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TiVoPony, What about ESATA, in an interview you said ESATA was coming....

Discussion in 'TiVo Series3 HDTV DVRs' started by MediaLivingRoom, Sep 17, 2006.

  1. Sep 22, 2006 #61 of 105
    classicX

    classicX Don't scream.

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    In my company's case, no, but our DVRs are for a different type of application (not "end user" or consumer electronics). If one drive fails, I can still play back whatever video is still on the other drives.

    In Tivo's case, assuming that they are doing this, I doubt it would be useful playing part of a TV show.
     
  2. Sep 22, 2006 #62 of 105
    classicX

    classicX Don't scream.

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    I was thinking more along the lines of this beast:

    [​IMG]

    It is EXTREMELY loud though, and weighs a ton. I wouldn't put this thing in my living room. My basement, maybe. It also has three power supplies (with three seperate power cables) and you can feel the fans from 15 feet away.
     
  3. Sep 22, 2006 #63 of 105
    Franco

    Franco Member

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    You guys are beating a dead horse that isn't even alive yet. I'm not sure if that makes sense, but please stop guessing if/when/how eSata will be implemented. You people are driving me crazy! You even made my avatar flip upside-down! :p

    (Hey TiVo, please enable eSata for just my account. I won't tell anyone.)
     
  4. Sep 22, 2006 #64 of 105
    jrog

    jrog New Member

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    No such thing as too much, I suppose... I bet the MSRP on that is about 10-20 times more than on the two drive unit I was suggesting... then again, with that, the sky's the limit.
     
  5. Sep 22, 2006 #65 of 105
    classicX

    classicX Don't scream.

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    Beating a dead horse? We aren't even discussing when eSATA will be enabled anymore, it's become a raid discussion.
     
  6. Sep 22, 2006 #66 of 105
    classicX

    classicX Don't scream.

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    I'll just say, with drives, > $10K.
     
  7. Sep 22, 2006 #67 of 105
    jrog

    jrog New Member

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    I don't think I was beating a dead horse at all. I was suggesting that you take the onboard sata port, and run a cable out the back or an opening elsewhere and connect that to an external raid array. Then you have external with RAID reliability, and expansion if you can afford it all. Then you never have to worry about data loss, and you can grow most of those systems if you need to.

    And there's no heat build up or noise created by the internal SATA drive on the Tivo. :)

    -jrog
     
  8. Sep 22, 2006 #68 of 105
    HDTiVo

    HDTiVo Not so Senior Member

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    The internal and esata are going to have to be independent. You can't corrupt the file system because someone unplugs the esata while vacuuming.

    I'd like to see the esata moveable to any S3 with the same MAK.
     
  9. Sep 22, 2006 #69 of 105
    MediaLivingRoom

    MediaLivingRoom New Member

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  10. Sep 22, 2006 #70 of 105
    classicX

    classicX Don't scream.

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    If I understand you correctly, you are saying that Tivo must make the drives independent by not striping information across both drives, simply to prevent data loss if the eSATA is accidentally unplugged?

    I do not know the structure of the Tivo drives, but I would think that the operating software and buffer are on seperate partitions to prevent that. Striping the information is more efficient, as I've stated in a previous post.

    Once MRV is enabled, I don't see how this would be useful to anyone but those using phone lines and those with Tivo's on the same account in different places, like two homes on opposite coasts.
     
  11. Sep 22, 2006 #71 of 105
    fergiej

    fergiej More hair, less 30lb

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    Set one of these bad boys up with a RAID 5 configuration for data redundancy:
    http://fwdepot.com/thestore/product_info.php/products_id/1248

    I'd be really curious as to whether this configuration would even remotely work. Put 4 500GB drives in for an additional 1.5TB of space (abut 1/4 of total is used for the redundancy).
     
  12. Sep 22, 2006 #72 of 105
    Bodshal

    Bodshal Penguin-tastic!

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    Cedar...
    Nah, that thing has 4 separate esata connectors, one for each drive. The one that is a single connector is multilane, which is in effect 4 sata connections in one connector.

    I *do* want to find such a beast that does the jbod/stripe and presents a single esata though.

    Chris.
     
  13. Sep 22, 2006 #73 of 105
    c3

    c3 TiVoholic

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    I'm not sure if we're talking about the same thing. "Striping" (RAID 0) means storing one file (large enough) on multiple drives in order to improve performance beyond what a single drive can deliver. If any drive dies, the whole system dies, unless you have redundancy in addition to striping.
     
  14. Sep 22, 2006 #74 of 105
    pmiranda

    pmiranda New Member

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    That box won't work with the single eSATA port on S3 or the SA cable boxes.
    It's basically an external multi-drive enclosure with a power supply, which isn't going to cut it.
     
  15. Sep 22, 2006 #75 of 105
    c3

    c3 TiVoholic

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  16. Sep 22, 2006 #76 of 105
  17. Sep 22, 2006 #77 of 105
    Bodshal

    Bodshal Penguin-tastic!

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    Jan 4, 2005
    Cedar...
  18. Sep 22, 2006 #78 of 105
    classicX

    classicX Don't scream.

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    I was simply using the term in the sense that it was used by whoever used it first. I was not talking about R0, I simply meant breaking up the video into pieces, and storing those pieces on seperate drives - they could be on the same drive or different once, but all are seperate from the OS partition.
     
  19. Sep 22, 2006 #79 of 105
    c3

    c3 TiVoholic

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    TiVo OS and data are already on separate partitions (since day 1). However, if one drive dies, the whole system is dead. That's "acceptable" before S3 because all drives have been internal. With S3, TiVo has to be able to handle external disconnections gracefully.
     
  20. Sep 22, 2006 #80 of 105
    eisenb11

    eisenb11 New Member

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    Redondo...
    Ah nice, maxtronic raid chassis... also distributed under OEM by raidweb.

    I have the 8 drive version of that, but it's outfitted with a ridiculously overpriced fibre channel connector... not much use with the S3 because of that, but great with my home file server :)
     

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