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Mbox2Pro through LaCie Rugged Triple
I was hoping to be able to run my Mbox as a slave off of the second firewire port on my LaCie Rugged Triple, as my iMac has only one firewire port. But when I try this I get a buffer underrun error whenever I try to playback audio in Pro Tools (9), regardless of what HW buffersize setting i use. System audio out through the Mbox works fine with this setup.
Is there any way to make this setup work, or is it a lost cause? |
#2
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Re: Mbox2Pro through LaCie Rugged Triple
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To start with what *exact* drive do you have? The Rugged Triple is available as a 5,400 rpm drive (500GB or 1TB) or a 7,200 rpm drive (500GB). If you have a 5,400 rpm drive, that is not close to meeting the Pro Tools disk requirements and you should give up now and replace it with a 7,200 rpm drive. And what exact iMac do you have. If it has Thunderbolt then a very good thing to do is grab an Apple Thunderbolt to FW800 adapter and use that to get separate Firewire buses for the disk and the interface. And if it is a 7,200 rpm drive have you tried putting the drive after the interface? And what exact adapter cables and/or separate adapters are you using. Sometimes this comes down to an adapter or cable, test those separately if you can. And have *all* other standard Mac systems optimizations been done, especially disabling spotlight indexing (start by setting every disks as private (aka not indexed)) and Time Machine backup on this drive. Darryl |
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Re: Mbox2Pro through LaCie Rugged Triple
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Re: Mbox2Pro through LaCie Rugged Triple
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And this is not likely a pure bandwidth spec issue, these problems are much more to do with subtle latency things. First question is just what spec drive is being used. And a useful test may be to just try recording with Pro Tools to the system drive (hopefully its 7,200 rpm or an SSD) and see if that works at all for a very simple session, just to exclude other problems. Not for production use, just as a test. Darryl |
#5
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Re: Mbox2Pro through LaCie Rugged Triple
Thanks for quick replies guys!
Ok, so this is a 500GB 5400rpm disk. My math told me that firewire 800 wasn't capable of transfering data at the same rate as the disc read capability anyway, so I figured it wouldnt matter. Guess my math was wrong then. I'm running a pro tools session together with apple ProRes 422 1080 25p video from this disc on a Mac Pro at school. Havent had any problems with that yet. The disc is now connected to my iMac11,3 (no thunderbolt) through a FW800 - FW800 cable and then a FW800 - FW400 from the disk to my mBox. (the mBox has 2 x FW400) Anyway the problem is there if I load a session located on my iMacs internal drive aswell, aslong as the mbox is connected through the lacie. Seems to me that its a problem with the FW "hub" in the lacie, but I dont know. |
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Re: Mbox2Pro through LaCie Rugged Triple
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Are you trying to run video off this drive or the iMac system disk as well on your iMac, or just audio? And are you using a very simple session to test with, what sample rate?, a few tracks and no plugins? Or try to describe what is in the session. If you had Thunderbolt I'd be looking at SSD drives, but FW800 SSD options are more limited. Maybe folks here have recommendations. What exact model/spec drive is in the iMac now? Is Spotlight and Time Machine disabled? All other optimizations done? These can absolutely kill disk performance/cause all sorts of problems. You are getting lucky running the video off your Audio disk, you should not be doing that. Darryl |
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Re: Mbox2Pro through LaCie Rugged Triple
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Re: Mbox2Pro through LaCie Rugged Triple
Hmm.. Hope I can return it too. I guess I was a little quick on the trigger on ordering it, as the site I got it from dont have the 7200 rpm version.
The internal disk in my imac is a 1TB Western Digital Caviar @7200 rpm(WDC WD1001FALS-40Y6A0). OSx is running on a 120GB Corsair Force 3 SSD |
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Re: Mbox2Pro through LaCie Rugged Triple
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#10
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Re: Mbox2Pro through LaCie Rugged Triple
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I'll ask the optimization question a third time... I'm starting to assume you are not understanding this question. Start at the "Help us Help You - READ THIS Before Posting!" link on this page and make sure **every last one** of the optimizations for your OS X version described in the links there have been done. You may be able to back some of them out if you need to after the system is totally stable. And to start with I would disable spotlight indexing on all drives not just the audio drive. Darryl |
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