Exchange defrag

Deathwish

Deathwish

Deathwish

Soldato
Joined
17 Oct 2002
Posts
2,956
Location
Cold Scotland :(
Hi guys,

Just wondering what other people do in terms of offline defrags on Exchange. Do you have a set maintenance schedule, or do them ad-hock?

Ta!
 
Hmm, interesting! We had usually managed to do one offline defrag per year as we had been told this was the done thing. Time to re-evaluate!

Cheers
 
I think our practise of defragging started in 5.5, before my time :)

Now that I am handling the migration to 2007 I think it is time to re-write our maintenance schedules and practices.
 
With Exchange the general answer is if it ain't broke don't fix it...doing anything to the datastores is asking for trouble.
 
J1nxy said:
With Exchange the general answer is if it ain't broke don't fix it...doing anything to the datastores is asking for trouble.
Click to expand...

+1

Also, with larger stores taking HOURS to complete you are talking big downtime.

Only time I run them is when I want to claw back whitespace in the stores after mailbox management.
 
Last edited:
Sin_Chase said:
+1

Also, with larger stores taking HOURS to complete you are talking big downtime.

Only time I run them is when I want to claw back whitespace in the stores after mailbox management.
Click to expand...

That's the only reason I've came across to warrant an offline defrag.
 
Ive only even had too perform an offline defrag on the private information store a couple of times, mainly due to the fact that the disk subsystem hadnt been specified properly and performance was taking a hit, but these stores were still in the 100Gb+ region. A more effective way of managing exchange is to use multiple storage groups and keep each store to a more manageable size ~25Gb.
 
Curiosityx said:
Ive only even had too perform an offline defrag on the private information store a couple of times, mainly due to the fact that the disk subsystem hadnt been specified properly and performance was taking a hit, but these stores were still in the 100Gb+ region. A more effective way of managing exchange is to use multiple storage groups and keep each store to a more manageable size ~25Gb.
Click to expand...

need enterpise edition though. We have a 60gb mail store and it is a bitch to do maintenance on.
 
Thanks for the feedback guys! We have yet to migrate any users to 2007 but our existing 2003 server has a single DB at 100Gb, makes me cry :(
 
Deathwish said:
Thanks for the feedback guys! We have yet to migrate any users to 2007 but our existing 2003 server has a single DB at 100Gb, makes me cry :(
Click to expand...

Definitely split that down into smaller SGs

Just finishing off our 2003 -> 2007 migration, gonna start decomissioning 2003 on Monday.
 
Ex2007 is a geo-clustered CCR in our existing domain setup. Going to be migrating users over in the next few weeks. I have split the database up into 8 (with 8 SGs). Much better :)
 
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