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Hard Drive Upgrade Info

Discussion in 'TiVo Roamio DVRs' started by amseven11, Aug 20, 2013.

  1. FitzAusTex

    FitzAusTex Member

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    May 7, 2014
    Thanks!
     
  2. duckman2000

    duckman2000 New Member

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    Oct 16, 2013
    WD seems to be saying the Purple drive are optimized for Surveillance systems and are NOT the right choice for DVRs.

    Regarding WD Purple drives for Tivo or DVR applications, this was asked in the WD Forum and a WD Staff member said this:

    " The WD Purple drives are for surveillance systems.
    You can see more information on the link below:
    http://www.wdc.com/en/products/surveillance/

    The line suitable for DVR's is the following:
    http://www.wdc.com/en/products/products.aspx?id=170 "
     
  3. nooneuknow

    nooneuknow TiVo User Since 2007

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    Feb 5, 2011
    Cox Cable...
    As noted in one or more of my past posts, I came to the same initial impression.

    I feel it is worth noting that the AV-GP line, as originally marketed, did not include PVR/DVR use, only surveillance (It was added, not that long ago).

    One thing the AV-GP was never marketed for was NAS and/or array use, which the "Purple" is heavily marketed for.

    The numbers that truly matter are how many TB/year the drives are supposed to handle. I did the math on "unofficial" 120-150TB/yr RED NAS, and came up with "in excess of the rating", for four tuners at a modest 5TB/hr per tuner for high def. Even the published drives are rated lower than what a 4 tuner unit recording HD comes out to (~200 TB/yr). Do the math on six tuners.

    From AnandTech:

    "We had covered the launch of the WD Se hard drives for data centers and high end NAS units in May. One of the advertised aspects was the 180 TB/yr workload capacity. Western Digital is unable to commit to a workload capacity for the WD Red lineup because of the varying environmental conditions under which consumer NAS units operate. That said, WD expects (unofficially) the Red drives to be able to handle workloads between 120 and 150 TB/year."

    Whole article": http://www.anandtech.com/show/7257/...ed-nas-drive-lineup-with-4-tb-and-25-versions

    I'm seriously wondering how underrated a stock 500GB 4-tuner roamio AV hard drive is (IMHO, must be). The smaller the drive, the more each sector is overwritten per year, logically lowering the TB/yr rating, TTBOMK.

    I'm also seriously wondering how well plain Green, non-AV, non 24/7 marketed drives will hold up.

    It also would seem like (to me) one of the best ways to determine the true life (in P/E operations) of SSDs (Solid State Drives), is to put them into TiVos and see how long each one lasts, then do some math.

    From now on, I'll be trying to keep idle tuners on SD music channels. A 4hr recording of one comes out to less than 600MB (yes, MB) total size.

    If TiVo provided a way to stop live buffering, preferably with a way to specify how many tuners to allow to live buffer, I'd jump on it...
     
  4. FitzAusTex

    FitzAusTex Member

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    May 7, 2014
    I know this is going to be a silly question, but when we swap out a Roamio hard drive that has already gone through guided setup and that already has season passes, a populated to-do list, etc, with a brand new hard drive, our Roamios lose all settings and season passes? Thanks!
     
  5. A J Ricaud

    A J Ricaud New Member

    1,143
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    Jun 25, 2002
    Hacienda...
    Yes. That info is stored on the original drive. But, I think you can get your season passes from the Tivo website. I'm not sure about the settings.
     
  6. FitzAusTex

    FitzAusTex Member

    296
    0
    May 7, 2014
    thanks!

    Now I'm wondering if we took the hard drive out of a Roamio that has recordings, settings, season passes, etc, if we put it in a different Roamio, would that new Roamio overwrite this hard drive, or would all of the tivo data be maintained?
     
  7. ThAbtO

    ThAbtO TiVoholic by the bay

    6,735
    8
    Apr 6, 2000
    SF Bay Area
    The data and recordings are set for a specific Tivo so it would return an error and cannot record. Tivo Service number would return all ZEROs. Clear and Delete Everything must be used to fix it.
     
  8. lessd

    lessd Active Member

    7,695
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    Jan 23, 2005
    CT
    In my experience one can use any drive except the ones over 7200RPM, the best is any 5400RPM drive, (or green drive) and any color will work for a TiVo, its all about marking and hard drive warranty, most people will get, on the low end, 4 to 5 years on a drive and some people have reported getting up to 7 years or more. I have an old Series 2 from 2005 that I stopped using in 2011, it still works and has over 6 years on a upgraded PATA drive made in 2005, newer drives are better.
     
  9. slowbiscuit

    slowbiscuit FUBAR

    3,506
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    Sep 19, 2006
    In the ATL
    As usual, massive OCD overthink going on here. As lessd said, any 5400rpm drive will work and they are all equally as random as to when one will fail in the life of a Tivo.

    Seriously, ignore all the kvetching about drive types here folks. Get any green drive you want and plop it in.
     
  10. aaronwt

    aaronwt UHD Addict

    19,188
    25
    Jan 31, 2002
    Northern...
    While the EVO is supposed to be rated for very long life, with the 1TB version writing 50 GB a day is supposed to give it a 32 year life. My Roamio Pro probably writes around 700GB a day based on 5GBs an hour for each of six tuners. Since it is constantly writing data for every tuner. An SSD will not last long enough under the conditions of a DVR. I know I certainly would not want to rely on it. Especially since there are not any benefits(other than noise or heat) in a DVR using an SSD instead of a platter drive. A TiVo has been designed with a platter drive in mind.
     
  11. lessd

    lessd Active Member

    7,695
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    Jan 23, 2005
    CT
    :up:
    :up:
     
  12. Adam1115

    Adam1115 20,000!!! TCF Club

    27,653
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    Dec 15, 2003
    Denver ish
    I'm a little surprised that the Romaio only has a 500 gig drive, but I can just run down the Microcenter and pick up a 2 TB and drop it in and it will work? Should I complete the guided setup first?
     
  13. lpwcomp

    lpwcomp Active Member

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    May 6, 2002
    John's...
    No.
     
  14. Adam1115

    Adam1115 20,000!!! TCF Club

    27,653
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    Dec 15, 2003
    Denver ish
    No it won't work?? Why not? I've been reading the thread, I thought you dint née to image it.
     
  15. HarperVision

    HarperVision TiVo's Italian Cuz!

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    May 14, 2007
    Paradise...
    He's answering the "should I run guided setup" part, not the "can I just drop it in" part.
     
  16. lpwcomp

    lpwcomp Active Member

    8,081
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    May 6, 2002
    John's...
    Sorry, I was answering the second question. You shouldn't complete guided setup first.
     
  17. Adam1115

    Adam1115 20,000!!! TCF Club

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    Denver ish
    Ok cool. Bought a 2 TB Seagate (after reading all of the WD drama...)
     
  18. Adam1115

    Adam1115 20,000!!! TCF Club

    27,653
    31
    Dec 15, 2003
    Denver ish
    Well so much for that idea... The Romaio wouldn't power up with the new drive. (Would turn on and as soon as the hard drive tried to spin up it'd reboot.)

    Guess I'm doing esata.
     
  19. L David Matheny

    L David Matheny Active Member

    1,589
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    Jan 29, 2011
    SE Ohio
    Is it possible that your Seagate drive required too much start-up current? One reason for using AV drives is lower power draw, which also throws off less heat.
     

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