Latest post Tue, Jul 7 2009 8:37 PM by general_failure. 20 replies.
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  • Mon, Jul 6 2009 1:48 PM In reply to

    • mfantu
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    Re: XDCAM EX MXF + Media Offline

    After the reinstall, i was still stuck with sluggish video playback. I figured the only thing it could be at this point was the hard drive. Even though my computer is showing that it has perfect health. So i did a batch import and set the destination drive to a different drive and bingo. It started working perfectly. Im glad its working but it also really suck cause now i have to get rid of two fairly new drives and buy new ones.

    But anyways... Thanks to everyone on this forum who was kind enough to lend a hand.

    Happy editing.

     

    Marc

    MC 3.5 | Win XP Pro SP3 | Quadro FX 3500 | Core 2 Quad 2.4GHz | 3GB RAM [view my complete system specs]
  • Mon, Jul 6 2009 9:47 PM In reply to

    Re: XDCAM EX MXF + Media Offline

    Before going out purchasing new drives I would try to reformat the old ones (once the media folders are backed up!) and then do not set up a software RAID! Especially no software RAID0! The only reason for choosing a RAID0 is speed, if a hardware RAID controller is installed. Whenever you use software (e.g. Windows spanned drives) you will lose performance you might need. 

    BTW: how fast are your drives spinning 'round? You should know that you need at least 7.200rpm drives as media drives. But 10.000rpm-SATA II drives are quite cheap out there , so...

    mfantu:
    But anyways... Thanks to everyone on this forum who was kind enough to lend a hand.

    We are all happy if we can lend a helping hand (I hope noone feels being patronised because I said "we").

    Kind regards, g_f

    Dell Precision m6400, Intel QX9300 2,5GHz Quadcore, nVidia QuadroFX 3700@1GB, 4GB RAM, M-Box2, MC 3.5.1 Software Only, ProTools LE 8cs2, WindowsXP 32bit... [view my complete system specs]
  • Tue, Jul 7 2009 1:30 AM In reply to

    • jwrl
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    Re: XDCAM EX MXF + Media Offline

    Back on this thread after a day of commissioning a new system...

    general_failure:
    do not set up a software RAID!
    g_f is right.  In simple terms, with hardware RAID the CPU just says to the RAID subsystem "here's some data I need saved (or recovered)" and gets on with whatever other tasks it has to do.  With software RAID it has to split the incoming data into separate data streams to write, and merge the incoming data streams to one to read.

    With a fast enough system you can still get a sufficent performance improvement to make it worthwhile, but how much better is it not to load your CPU with unnecessary tasks?

    general_failure:
    Before going out purchasing new drives I would try to reformat the old ones
    This is where I differ from g_f.  Drives are cheap enough nowadays to replace at the first hint of trouble.  I regard the added cost as cheap peace-of-mind insurance.

    MC 4.0.3 - Asus P6T Deluxe V2 mobo - Intel i7 920 2.66GHz - nVidia Quadro 1700 - 12 Gbyte mem - Internal 4 Tb SATA II 4-way RAID 5 array - Pyro firewire... [view my complete system specs]
  • Tue, Jul 7 2009 2:18 AM In reply to

    • mfantu
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    Re: XDCAM EX MXF + Media Offline

    Thanks for the add info jwrl. For some reason my SMART software as well as windows XP tools tell me that all my drives are healthy. So i unstriped the HDD's like Gen_fail suggested. I reformatted them and tried using both as my avid mediafiles import drive. 1 worked and the other didnt. So i found my problem. It was one faulty drive. Im gonna keep the other one but ill get a SATAII 10,000rpm one for my media going forward. Mine are all 7200 at the moment.

     

    I can assume all of this happened because of that drive. My media went offline cause the drive corrupted my avid media folder (wich i stupidly failed to backup occasionally). Then i had playback issues cause i was trying access media that was being bottlenecked by the faulty HDD. This would have been a huge pain in the ass if i didnt learn all that i did about Avid going through it. It also made me realize i should do much more learning.

     

    Thanks,

     

    Marc

    MC 3.5 | Win XP Pro SP3 | Quadro FX 3500 | Core 2 Quad 2.4GHz | 3GB RAM [view my complete system specs]
  • Tue, Jul 7 2009 3:51 AM In reply to

    • jwrl
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    Re: XDCAM EX MXF + Media Offline

    Glad you found the problem.  I think that your assumption that the faulty drive caused all of your issues is pretty close to the mark.

    MC 4.0.3 - Asus P6T Deluxe V2 mobo - Intel i7 920 2.66GHz - nVidia Quadro 1700 - 12 Gbyte mem - Internal 4 Tb SATA II 4-way RAID 5 array - Pyro firewire... [view my complete system specs]
  • Tue, Jul 7 2009 8:37 PM In reply to

    Re: XDCAM EX MXF + Media Offline

    jwrl:
    I think that your assumption that the faulty drive caused all of your issues is pretty close to the mark.

    Sometimes compromises are a good way to go, aren't they? Wink So together we saved one hard drive, but you are certainly right up to the point that it's unsave to run hardware that might be faulty and on the other hand is cheap. But having bad experiences with software "RAIDs" I really thought it could be the culprit and that doublechecking* the drives un-raided could save some money.

    In the end I am also just glad you're able to work again, Marc! Regards, g_f

     

    *S.M.A.R.T.-test and checkdisk should sort the most hardware related problems out. Also when a drive gets formated (not fast-formated) bad sectors should get sorted out, AFAIK.

    Dell Precision m6400, Intel QX9300 2,5GHz Quadcore, nVidia QuadroFX 3700@1GB, 4GB RAM, M-Box2, MC 3.5.1 Software Only, ProTools LE 8cs2, WindowsXP 32bit... [view my complete system specs]
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