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Thread: hdd endurance

  1. #11
    Maximum Bitrate bratnetwork's Avatar
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    Something like that could be useful... But you have to watch out for over heating. If that is the route you would like to go then make sure its well ventilated. Look through the Show Of Your Project thread and also the Worklogs thread under that and see what others with laptop have been doing. Also ask them questions about how it worked out for them and all, bc I have not used a laptop in my car as a CarPC.

  2. #12
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by bratnetwork View Post
    I use the anti-vibration mounts from an MSD ignition box. They are still a nice sturdy mount that doesn't allow things to bounce around. Basically its just a piece of rubber with a stud coming out of both ends. It hold things in place but just absorbs some of the vibrations that the car experiences. Won't do much for pot holes or bumps in the road.

    http://www.jegs.com/i/MSD/121/8823/10002/-1

    I personally don't like the rubber band method either, I was just examples of what some other members have implemented.
    Do you have any proof it helps?
    I can say with certainty the firm mount with no shock or vibration works.
    Multiple installs (6+) and more than one frame bending car wreck with no hardware issues. This is experiance across 12+ years of car computing. (yes, I am an old fart)

    The one time I thought I had a mounting issue turned out to be a wire that was not seated correctly. This caused reboots over some bumps.
    TruckinMP3
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  3. #13
    Maximum Bitrate bratnetwork's Avatar
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    No i can't say that I can prove that it helps at all... Neither can I prove that it had a negative effect...

    I'm not saying that solid mounting does work... I was just replying to his thread asking about hard drive endurance and options of what he can do if he is concerned about it. If someone wants to take extra steps to try to protect their gear I'm going to tell them not to unless its been proven to have a negative effect. I was just offering him ideas to consider if he wanted to do something.

    We all know this is an ongoing debate throughout this whole website and the CarPC world and I'm not saying anyone is right or wrong about it. People have had mixed outcomes with many different mounting methods.

  4. #14
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by bratnetwork View Post
    No i can't say that I can prove that it helps at all... Neither can I prove that it had a negative effect...

    I'm not saying that solid mounting does work... I was just replying to his thread asking about hard drive endurance and options of what he can do if he is concerned about it. If someone wants to take extra steps to try to protect their gear I'm going to tell them not to unless its been proven to have a negative effect. I was just offering him ideas to consider if he wanted to do something.

    We all know this is an ongoing debate throughout this whole website and the CarPC world and I'm not saying anyone is right or wrong about it. People have had mixed outcomes with many different mounting methods.
    Easy... That was not meant to push your buttons. I have been part of many of the mounting discussions here.

    I was hoping for proof one way or the other. I have been told that the rubber band method did actually have failures, but as the party with the failed drive was not able to determine the root cause, it is not proof either.

    Cheers
    TruckinMP3
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  5. #15
    Constant Bitrate
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    The mp3Car store has a Seagate EE25.2 hard drive. From the Seagate literature, they're designed for automotive environments with good shock and vib specs plus a wide temperature range. I'm not sure which one the store has, but the most rugged version operates over -30C to +85C (-22F to +185F). They're going to cost more than a typical laptop drive though and 80GB is the largest one listed in the Seagate literature.

  6. #16
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by Alanh View Post
    The mp3Car store has a Seagate EE25.2 hard drive. From the Seagate literature, they're designed for automotive environments with good shock and vib specs plus a wide temperature range. I'm not sure which one the store has, but the most rugged version operates over -30C to +85C (-22F to +185F). They're going to cost more than a typical laptop drive though and 80GB is the largest one listed in the Seagate literature.
    Why spend the money? This is an expensive solution to a problem that is already solved.

    Buy your favorite desktop HD, mount it firmly to the car and run for years. No issues with temp extremes, vibration, bumps, or car wrecks.

    These drives are much more durable than the driver or the car.... I did the field tests.
    TruckinMP3
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  7. #17
    FLAC
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    The ee25.2 is a great drive. Until ssds come down in price, automotive grade drives are the only thing I would put in my install. I have had too many normal drives die, have bad sectors, or skip during bumps. Most normal drives can handle shock pretty well, but from experience they definately do not handle temperature extremes as well as a proper automotive grade drive. There is a reason why automotive grade units are used in industrial automotive applications over conventional units.

  8. #18
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by nobb View Post
    The ee25.2 is a great drive. Until ssds come down in price, automotive grade drives are the only thing I would put in my install. I have had too many normal drives die, have bad sectors, or skip during bumps. Most normal drives can handle shock pretty well, but from experience they definately do not handle temperature extremes as well as a proper automotive grade drive. There is a reason why automotive grade units are used in industrial automotive applications over conventional units.
    opinions vary. I will stand by my experiance. You are welcome to fund new research by purchasing expensive equipment if you like.
    TruckinMP3
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  9. #19
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    Quote Originally Posted by nobb View Post
    The ee25.2 is a great drive. Until ssds come down in price, automotive grade drives are the only thing I would put in my install. I have had too many normal drives die, have bad sectors, or skip during bumps. Most normal drives can handle shock pretty well, but from experience they definately do not handle temperature extremes as well as a proper automotive grade drive. There is a reason why automotive grade units are used in industrial automotive applications over conventional units.
    You're in Canada, so the cold is probably harder on a drive. I've never had any fail outright from cold temps. I've had a laptop drive freeze up from the fluid bearing getting sluggish but it worked fine once it heated up.

    If you aren't in extreme cold, I'd advise buying a cheap hard drive, slapping it in and buying a new one when/if it fails. They are so inexpensive the cost differential for an automotive grade one doesn't make sense to me unless you are a manufacturer or it is mission critical.
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  10. #20
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Quote Originally Posted by Bugbyte View Post
    You're in Canada, so the cold is probably harder on a drive. I've never had any fail outright from cold temps. I've had a laptop drive freeze up from the fluid bearing getting sluggish but it worked fine once it heated up.

    If you aren't in extreme cold, I'd advise buying a cheap hard drive, slapping it in and buying a new one when/if it fails. They are so inexpensive the cost differential for an automotive grade one doesn't make sense to me unless you are a manufacturer or it is mission critical.
    For reference my set up handled single digit temps in Fahrenheit or negative teens in Celsius. I am currently using the cheapest desktop SATA drive I could find from the local discount hardware shop at the time of the last hardware change.

    I know results vary but this tells me cold temp should not be a barrier.
    TruckinMP3
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