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miker789

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Other than this post from 4 years ago, I can't find any current info. forums.kerio.com/mv/msg/13306/52574/#msg_52574

I just wanted to see if anyone currently has setup a warm or hot spare server on OS X 10.7 or 10.6 and what they used.

Any idea what Kerio's policy is on this?

Thanks,

Mike
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fishtech

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I keep the Kerio mail store on a pegasus thunderbolt raid.

In case of Mac hardware failure I can switch the raid to any other thunderbolt machine, install Kerio Connect, pull in the config files and quickly be up and running.

If the thunderbolt raid fails I have plenty of good local and remote backups but would have to restore. This is a good argument for mirroring the RAID on a second unit.

ft.

[Updated on: Tue, 29 May 2012 23:12]

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miker789

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That is very similar to what I am thinking.

Got two new Mac Mini servers with dual 500 GB drives and one Pegasus RAID.
Going to setup the mail store on the external RAID.
Have the Mac Mini dual drives setup as mirrored.
Want to have the second Mini be a duplicate of the first Mini and potentially use rsync to keep the Mac Mini's internal drives in sync.

Then if a Mini has some failure, I just shut down both, move the Pegasus to the second Mini and power up.

Just need to figure out IP addresses and how to have that duped.

In theory this sounds good.

Have an older RAID drive on Firewire for the Kerio auto backup.
Also have Retrospect for the normal nightly backup.

Anyone else chime in with their bullet proof setup.

Thanks!
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sfpete

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We have considered using the Promise Pegasus as a mail store volume in Kerio deployments, however - what concerns me there is Promise does not offer spare drive modules for the Pegasus. They'll replace them via mail if they fail... but you can't have them on hand in the event of a failure. Just a bit of a scary weak link there.
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sfpete

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OK I'm eating my words on this.

I called Promise support on a few months back regarding this and they advised they do _not_ sell spares to keep on hand... only will replace if one fails.

Rooting around in the distribution channel, I do see these are available now however.

2TB 7200 RPM SATA DRIVE MODULE FOR PEGASUS R SERIES RAID SYSTEM
MFG#: HDSATA2TB

1TB 7200 RPM SATA DRIVE MODULE FOR PEGASUS R SERIES RAID SYSTEM
MFG#: HDSATA1TB

Good to know!

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MacLab

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Miker, regarding your IP problem, what you do is rsync to an external volume on the second mini (or second internal). Then if the first mini dies, you tell the second mini to boot from the external, which is an exact clone of your first mini (although not up to the minute). A good product for this, and easier than rsync is Chronosync + ChronoAgent.

MacLab, Inc.
Kerio Certified Partner, Reseller, Hosting Provider, Kerio Connect Certified.
http://maclaboratory.com
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j.a.duke

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MacLab wrote on Thu, 31 May 2012 14:45
Miker, regarding your IP problem, what you do is rsync to an external volume on the second mini (or second internal). Then if the first mini dies, you tell the second mini to boot from the external, which is an exact clone of your first mini (although not up to the minute). A good product for this, and easier than rsync is Chronosync + ChronoAgent.


Your other option is to use something like Carbon Copy Cloner with it's Remote Mac feature to push those changes over the 'net.

Or, even better, you could put your "spare" Mini into target disk mode (either via FireWire or Thunderbolt) and clone the startup disk of the active Mini to the spare.

Should work like a charm.

Cheers,
Jon
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