Photo Library Repairing stuck at 99%.... Help

I have the same problem except my HDD is formatted as Mac OS Extended (Journaled). It's been stuck on 99% for a good while and the total process has taken about 26 hours at this point, with no end in sight. My library is about 140 GB. I reached out to Apple support about this issue and they just told me to wait a bit longer.

I can see that there are a few processes in the Activity Monitor related to the Photos app that appear and reappear, so I guess it's doing something. Once every few hours the "Date Modified" for the Photos library in Finder updates too

simple

My photo database has been put on a NAS mapped to the MBP as a drive. I am using a 2012 MBP w/ Retina Display running on High Sierra 10.13.3. Please help!

The Photos library can not be on a NAS as you have leaned by trying to do it - Where is it safe to store a Photos Library? Requirements for the external drive

Put is on a properly formatted local drive and hopefully it has not been damaged by being on a NAS - if it has not been damaged you will be fine once it is properly located

LN

How large is your Library? The repair may take a day or more without any visible progress if the library is very large. And interrupting a repair can damage the library further.

At least, while trying to repair the library move it to a locally mounted drive, formatted correctly as MacOS Extended (Journaled) and not case sensitive and not used by Time Machine. Can you repair the library at all?

vanyuen wrote:

But it works fine before......

You have been lucky for a long time. A Photos Library can be damaged beyond repair, when being used on a NAS - it has not been designed to work on a network share, see: Sharing photo libraries among multiple users - Apple Support

Connect an external USB, FireWire, or Thunderbolt drive which has enough free space to contain the library.
Be sure to choose a locally mounted drive. Storing your library on a network share can lead to poor performance, data corruption, or data loss.

Exact same problem? Exact same answer!

The Photos library can not be on a NAS as you have leaned by trying to do it - Where is it safe to store a Photos Library? Requirements for the external drive

Put is on a properly formatted local drive and hopefully it has not been damaged by being on a NAS - if it has not been damaged you will be fine once it is properly located

LN

One day of repairing should suffice for a library of your size.

Just wanna ask, I am currently doing Photo backup to my iCloud (but not photo sharing), if I have selected the "Optimize Storage" on my iphone, can the old pic (i.e. the original one that have been uploaded to the iCloud) sync with the Photo library in its original file size instead of the downsized version stored from the iPhone for preview only

iCloud Photo Library is storing all photos in the full resolution in iCloud, exactly the original files you uploaded to iCloud. From there the photos will sync to your devices and it will depend on your preferences on each device, if the photos will download to the device optimized or as the full sized original.

If all photos are currently in iCloud, also the most recently imported photos, you could simply delete your current photos library and create a new empty library. Enable this library as your iCloud Photo Library and wait for the photos to download back from iCloud. This should recreate all albums, metadata, and edits. The only things that will be missing, will be your projects. If you have projects that you need to save, you will have to restore the library from a backup, if the repair does not succeed.

vanyuen wrote:

But it works fine before......

then you were lucky - some people have had it work for a long time but it will quit working and even when you thin it is working errors may be occurring that will cause lost data in the future - - as you can see it is not working now and Apple has documented that the library can not be on a NAS - it must be on a local volume which is the solution for your problem

LN

Hi i am having the exact issues going on 14 hours and it is stuck on 99%. Trying to get a genius bar appointment because the rep that called was bo help whatsoever. I had 10000 pictures that have somehow disappeared and got prompted to repair the library. Pls any advise

Are you perhaps running low on storage on the system drive? If the free storage on the system drive is dropping below 10GB, try to free storage. Photos needs working space when upgrading a library.

But let Photos run and do not interrupt it.

Just to be sure - the library is on your system drive and not on a NAS as described in the original post?

if repairing the library does not work, restore an earlier version of your library from your backup.

Just to be sure - the library is on your system drive and not on a NAS as described in the original post?

External USB-connected HDD, not NAS.

However, I have an update. After waking up this morning it was still "repairing" at 99%. I decided that 48 hours was too much and aborted the process. I turned off my computer and turned it back on. I tried opening the Photos app and it said the library was corrupted and had to be repaired so I started the process again. It took about an hour or two and then it was done!

What the Photos app is doing now is apparently slowly re-uploading my entire library to iCloud which is just... great. lol. But at least the repair process worked.

Just a tip if anyone has the same problem, make sure to shut down and then turn on your computer, not just restart. The way I understand it is that a complete shut down gets rid of more cache stuff, removes the power completely from the RAM, etc.