RE: Soka|Defag|Frequency

  • From: "Robert Lawson" <rlawson@xxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 9 May 2005 07:21:02 -0700

Hi Ripon,
 Your post was very useful and provided an easy way to "see" disk space gain 
you'd get with off line defrag.  I'll add this to our regular server 
review/audit.
 As new admins, we got jumpy on the point of off line defrag as our first 
attempts at it failed after 12+ hours on one of our primary mailbox stores.  
After reducing mailbox sizes, we were able to defrag this mbs. 
Thanks, Robert

________________________________

From: Ripon Bahl [mailto:ripon.bahl@xxxxxxxxx]
Sent: Sat 5/7/2005 1:21 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|Defag|Frequency


http://www.MSExchange.org/


Hi

 

I have been observing this mail thread from last three days. I would like to 
clear few points on Offline defrag. 

 

On daily basis exchange perform online defrag which manage the database to some 
extent but cannot release free whilte space. In order to release that white 
space you need to perform offline defragment. Now the question arises is when 
to do it. Well the best way to judge is to check for event id 1221 in the 
Exchange server application log which will give clear picture of white space in 
both private and public database. Based on that value you can do a planning of 
offline defragment. 

 

Hope this would clarify.

 

Regards

Ripon

 

________________________________

From: William Lefkovics [mailto:william@xxxxxxxxxxxxxxxxx] 
Sent: Thursday, May 05, 2005 12:30 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|Defag|Frequency

 

http://www.MSExchange.org/

Necessary?  Absolutely not.

 

 

________________________________

From: Pete Hartman [mailto:pdch@xxxxxxx] 
Sent: Wednesday, May 04, 2005 11:46 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|Defag|Frequency

http://www.MSExchange.org/

What if one archives a couple of gig of email. Is it necessary to do an 
off-line defrag?

 

Thanks!

 

________________________________

From: Michael B. Smith [mailto:michael@xxxxxxxxxx] 
Sent: Wednesday, May 04, 2005 9:08 AMui
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|Defag|Frequency

 

http://www.MSExchange.org/

That only applies to Standard Edition.

 

An Exchange administrator should be aware of that limit, and should plan for it.

 

If your organization needs more than 16 GB of mailbox storage - then you should 
buy it. Not defrag the database.

 

________________________________

From: P. Kay [mailto:pkay@xxxxxxxxxxxxxx] 
Sent: Wednesday, May 04, 2005 10:49 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|Defag|Frequency

http://www.MSExchange.org/

If you DON'T do an offline defrag (assuming you are using Exchange Standard, 
not Enterprise) Exchange will crash when it gets beyond 16GB limit.  I know 
because mine crashed.  We purchased PerfectDisk 7 for Exchange, which enables 
scheduling of offline defrags.

 

P. Kay Nuernberger

Systems Analyst/Exchange Administrator

City of Decatur - MIS Dept.

217-424-2754, Ext. 315

217-424-2770 - Fax

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