Re: HDD for CCTV
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
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