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bigmountain

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I currently run KMS on a single processor Xserve, along with web, ftp, dns, etc. I am considering purchasing another Xserve, this one dual processors, to move KMS to in an effort to help offload some of the internet traffic off of the older server. I would like to keep my mail store on the older server making it more of a fileserver than anything, because it is configured in a RAID5 array and the new one is not. I like the added security of RAID. The mail store is backed up regularly to a remote drive and my LAN is running Gig Ethernet throughout. Two questions: 1. will this work to turn my first server into a fileserver to host the mail store and 2. while running gigabit throughout my LAN, will I notice any drop in performance, network drive vs. local drive, especially if KMS is moving from a single processor server to a dual processor? Thanks!
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winkelman

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It is not possible to place the store on a network volume. As it stands, the access latency would be to high for Kerio's 'store-engine' to function properly, so it is currently not possible to configure such a setup.

Also see
http://forums.kerio.com/index.php?t=msg&goto=34149
and
http://forums.kerio.com/index.php?t=msg&goto=38401
for more info.

[Updated on: Mon, 11 September 2006 19:30]

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bigmountain

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This is true for Mac OSX as well? I noticed that the discussions you refer to are using other platforms as examples. I am not using mixed environment, so should be pretty streamlined using AFP. Do you have any other suggestions? Would Xserve RAID with fiber, etc. be my only other option other than to create another local hardware RAID configuration on the new server as it is in the older one? Also, for clarification, are you saying that it will not work at all, or just that with the demands of KMS, the latency will cause problems. Both servers are running G5 with 2GB+ of RAM. I am just surprised that even with fast servers that there would be enough latency to cause problems as you described. Thanks for your help. I look forward to your response.
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sonofcolin

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KMS needs to access the mailstore on a local file system, not a network file system. This applies to all OS's.
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