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 Post subject: Technical question
PostPosted: Sat Jul 17, 2021 9:47 am 

Joined: Fri Jul 01, 2016 6:55 pm
Posts: 741
Location: Texas
Are data HDD’s and Video HDD’s interchangeable?
I cant find a straight “yes or no” answer to this.
From what I can figure out data HDD’s are intended intermittent running and use smaller blocks for data storage. While video HDD’s are intended to run constantly and use larger blocks for video storage.

Well really what I am asking here is: will video HDD from L3 mobile vision DVR work in a computer?


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 Post subject: Re: Technical question
PostPosted: Sun Jul 18, 2021 9:07 am 

Joined: Fri Jul 01, 2016 6:55 pm
Posts: 741
Location: Texas
I finally found the answer to this. They can be used in computers, they just have to be re-formatted for data.


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 Post subject: Re: Technical question
PostPosted: Mon Jul 19, 2021 4:38 pm 
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Joined: Tue Feb 03, 2015 6:57 pm
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The drive you find inside something, doesn’t make much of a difference.

Video DVRs like for security systems tend to be low peripheral bd enterprise drives.
Fyi: enterprise ≠ quality on name alone.
Enterprise drives use over provisioning. The basis of the later method used for SSM.

The drive is partitioned with an overflow area. As errors occur the drive simply moves on to a new spot and marks the old one bad.

Ideally you’d delete a drive, not reformat it. If your OS supports it he file system.
Which could keep the drive’s provisioning in tact.

The one thing to remember is these are rarely high end drives. They’re meant for continued use and discard sectors.

I wouldn’t use it for anything important.

One of the more reliable drives I’ve found for reuse is actually the drive from the Xbox one.

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 Post subject: Re: Technical question
PostPosted: Tue Jul 20, 2021 9:15 pm 

Joined: Fri Jul 01, 2016 6:55 pm
Posts: 741
Location: Texas
I pick the lot of L3 stuff up in the morning, is there away to tell if they are good for anything other than DVR?


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 Post subject: Re: Technical question
PostPosted: Tue Jul 20, 2021 9:48 pm 
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Without photos or model numbers, not easily y

A quick note though if you can see the backs/sides:
https://en.wikipedia.org/wiki/Serial_At ... Connectors
https://en.wikipedia.org/wiki/SCSI_connector

You see these the controller is onboard. That’s an expensive SCSI or SAS hard drive. The only two mechanical types I go through the trouble and risk of reselling.
$20 is lowball. But most range $75-$150 used.
Fast cash.

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 Post subject: Re: Technical question
PostPosted: Wed Jul 21, 2021 3:41 pm 

Joined: Fri Jul 01, 2016 6:55 pm
Posts: 741
Location: Texas
Scratch that idea these have flash drives instead of hard drives :(


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 Post subject: Re: Technical question
PostPosted: Wed Jul 21, 2021 4:36 pm 
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Wow. Removable or soldered?

As long as they’re not permalocked SD just format them to ext3 or exfat and you can sell them.

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 Post subject: Re: Technical question
PostPosted: Wed Jul 21, 2021 6:47 pm 

Joined: Fri Jul 01, 2016 6:55 pm
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Location: Texas
This is how it breaks down. Most of them have SD cards not sure if they work or not.


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 Post subject: Re: Technical question
PostPosted: Wed Jul 21, 2021 7:08 pm 
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Nice wireless card at least.
So low peripheral, high peripheral, and high gold finger card

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 Post subject: Re: Technical question
PostPosted: Wed Jul 21, 2021 7:31 pm 

Joined: Fri Jul 01, 2016 6:55 pm
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Location: Texas
You beat me to it lol
I said flash drive earlier, but I think I was wrong in saying that?


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