Re: Design - Exchange Organization
- From: "Dev" <devendrait@xxxxxxxxx>
- Date: 30 Nov 2006 03:25:53 -0800
Hi Mark, I am sorry that by mistake I mentioned your name in my reply.
But I am happy to see your response. I have one question Even I am
moving the mailboxes its showing the same space and after moving all
mailbox its showing the same size like previous store is showing. Even
I told user to delete old mails then also the store size is same. I
discussed with some administrator and the suggested me for the offline
defragmentation. What you will suggest for this issue.
Mark Arnold [MVP] wrote:
It's not me asking the question. Whilst you're factually correct in
that you need 110% free space to do an eseutil you're not correct in
terms of business sense. You should never really need to do a defrag
on a properly managed system and never ever if you're running
Enterprise edition since you should never be in a position that gives
you so much white space. Simply moving the mailboxes and deleting the
store would be the most user-friendly solution.
If you ever get the urge to run the defrag you will need to do it on a
different area so bringing up a temporary LUN from the SAN would be
the way to go.
On 30 Nov 2006 02:36:51 -0800, "Dev" <devendrait@xxxxxxxxx> wrote:
Hi Mark, Key Point you have to keep in mind is about the storage area.
As you know for the Exchange server defragmentation 110% space of
database size should be free. Another thing you have to keep in mind
that as per user importance you assign different storage group so that
if any storage group database got prob it will not affect whole users.
Mark Arnold [MVP] wrote:
On 29 Nov 2006 00:45:33 -0800, "Fazal" <fazal.shah@xxxxxxxxx> wrote:
I would like to know the key points that I need to consider while
designing Exchange. We have at present around 500 users with around 125
heavy users. 250 light users and rest medium users. We would like to go
in for BE/FE configuration. Also, the design should be able to support
upgrading to Exchange 2007. Your input would be highly appreciated.
Regards,
Fazal-Ur Rehman, Shah
Key points?
Storage. How much storage are you planning giving to the users. Are
you thinking about an archiving solution as well, this would massively
change your fast storage calculations.
Storage. SAN or DAS, whose SAN? That alone gives you lots of options
and permutations.
Backup and more importantly, restores. What SLA will the business
want/need? How business critical will Exchange become and how quickly
(10 or 15 seconds after you install it?)
BlackBerry (or I/O) are any of the users going to be CrackAddicts?
That will push your I/O through the roof and introduce options for
latency. That alone loops you back to storage.
If you have 500 users on the box and some are BB users you must use
Enterprise and spread the users across multiple store and more
importantly multiple disk spindles. It's all about spindles!
Connectivity. What protocols, what devices, what corporate security
infrastructure is already there, what upgrades or modifications?
Hell, I could go on forever but then you need to start paying £1,800
per day ;-)
.
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