Question about Medea VideoRaid RT

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Hi...My Medea RT VideoRaid just went on the blink... it no longer appears on my MAC desktop and the blue lights don't stay on. One light (of 5) cycles on and off independently from the others, while the others cycle on and off in sync. Sound familiar to anyone???

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  • Wendy Jan 11, 2009

    Hi...Thanks for your feedback. I think you're right that the interface is no longer recognizing the hard drive. Your suggested trying a file recovery program....Sigh. I'm a bit lost here. I have the Disk Warrior program. Again, the Videoraid is not showing up at all on my MAC. I'm not sure how to "look" at the inside of the drive---? I can tell you that everything went down when I was rendering a video composition yesterday and got an "error" message which ultimately jammed the system and forced me to manually reboot. Any other suggestions?? THANKS! Wendy

  • Wendy Jan 11, 2009

    A big thanks to Benimur! Will try Disk Warrior to recover and rebuilt disk directory. First, I'm transferring what I can in the project I'm working on to a different RAID. Turns out that I routed MOST of the actual vdieo and audio DATA for the project to this other RAID and was using the problem RAID for creating special effects and compositions. I now reassigned those functions to the working raid and am in the process of RE-RENDERING the project. After I see what I'm still missing, I'll proceed with the problem RAID.

    I'm more of an "artist" than a "technician," as you can see. Your help is very much appreciated as, it seems, MEDEA sold out to AVID and I'm not sure what kind of "servicing" I can now get on this machine.

    Have a great day!




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Check the powersupply and the drives. I suspect the powersupply may also be a problem with the drives, I'm not too fimiliar with this setup.

Posted on Jan 11, 2009

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Hi again and welcome back to FixYa,

As it would seem that you were unable to view my Clarification post in your "Ask Me".

Initially, your description of "the power light, rather than stay on, is also cycling on and off" is indicative that the electronics/interface of the Medea VideoRaid is no longer recognizing the hard drive(s) installed inside (most likely), or the electronics/interface itself is faulty (least likely). You could try running a file recovery program/utility and see if files inside could be recovered (if needed) or run a partitioning/formatting utility. Otherwise it would be a hardware problem and of course would require the services of a qualified professional. If you are considering a DIY (do-it-yourself), then you must have access to the service manual and/or the checklist/procedures. You have an advantage since there are other Medea VideoRaid readily available for you to compare performance, voltage checks and temporary donor of parts or test bed.

Check and perform preliminary visual or necessary inspection of the inside. Pls post back result(s) with photos if at all possible.

Good luck and Thank you for using FixYa.

Posted on Jan 11, 2009

  • Louie  Role
    Louie Role Jan 11, 2009

    Appreciate the postback.

    I am not familiar with the Disk Warrior utility nor for that matter much about Mac OS. Even having said that, a recovery program is a recovery program and as the name implies, its purpose to extract files from a media that is no longer "readable/accessible". It is of course assuming that:

    • you still want to recover the contents of the erring Medea

    • the hard disk(s) are physically operational.
    It would be expected for your system to "jam" since initially the erring Medea
    VideoRaid was mounted and your Mac was accessing and storing/retrieving the video files from there. Sudden loss of the attached storage device is a major systems failure.

    Proposed course of action:

    • run the Disk Warrior. Should you be successful, you would need a comparably sized storage media to save the recovered video files, perhaps a spare Medea

    • should the recovery program be not successful, then it would be required to physically inspect the internal electronics of the Medea

    • primary focus should be on the supply voltage of the hard drive(s). Most hard drives need +12 & +5 VDC. A DVM (or VOM) would be needed to confirm their presence/absence;

    • if both voltages are missing, then focus should move to the power supply although I doubt this very much since the same power supply provides the needed voltage for the "blue lights" to operate;

    • next to be checked would be the hard drives themselves (most likely). They could be removed and checked externall individually but must be marked where it was originally positioned inside the machine. They should not be interchanged;

    • an external IDE/SATA to USB interface/adapter could be used to check if they will mount (individually) and therefore verify the integrity/operationability of each drive;

    • connecting the hard drive to the IDE/SATA to USB interface/adapter to your Mac's USB port should enable you to access the contents (not necessarily the video files);

    • being able to access the contents would indicate that that particular drive is operational;

    • depending the RAID formation/arrangement, it is imperative that both be operational;

    • it is also possible to install the drives in another Medea
      VideoRaid to determine if they will work and enable you to ascertain that the electronics interface/Medea
      VideoRaid is the one at fault and not the drives.
    Would appreciate again updates on developments.




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