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Home » GFI User Forums » Kerio Connect » What Mac, What Storage (Running Kerio Connect on a XServe or a Mac Mini with External Storage)
What Mac, What Storage [message #138833] Tue, 20 March 2018 15:13 Go to previous message
TSC is currently offline  TSC
Messages: 5
Registered: April 2015
Hello Folks,
I am in need of some advice. We have currently switched our Kerio Connect server from Windows 2012 on a Dell PowerEdge 710 Rack Mount with 24GB of RAM a PERC Raid Controller with 2 SAS 10k rpm 160GB drives in a mirror for the OS and 6 10krpm 160GH. We have about 60 users (some very heavy users and some light).

Switched to Mac XServe 2009 24GB Ram, dual 2.66GHZ quad core, with SSD for boot and 3 1TB 7200RPM Western Digital Blue (not the greatest drives) in a Raid 5 using SoftRaid (not apple software raid but the product SoftRaid).

We are on a Dedicated Pipe 50x50.

Since the switch a few users have been saying that email is very slow now, in Kerio Connect client sometimes they wait 5-30 seconds while it says "Getting Data For You". Searching email is also very slow. This all started last week when we switched servers so obviously it is an I/O issue with the new drives.

I have been communicating with a very knowledgeable Kerio Partner and they have suggested it is the SATA drives in a Software SOFTRAID (softraid dot com) RAID 5.

We switched to Mac because the new admin is a Mac guy only and Kerio Engineers (back when it was Kerio) said that the platform really does not matter.

My Raid experience has always been for larger creative files, 4k Video, Photos, etc as most of my clients are creatives. Kerio appears to use RAID in a different manner.

- To figure out this new slowness issue I was going to put the mailstore on 1 (or 2) SSDs into the trays of the xserve and see if that gives us better I/O. This is the easiest and cheapest as we already own the parts to put SSDs into the Xserves.

I am going to assume this will tell me a lot.

If it does fix the issue and I must stay with mac for now my ultimate question is do I...

#1. Sink $$ into aging technology like the Xserves and maybe an External Promise VTrak e610f Fiber Channel enclosure.
#2. Would it be better to scrap the old xserves, buy a couple Mac Mini Quad Cores and attach a Pegasus R4 or R6 Thunderbolt Raid to the Mac Mini.

Again currently we have about 60 users but this will grow to hundreds in the future so I want to be sure to build in growth. And we MUST stay with Mac for now, we will move to Linux once the new guys becomes familiar with Linux.

Could I bother you all for some advice please.

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