Thanks Bob,
>From this I guess it is safe to assume that the SMTP spool processing will
work in the same way.
Are there any forseeable Imail file access problems that may arise due to
this configuration?  I just wanna' make sure that this plan is workable.

Thanks,
Chris
----------------------------------------------
Original Message
From: "Robert Stull"<[EMAIL PROTECTED]>
Subject: Re: [IMail Forum] Imail/Raid/Clustering question
Date: Mon,  1 Nov 1999 14:11:52 -0500

>Chris,
>
>If the mailbox is locked--mailbox.~bx--then the modules don't
>mess with it. Doesn't matter what locked it. So the answer to
>your question is yes the file locking will still work and be
>happy.
>
>Bob
>
>---------- Original Message ----------------------------------
>From: [EMAIL PROTECTED]
>Reply-To: [EMAIL PROTECTED]
>Date: Mon, 1 Nov 1999 12:31:29 -0600
>
>>I wanted to throw a question out and see if anyone has any ideas whether
>>this will work.  We are planning to expand to handle an insane amount of
>>requests.  The system that we are designing is as follows:
>>
>>1 External Storage array (1+ TB)
>>4 Clustered Imail 5.x servers (all tie into the storage via 1 logical
drive
>>letter)
>>4 Clustered Web interface servers (these will handle all calls between the
>>user and the mail servers)
>>
>>The external storage array will contain ALL Imail user accounts and thier
>>mail.  All user information will be stored in an external SQL server.  
>>The idea is that the 4 clustered servers will "share" all Imail accounts
>>and pass requests to each other based on fail overs and load balancing.
>>The question is, can Imail handle this? Each email retrieval (POP, IMAP)
>>call will be made through a single server in the cluster, but SMTP
>>managment can be handled by ALL servers in the cluster.  
>>Will Imail's file lock control what mail in the spool is already being
>>handled by another server?  I know that Imail modifies the extension of a
>>file in the spool if it is being used, but what if Mail Server 1 and Mail
>>Server 2 BOTH try to access the same file at the same time?  Will this be
>>handled in the same manner as 2 different SMTP processes doing the same?
>>Any advice would be appreciated.
>>
>>Thanks,
>>Chris
>>
>
>
>--
>R. Stull
>Programmer and 
> C++ code demolitions expert
>Ipswitch, Inc.
>http://www.ipswitch.com/
>--
>Please visit http://www.ipswitch.com/support/mailing-lists.html 
>to be removed from this list.
>

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