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nextcloud
iOS Photo Roll Uploads 0-Byte Files When Device is Out Of Disk Space
Expected behaviour
A warning or error displayed to the user to instruct the user that the device does not contain enough free space to hold the cache for the Photo Roll transfer.
Actual behaviour
The Nextcloud app uploads the Photo Roll, but because not enough free space exists, some or all of the photos are uploaded as 0-byte files. No errors or warnings are displayed, and no anomalous log entries are generated.
Steps to reproduce
Use an iOS device which is out of storage space and attempt to upload a large number of photos to the Nextcloud instance.
Reasoning or why should it be changed/implemented?
A user may be unaware that they require significant free disk space in order to initiate a Photo roll transfer. If a user is not warned and no error is displayed, they will perhaps believe that the issue exists with the forward proxy or the Nextcloud application. Several such errors appear to already have been filed in GitHub related to this - fixing this could help cut down the number of bugs / help requests.
iOS version
14.1
App version
3.3.1.1
Server configuration
Nextcloud as TrueNAS plugin with Nginx as an HTTPS forward proxy.
Operating system: TrueNAS 12
Web server: Nginx
Database: default
PHP version: default
Nextcloud version: (see Nextcloud admin page) 21.0.0
Also having this problem. An error would've saved a good few hours troubleshooting!
Not sure how it works within the app, but instead of trying to upload all the photos at once it could be an option to upload month-by-month or whatever interval is necessary for the remaining space. In this case, there are about 16,000 photos with only about 4GBs remaining, which should be enough space to do something with.
Potentially - On my device, I did notice sporadic 0-byte files as uploads were attempted and I followed similar advice in my efforts to debug, with similar results. In testing it would seemingly fail on specific files even though those files were fine. I believe it to be a symptom where the device simply ran out of temporary disk storage at that point in the upload consistently.
On Sun, Aug 29, 2021 at 9:19 PM Evan Harris @.***> wrote:
Is this potentially a duplicate of #1395 https://github.com/nextcloud/ios/issues/1395?
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It seems like this issue persists to current versions of the application and occurs when the un-uploaded photo roll exceeds the currently available disk space on the device.