Re: HDD for CCTV

From	mick crane <mick.crane@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: HDD for CCTV
Date	2020-11-13 09:40 +0100
Message-ID	<BaCMG-2JU-7@gated-at.bofh.it> (permalink)
References	<BaC9Y-2i0-5@gated-at.bofh.it> <BaC9Y-2i0-3@gated-at.bofh.it> <BaCtj-2DB-1@gated-at.bofh.it>
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On 2020-11-13 08:11, Reco wrote:
> Hi.
> 
> On Fri, Nov 13, 2020 at 07:56:24AM +0000, mick crane wrote:
>> regarding earlier post with do not reply request.
>> There's loads of HDDs advertised as "for CCTV, like a PC disk"
>> Is there some difference between HDDs for video recording and regular 
>> PC HDDs ?
> 
> Yup, a critical one.
> Conventional HDD (aka CMR) it the thing that allows you to use it any
> way you want.
> New wave HDD (aka SMR) are OK if you use them to write a single
> append-only file, and dangerously bad at anything else.
> 
> Stay away from those CCTV HDDs, things will eat your data - [1], [2],
> [3].
> 
> Reco
> 
> [1] https://en.wikipedia.org/wiki/Shingled_magnetic_recording
> [2] 
> https://www.truenas.com/community/resources/list-of-known-smr-drives.141/
> [3] 
> https://www.tomshardware.com/news/wd-lists-all-drives-slower-smr-techNOLOGY


Cheers, likely saved me some grief there.
mick
-- 
Key ID    4BFEBB31

Thread

HDD for CCTV mick crane <mick.crane@gmail.com> - 2020-11-13 09:00 +0100
  Re: HDD for CCTV Reco <recoverym4n@enotuniq.net> - 2020-11-13 09:20 +0100
    Re: HDD for CCTV mick crane <mick.crane@gmail.com> - 2020-11-13 09:40 +0100
  Re: HDD for CCTV "Alexander V. Makartsev" <avbetev@gmail.com> - 2020-11-13 10:00 +0100

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