Incomplete sync to external harddrive

[shintetsu]

Hi Community,

Lightroom CC 6.3.1 on MacOS Ventura 13.3.1 (22E261)

I set up the syncing of all Originals to an external HDD. Lightroom "thinks" that it has synced everything (showing "synced and backed up" under the syncing icon) – however when looking at the folder on the HDD a lot of originals are missing (sometimes an entire year of photos). 

When I go into lightroom and select one of the missing photos, to check the info panel, it will say "synced and backed up" for a second or so – but then start "downloading" and only then it gets actually synced onto my HDD.

This means that I'd have to click each photo individually (it only works apparently when the individual photo is loading preview data, not with bulk select) to make sure everything is backed up. With 40k photos not a practical option.

Any suggestions? Thanks in advance!

[Jim Wilde]

In the Lightroom Preferences>Local Storage tab, have you enabled the option to "Store a copy of all originals"? Unless that option is enabled, Lightroom will only store images locally as needed and will remove them again when it determines that they are no longer needed locally. Enabling that option should ensure that a copy of all your originals in the cloud are also stored locally.

[shintetsu]

Hi Jim, thanks for the reply. Yes I have done that with the custom path pointing to my HDD...

I guess in CC there is also no option to "rebuild sync data" as it's the case with Lightroom Classic (?) I wonder where the sync data is stored