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cwachs

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I'm having a significant problem on a new install I'm hoping someone else has seen.

I had been running Kerio on a Apple G4 X Serve 1Ghz w/ 1.25 GB RAM. It was getting a little slow.

I installed Kerio and moved the data to an Apple Intel 2 x 2Ghz dual core X Serve w/ 4 GB RAM.

I can swear things are running slower on this new machine. For example, I upgraded yesterday from 6.0 to 6.1 on both servers (the old one is still active as a test server). The install on the G4 took 4 minutes and does not require a reboot. The install on the Intel X Serve took 25 minutes and requires a reboot (see more info below). Apache is also running on a different IP on the Intel server but it is only hosting a couple very inactive sites.

Processor utilization on the G4 during the Kerio upgrade was around 60%.
Processor utilization in the Intel X Serve during the upgrade was around 2%.

Both servers are running OS X 10.4.11

The last bit of info: Whenever I run a Kerio upgrade on the Intel machine, it not only takes a long time but does not restart the mail server when it is done. Trying to re-start the mail server from the preference pane fails with an error. I then reboot the server. It comes back up and Kerio starts up but NO other services begin (web, ARD, SSH, webmin, anything). I have to power down and then power up the server to get everything to come alive after each Kerio install. If I simply reboot a machine (without any Kerio installs), it comes back to life fine. It only has an issue following a Kerio install.

Anyone else seen issues like these on Intel X Serves?? Have any ideas on the slowness of Kerio on an Intel X Serve?

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My IT Indy

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I have an Intel XServe an have not seen any slowness issues at all. In fact, if I didn't know KMS was running on it I wouldn't be able to tell by the CPU utilization as it averages maybe 1-2% with over 100 users on it.

I would check the hard drive to see if it's having problems.

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My IT Indy
Kerio Certified Reseller and Hosted Provider
http://www.myitindy.com
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cwachs

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Hard drive is a RAID and it checks out ok. Consul messages have no insight. Annoying.
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My IT Indy

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Is it the internal raid card? I have that exact setup and have never seen that.

One more thing, did you install it right after creating the raid array? If so, that would explain the slowness as the raid is writing parity. A regular OS X Server install on the raid array can take 30-40 minutes whereas the same install when the array is writing parity will take 2-3 hours.

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My IT Indy
Kerio Certified Reseller and Hosted Provider
http://www.myitindy.com
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cwachs

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Software RAID with Disk Utility. Server has been running for over a year on this RAID and it's a level 1 RAID so they are just mirrored. I'm more concerned with the part where the mail server wont restart after a Kerio upgrade or install without a power down and power up reboot (a simple reboot does not work right after a Kerio install).

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Server installation:
Kerio Connect 7.1
OS X Server 10.5.8
Apple G4 X Serve
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My IT Indy

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Yeah, I'm guessing there's an issue with the software raid that's affecting the filesystem.

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My IT Indy
Kerio Certified Reseller and Hosted Provider
http://www.myitindy.com
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anthony.somerset

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i would reccommend a hardware raid over software raid anytime...

software raid really struggles when you have high disk activity.

i really cant understand why they invented software raid...

Mac Xserve Intel - 2x 2.7GHz Dual Core Xeon
Leopard 10.5.8
4GB Ram
1.25 TB HDD Raid 5
Kerio 6.7.1
~60 Users (varying windows and mac Exchange or IMAP)
18 iPhones
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