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phil_w

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Anyone got any experience with http://www.netstor.com.tw/_03/03_02.php?ODE=

Looking to replace ageing G4 Xserve in datacentre with a macmini server but want a 1U raid 5 to go with it. Wondering if Netstor is a brand I should trust?

Cheers
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My IT Indy

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That should be fine, I've seen similar units out in the field. Basically just 4 bays, a power supply, and a sata bridge board.

Most of these devices require a raid card with esata plus PM to configure the raid array so be careful with that.

[Updated on: Mon, 07 February 2011 13:35]


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My IT Indy
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srobson

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That Netstor unit has a RAID controller built-in, so you just set the RAID level you want on the unit and connect it to your Mac mini via Firewire 800 and that's all you need to do. You don't need any additional RAID controller hardware or software on the client side.

That unit also supports RAID 10, which appears to be the preferred RAID format for use with KMS mail stores, though I wonder if the bottleneck posed by the Firewire 800 interface would negate that particular optimization.

Man, I would really love a Mac mini with eSATA support without having to resort to dirty, warranty-voiding hacks.
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My IT Indy

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You won't hit the bottleneck of FW800 before you hit the I/O limitation of a 4 drive array. Kerio writes tons of small files which will stress any I/O out there.

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My IT Indy
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phil_w

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Surely anything I do with a new setup such as this one will be faster than the current setup running on software mirrored internal ATA xserve drives? I really like the idea of this as a nice and tidy setup: http://www.sonnettech.com/product/rackmacmini.html
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srobson

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That Sonnet Rack Mac Mini looks pretty interesting. However, it's just a rack for storing and securing two Mac minis in a 1U rack space. It won't give you any additional external storage, though.

Other World Computing has a couple of 4-drive external hardware RAID options to look at:

Rack-mount:
http://eshop.macsales.com/shop/hard-drives/RAID/Rack_Mount/

Desktop:
http://eshop.macsales.com/shop/hard-drives/RAID/Desktop/

I'm in a similar situation as you: I'm running Kerio Connect on a MDD Dual G4 tower with two internal SATA drives set up as mirrored software RAID. I'm probably getting slightly better performance than you are (maybe 40-50MB/sec for typical operations), but I'm going to need to replace that old tower with something more modern pretty soon, and I'd like to get improved performance and better redundancy while I'm at it.
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phil_w

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Yep I looked at the OWC stuff - looked good - although they ship to the UK, there's no local distribution/service channel so if I need a warranty swapout it would involve shipping times from the US. I was consider the version with the enterprise drives and warranty. I can't take the risk on that so I'll have to find something with UK based support/swapouts.
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