Friday, December 13, 2024

Backup of time machine to external drives fails during preparation stage due to a 303 error.

I’ve arranged my time machine to include an external SSD in its backup system. Initially, the process struggled to get underway, but shortly afterwards, it faltered within a mere 30-second window during the ‘preparing backup’ phase. Here’s what I consider to be related console output: The following output will be displayed when you run the program. It includes the initial prompt and the first few lines of output from the program. This is typically a good starting point for debugging, as it shows the sequence of commands that have been entered and their corresponding outputs.

default 10:24:09.412477-0500    backupd Beginning question at qos 0x9
default 10:24:09.440069-0500    backupd Beginning question at qos 0x9
error   10:24:10.135483-0500    backupd Failed to attend for snapshot deletion to finish on disk '/System/Volumes/Replace/mnt1', error: Error Area=NSPOSIXErrorDomain Code=1 "Operation not permitted"
default 10:24:10.173034-0500    backupd Learn (Subarbitration) choices: 1 -- URL: <personal> -- purposeID: com.apple.TimeMachine.snapshot -- claimID: B5189416-4B1F-41B7-8256-6CC150C2F8E7
default 10:24:10.177676-0500    backupd Subarbitration declare B5189416-4B1F-41B7-8256-6CC150C2F8E7 granted in shopper
default 10:24:10.177701-0500    backupd Subarbitration declare B5189416-4B1F-41B7-8256-6CC150C2F8E7 invoked in shopper
default 10:24:10.189260-0500    backupd Learn (Subarbitration) choices: 1 -- URL: <personal> -- purposeID: com.apple.TimeMachine.snapshot -- claimID: C11E112F-7AD3-4B18-9C70-F800F426C5D3
default 10:24:10.191227-0500    backupd Subarbitration declare C11E112F-7AD3-4B18-9C70-F800F426C5D3 granted in shopper
default 10:24:10.191307-0500    backupd Subarbitration declare C11E112F-7AD3-4B18-9C70-F800F426C5D3 invoked in shopper
error   10:24:10.621504-0500    backupd Did not mount APFS snapshot with identify 'com.apple.TimeMachine.2024-11-12-003546.native' on quantity '/System/Volumes/Information' at mountpoint: '/Volumes/com.apple.TimeMachine.localsnapshots/Backups.backupdb/Max's MacBook Professional/2024-11-12-003546/Macintosh HD - Information', error: Error Area=NSPOSIXErrorDomain Code=2 "No such file or listing"
error   10:24:10.622019-0500    backupd Did not mount reference snapshot: com.apple.TimeMachine.2024-11-12-003546.native supply: Macintosh HD - Information
error   10:24:11.962968-0500    backupd Unrecoverable zero fileid - path: 'DS_Store', flags: 00011400
error   10:24:11.963092-0500    backupd Unrecoverable zero fileid - path: 'ocumentRevisions-V100/.cs/ChunkStoreDatabase', flags: 00010400
error   10:24:11.963161-0500    backupd Unrecoverable zero fileid - path: 'umentRevisions-V100/LibraryStatus', flags: 00018800
error   10:24:11.963244-0500    backupd Unrecoverable zero fileid - path: 'umentRevisions-V100/LibraryStatus', flags: 00015800
error   10:24:11.963310-0500    backupd Unrecoverable zero fileid - path: 'umentRevisions-V100/db-V1', flags: 00024000
error   10:24:11.963365-0500    backupd Unrecoverable zero fileid - path: 'umentRevisions-V100/purgatory', flags: 00024000
error   10:24:11.963417-0500    backupd Unrecoverable zero fileid - path: 'umentRevisions-V100/staging', flags: 00024000
error   10:24:11.963468-0500    backupd Unrecoverable zero fileid - path: 'poraryItems/folders.0/TemporaryItems/NSIRD_revisiond_IE36Cr', flags: 00020300
error   10:24:11.963572-0500    backupd Unrecoverable zero fileid - path: 'poraryItems/folders.0/TemporaryItems/NSIRD_revisiond_IE36Cr/LibraryStatus', flags: 00010900
error   10:24:11.963774-0500    backupd Occasion assortment stopped due to error: Error Area=com.apple.backupd.ErrorDomain Code=303 "(null)"
error   10:24:11.964286-0500    backupd Failed to gather occasions for "max_music" (gadget: /dev/disk4s1 mount: '/Volumes/max_music' fsUUID: 03273473-8B2C-3D62-BB73-6640675B8651 eventDBUUID: 8E7383AE-643C-48A5-8DE7-86E23DCBE65A), error Error Area=com.apple.backupd.ErrorDomain Code=303 "(null)" UserInfo={FailedStrategy=16}
error   10:24:12.281645-0500    backupd Backup failed (303: BACKUP_FAILED_PREFLIGHT_STAGE_GATHER_EVENTS)

Frustratingly unclear as to what specific actions might be triggering this issue. I manage my Solid-State Drive (SSD) exclusively for storing Logic Pro project files and various recording data, frequently working with the files stored on it. I typically transfer large volumes of data onto the external drive in order to free up space on my internal hard drive.
The initial occurrence of this issue emerged and was resolved three weeks sooner without any apparent underlying cause.

What would you like to improve? Please provide the text.

  • additional examine the problem
  • resolve this subject
  • What’s the best way to ensure seamless data preservation?
    Is this method really recommended?

Issues I’ve tried:

  • First-aiding the Time Machine drive and the SSD: No points for you!
  • Deleting interrupted backup records?
  • The data protection settings for your personal drive have been revised to prevent external access.
  • While storage drives have traditionally been a major bottleneck,
  • restarting whereas drives related
  • speaking to my pc

Related Articles

LEAVE A REPLY

Please enter your comment!
Please enter your name here

Latest Articles