Normal household:
"I need to free space on my phone"
*Delete pictures that are synced to Google photos*

My household mental gymnastics:
"I need to free space on my phone"
"Let's start by copying images to my computer"
*Discover a bug in Dolphin when using MTP*
*Report the bug*
*Figure out a workaround*
*Copy the pictures*
*Update immich*
*Upload pictures to the NAS*
*Wait for it to process*
*Make a zfs snapshot*
*Finally delete the photos from the phone*

@dimmfox You got MTP to not be unusably slow‽
@jackemled I think it copied 30+ Gigs of stuff in about 40 minutes. At normal USB 2.0 speeds this *should* have taken 12 minutes...
@dimmfox awful💔
I have been using rsync from Termux for this.

@jackemled I was considering starting an ftp server (pyftpdlib is great for quick and dirty one time servers) but it sounded too silly in my mind so I didn't. (As if whatever I ended up doing wasn't silly as well).

But yeah rsync might be a good approach for incremental backups 

@dimmfox Alternatively, tar can also tape to a remote destination. You're using ZFS though, so you really don't need anything you would get out of tar & it might be better to just use snapshots like you're already doing.
@jackemled I have a low power cash register tier computer at a remote location of some relatives and dumping zfs snapshots as backups to it is great. I love zfs so much!