No, both online and offline defrag do more than only recover white space. Just like your hard drive defragger they put the bits back together so that they are contiguous data chunks and thus can be retrieved faster. The only difference between online and offline defrag is that offline moves the EOF returning the white space to the file system.
----- Original Message ----- From: "Tony Hlabse" <[EMAIL PROTECTED]> To: "Exchange Discussions" <[EMAIL PROTECTED]> Sent: Sunday, February 03, 2002 1:33 PM Subject: Re: IS Offline defrag- Mystery > All you do is recover white space. I guess if space is that critical for > what ever reason, I would have to do it on a regular basis. Sounds like a > resource strained server. e.i. No money > ----- Original Message ----- > From: "Daniel Chenault" <[EMAIL PROTECTED]> > To: "Exchange Discussions" <[EMAIL PROTECTED]> > Sent: Sunday, February 03, 2002 2:14 PM > Subject: Re: IS Offline defrag- Mystery > > > > Uh.... offline compaction does just fine without online compaction ever > > successfully completing. It just takes longer. > > > > ----- Original Message ----- > > From: "Exchange" <[EMAIL PROTECTED]> > > To: "Exchange Discussions" <[EMAIL PROTECTED]> > > Sent: Sunday, February 03, 2002 10:09 AM > > Subject: RE: IS Offline defrag- Mystery > > > > > > If online maintenance does not have a chance to defrag the white space, > > offline compaction will not be very effective (as you've witnessed). > > Give the online maintenance a chance run, then try it again. Your > > results should be better (they were for me). > > > > -Per > > > > -----Original Message----- > > From: naveen [mailto:[EMAIL PROTECTED]] > > Posted At: Saturday, February 02, 2002 6:02 PM > > Posted To: Exchange > > Conversation: IS Offline defrag- Mystery > > Subject: IS Offline defrag- Mystery > > > > Hi, > > After cleanning up 2 GB of mails from a database of 7.7 GB(through > > Outlook 2000)and defrag the IS-PRIV offline ,we could only recover upto > > 500 MB.Last time(4 months ago) when we did similar excercise we could > > recover upto 2GB of space from 6.2 GB database. > > > > We are running Exchange 5.5 (Standard Edition) with SP4 on Win2K > > Retention Period is 15 days. > > > > Can anyone help us in solving this mystery. > > > > thanks in advance > > > > naveen > > > > Systems Engineer > > CxkNetworks Ltd > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > > > _________________________________________________________________ > > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > > Archives: http://www.swynk.com/sitesearch/search.asp > > To unsubscribe: mailto:[EMAIL PROTECTED] > > Exchange List admin: [EMAIL PROTECTED] > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Archives: http://www.swynk.com/sitesearch/search.asp > To unsubscribe: mailto:[EMAIL PROTECTED] > Exchange List admin: [EMAIL PROTECTED] > _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Archives: http://www.swynk.com/sitesearch/search.asp To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
