Title: Message
Hi John:
 
I totally agree with you... RAID 5 is best suited for that purpose.
 
The only reason we have it as such is simply because of redundancy.  The best for mailboxes is RAID 0+1.  RAID 5 gives us the ease of adding more storage and more redundancy.
 
But You are right..
 
Regards,
Kami
 
 
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Tolmachoff (Lists)
Sent: Friday, July 25, 2003 11:08 AM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] Declude using 50% cpu

Morning Kami.

 

Hate to differ, but I disagree, as I am sure others will, on using RAID 5 for mail boxes. The mail boxes are heavy Read AND Write. RAID 5 will slow performance in heavy write usage. RAID 5 is best and shines the greatest in mainly Read situations, like databases that use transaction logs to do most of the constant writing. (Where the transaction log sits on RAID 1 or 0+1.)

 

John Tolmachoff MCSE CSSA

Engineer/Consultant

eServices For You

www.eservicesforyou.com

 

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kami Razvan
Sent:
Friday, July 25, 2003 3:48 AM
To: [EMAIL PROTECTED]
Subject: RE: [Declude.JunkMail] Declude using 50% cpu

 

Mark:

 

I might have missed it in case you mentioned it.

 

What is your drive configuration?  I believe that also can make a lot of difference.

 

It is best to have your spool directory separate from your mailboxes.  Our configuration is as follows:

 

1:  RAID 0+1:  OS & Application

2:  RAID 0+1:  Spool

3:  RAID 5:  Mailboxes

 

I believe performance increase can also be made if the Pagefile is separated and put in its own drive but we do not have it.

 

I am not sure if in your case it will solve the problem but I have a feeling it can help.

 

Regards,

Kami

 

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Mark Gordon
Sent:
Thursday, July 24, 2003 3:51 PM
To: '[EMAIL PROTECTED]'
Subject: RE: [Declude.JunkMail] Declude using 50% cpu

On a good day we rev 19000 local deliveries + send 8000 per day.

It hits the machine hard average cpu time before was around 44% then when declude was installed it jumped to over 90% average. The version is 1.75

-----Original Message-----
From: R. Scott Perry [mailto:[EMAIL PROTECTED]]
Sent: Thursday, July 24, 2003 3:37 PM
To: [EMAIL PROTECTED]
Subject: Re: [Declude.JunkMail] Declude using 50% cpu

 

>We are evaluating declude and have noticed a considerable increase in the
>cpu cycles associated with mail delivery. Is there anyway have it run in
>an isolated cpu instance? since there are multiple instances of
>declude.exe running, I would guess it would be hard to lock it down.

How many E-mails do you send/receive per day?

What version of Declude are you running (you can find out by typing
"\IMail\Declude -diag" from a command prompt)?

Are you sure that it is Declude using the extra CPU cycles (by sorting the
processes in the Task Manager by the "CPU" column)?

                                                    -Scott
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