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Mac Pro Storage Upgrade

An SD-PEX40079 with three 256GB Crucial m550 mSATA drives attached.

I’ve been slowly changing my storage habits lately, because I’ve been seduced by the speed of Solid State Drives. When I bought my Mac Pro, I got it with the extortionately expensive Apple SSD. It’s as solid as a rock, and the only thing out there with official TRIM support, but it’s not the speediest option and that’s largely down to the measly 3Gb/s SATA II bus that Apple forgot to upgrade with the 2012 edition. Seriously, guys, you couldn’t have swapped out that controller?

However, because these Mac Pro machines are proper tower systems with PCI-E 2.0, there are options out there. For a long time I was going to go with the Sonnet Tempo SSD Pro (or the Pro Plus as it’s now become) but blimey, at over £200 it’s an expensive way of putting SATA III in your machine. And eSATA is a lovely feature, but not already owning any eSATA caddies, I just didn’t think I’d use it that much.

A little Googling turned up this thread on the TonyMac forum, where ‘gsloan’ had found success with the Syba SD-PEX40068. But would you believe it; discontinued. Nuts.

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Caching Server Cache Size

The Caching Service in OS X Sever is great – turn it on, and it largely works just fine. However, I host the cache itself on a Drobo. The Drobo appears as a 16TB volume on the system, so Server.app thinks it’s just a wonderful idea to give me Cache Size slider graduations of 30GB, 1TB, 2TB, etc. That’s not helpful.

Luckily, Apple haven’t obfuscated the configuration for this at all, and I’m not being sarcastic for once. Just go to:

/Library/Sever/Caching/Config/Config.plist

You’ll find the CacheLimit key right there at the top, with an integer value in bytes. Turn off Caching Server, edit, turn Caching Server back on again. Lovely.

Screenshot of Server.app showing the Caching Server config panel.

Okay, so the slider shows the wrong value, but the Usage area gets it right. Now why couldn’t they have just put a box in the UI? Ah, because this is Server.app, not Server Admin.app.

My sarcasm is creeping back!

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SqueezePlay OS for OpenFrame

Latest Release: 15th January 2015 – CHANGELOG

Download SqueezePlay OS v3.03 for External Storage – (220MB) MD5

Download SqueezePlay OS v3.03 for OpenFrame 1 Internal Memory – (219MB) MD5

Download SqueezePlay OS v3.03 for OpenFrame 2 Internal Memory – (220MB) MD5

  • Which version should I download?
  • - If you want to run this from a USB storage device, download the External Storage image.
  • - If you want to run this from internal memory and have an O2 Joggler (or similar) download OpenFrame 1 Internal Memory
  • - If you want to run this from internal memory and have an OpenFrame 2 (front facing speakers) download OpenFrame 2 Internal Memory
  • For either internal storage version, you will need the Reflash System to install it.

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