to run isinteg after the /d.

It said: Repair may leave index and space allocation problems in the database. Along with compacting the physical size of the file as much as possible, defragmentation also throws away and rebuilds the indexes and space trees (structures that track space in the database).

Have you ever ran /p and skipped /d and went straight to running isinteg? Only suggesting because of a time issue before the users will be back.
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Accepted Solution

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Manpreet SIngh Khatra earned 500 total points
ID: 39200090
Nopes as it says /d also re structures the Logical pointers in the B-Tree or database page structures and yes very much necessary to keep a DB healthy after Repair but our only concern is the time it might overall take and users dont get affected

- Rancy
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