It's worth noting also, this drive should not hold the only copy of anything.
As the old saying goes, "two is one and one is none".  Every important file 
should be in at least two, and preferably three or more, places.
Also, data on "consumer grade" external USB flash drives should, generally, be 
copied to a new drive about every 3 years if you want to be extra safe.

On 7/4/25 09:45, Michael via PLUG-discuss wrote:
thanks... I'm not as scared now


On Fri, Jul 4, 2025 at 12:43 PM Ryan Petris via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

I've had NVME drives in usb enclosures disconnect under load; I don't know
if it was because they weren't responding fast enough, or they shut off due
to not being able to get enough power or due to heat. I've also had some
SATA USB controllers for older drives not implement UAS properly and would
disconnect because they weren't properly responding to commands.

If it's the later you could try disabling UAS; if that is the cause you'll
loose a bit of speed but have a more reliable connection. I found this
article
<https://leo.leung.xyz/wiki/How_to_disable_USB_Attached_Storage_(UAS)>
which explains well how to disable it.

Also, you should be able to look in the journal to see why it
disconnected. `journalctl -b` will give you the current boot logs and you
can page down to the time it disconnected to see what happened.

On Fri, Jul 4, 2025, at 8:56 AM, Michael via PLUG-discuss wrote:

I was looking for a picture on my backup media when the drive disappeared
on thunar. That made me scared! I thought I lost all my pictures. I
unplugged it then reinserted it but still it was not present. I switched
ports but still no good. I put it back the way I originally had it and all
was good. Any ideas as to why this would happen?
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