Soka|ESUtil|corrupted items

From: "Robert Lawson" <rlawson@xxxxxxxx>
To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
Date: Thu, 5 May 2005 07:18:24 -0700
When moving mailboxes we encounter "corrupted items", which we skip.  Will 
ESUtil show us these items in advance?  As new mail administrators, we're 
trying to make sure all data integrity problems have been flushed out.
Thanks, Robert

________________________________

From: Dan Klobnak [mailto:dan.klobnak@xxxxxxxxxxxxxxxxxxxxxxx]
Sent: Thu 5/5/2005 6:30 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|Defag|Frequency



http://www.MSExchange.org/

We recently had a 16 gig limit issue (yes, shame on me). While it was pretty 
easy to deal with, as we recognized the issue in advance and had structured a 
plan to mitigate, the walls came down (upper management did not want 
quotas...that mom-pop mentality not liking to be kicked into corporate 
structure. Guess who can implement quotas now?)
Anyway, we moved a lot of files from priv to pub. We do need to an offline 
defrag to clean up. This will be the first offline in 3 plus years.
Reading up on it the subject, it appears that offline defrag is really a 
one-two operation:
running eseutil followed by ISinteg...
quoting Goexchange.com, I thought this was a pretty good explaination:
"ESEutil checks and fixes individual database tables however it isn't concerned 
about the mail data contained in an ESE database. ESEutil's job is to examine 
the individual pages, check them for correctness by comparing a computed 
checksum against a checksum stored in the page header, and verify that each 
page's data is consistent.
ISinteg checks the mail data itself in an ESE database and fixes the links 
between tables"
or, put another way:
" Running ESEutil is like having a structural engineer check your house's 
foundation. The engineer doesn't care what's inside the house. The engineer 
cares only whether the underlying structure is sound. Running ISinteg is like 
having an interior decorator come inside your house to check the way you've 
laid out your furniture."

So, what is the consensus? IF one is forced to deal with an offline defrag, 
should both operations be run (it appears most settle for ESEutil.

I am planning on running these soon, after I migrate some more of my users and 
get some more mass deletes accomplished.

Thanks!

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Soka|ESUtil|corrupted items

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