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Testing the Limits - Upper USB Drive Sizes

Washout

Member
Sep 24, 2021
118
83
UK
Hi all,
I did a quick search and couldn't see anything specific to this, so here goes:
Now I have my VIN I'm looking to get things ready for delivery and on the list is upgrading the supplied Sentry CAM USB stick (goes in the glove box according to the manual) and I'm thinking of going "to the max" of FAT32 i.e. 2TB, so I'm not constantly having to housekeep the thing.
Also from the manual I think I can have another USB drive in the central forward bin and as I have a fairly large library will likely stick a 1TB drive in there.

Question is before I go buying the Samsung T5 drives (T7 looks to be overkill) from Uncle Jeff, does anyone see an issue with this as a setup (other than the library likely taking an age to get indexed into the car's computer)?
 

SpareHeadOne

Member
Oct 27, 2020
465
334
UK
I use a 256Gb mSATA in an external caddy for Sentry/TeslaCam and I've not had to housekeep it in the 10 months I've owned the car because it automatically overwrites the oldest clips when necessary unless you've specifically saved them.

So unless you think you'll be keeping thousands of clips, I wouldn't bother with anything particularly large as you probably won't need it.
 

LoudMusic

Member
Jul 21, 2020
876
957
Arkansas
I use a 256Gb mSATA in an external caddy for Sentry/TeslaCam and I've not had to housekeep it in the 10 months I've owned the car because it automatically overwrites the oldest clips when necessary unless you've specifically saved them.

So unless you think you'll be keeping thousands of clips, I wouldn't bother with anything particularly large as you probably won't need it.


Same here, but 16 months and 32,000 miles. There's no housekeeping to do. In fact you could probably do with just 16 GB.
 

Durzel

Active Member
Jul 17, 2019
3,940
2,910
Bath, UK
Sentry clips are kept indefinitely, as is anything you save manually. The rest (daily driving) is continuously overwritten.

I've got a 500GB SSD that was partitioned 128GB for Sentry/dashcam and the rest for music, and I did get a message a few months ago about storage getting full. This ended up being because I'd never deleted a single Sentry video since I got the car, just watched them when I got in and set off.

Realistically though you're going to want to delete them after a while, because it's broadly pointless keeping them? Sentry is pretty sensitive so if you park in a supermarket you'll probably come back to "incidents" where several people have dared to walk past the front of your car, etc rather than because anything meaningful happened.

You could stick a bigger hard drive in there, but you're only kicking the problem down the road. I've since repartitioned my SSD to be 50/50 and wiped everything that was irrelevant, and figured I'll spent 10 minutes or so every so often going through every clip in the car and wiping them to keep it reasonably maintained.
 
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VanillaAir_UK

Well-Known Member
Jun 17, 2019
8,972
6,568
Surrey, UK
imho, no point having too large a large media drive. It doesn't give you anything other than more space to fill with stale saved dashcam videos. Its not like its going to allow longer drives to be recorded, it only saves what you tell it to save. The only benefit that I can see is if you leave the car with sentry mode on for weeks on end without it starting to overwrite the oldest clips.
 
New cars come with at 128GB Tesla memory stick that is more than sufficient for sentry and dashcam usage.

I bought one of these (Samsung Portable SSD https://www.amazon.co.uk/dp/B087DG2BH) prior to getting the car and tbh the real issue is it’s too big. When empty, reviewing sentry mode incidents was quick and easy, but as it’s filled up it’s got slower and slower as it seems to need to read and catalog all the previous sentry incidents before showing the most recent ones. Can wait a minute or more now to review the people that just walked past the car in the supermarket car park.

If I delete all the sentry stuff it goes fast again, so there is definitely such a thing as too big.
 
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SpareHeadOne

Member
Oct 27, 2020
465
334
UK
Sentry clips are kept indefinitely, as is anything you save manually. The rest (daily driving) is continuously overwritten.

I've got a 500GB SSD that was partitioned 128GB for Sentry/dashcam and the rest for music, and I did get a message a few months ago about storage getting full. This ended up being because I'd never deleted a single Sentry video since I got the car, just watched them when I got in and set off.

Oh, that's not what it says will happen in the manual for 2021.12.25:

NOTE: As the USB flash drive runs out of available space, the oldest footage in Sentry Clips is deleted to make room for new footage. Once deleted, you are unable to retrieve them. When the flash drive is full, Sentry Mode and Dashcam can no longer save video footage. To prevent the flash drive from getting full, you must regularly move saved videos to another device, and delete them from the flash drive.

Somewhat confused wording, but I expected that to mean it would only keep videos you save yourself, anything else is fair game - with Sentry clips kept as long as possible but not indefinitely. I guess I'll find out if my drive does the same thing at some point.
 

Durzel

Active Member
Jul 17, 2019
3,940
2,910
Bath, UK
Oh, that's not what it says will happen in the manual for 2021.12.25:



Somewhat confused wording, but I expected that to mean it would only keep videos you save yourself, anything else is fair game - with Sentry clips kept as long as possible but not indefinitely. I guess I'll find out if my drive does the same thing at some point.
I didn't let it get as far as being completely full, but I definitely got a message to tell me that it was running out of space. Surely if it takes care of that stuff itself why would it bother informing me?
 

VanillaAir_UK

Well-Known Member
Jun 17, 2019
8,972
6,568
Surrey, UK
It will still run out of space if you accumulate saved dash cam footage. They will never be overwritten unless you manually delete.

I wish there was a quick way to delete multiple clips. Format doesn’t work if you have more than one media drive. I have separate stick for audio and even when I removed that format was not available. Sounds like that’s a legacy of older times when we had to prepare the drives and watch the clips in third party devices.
 

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