[Borgbackup] FileExistsError re nonce.tmp / nonce

[Michael Siepmann]

I'd appreciate any help anyone can offer on this error I'm getting when
trying to do a backup - with a script that was previously working fine.
I'll paste the relevant part of the log below, but the main error seems
to be this:

FileExistsError: [Errno 17] File exists:
'/mnt/synology/Qubes-personal/nonce.tmp' ->
'/mnt/synology/Qubes-personal/nonce'

I tried deleting nonce and nonce.tmp before running the backup, but I
still got this error. Here's the full log excerpt:

===

Creating archive at
"/mnt/synology/Qubes-personal::{hostname}-{now:%Y-%m-%d_T%H:%M}"
Local Exception
Traceback (most recent call last):
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 4529,
in main
    exit_code = archiver.run(args)
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 4461,
in run
    return set_ec(func(args))
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 166,
in wrapper
    return method(self, args, repository=repository, **kwargs)
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 574,
in do_create
    create_inner(archive, cache)
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 537,
in create_inner
    read_special=args.read_special, dry_run=dry_run, st=st)
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 651,
in _process
    read_special=read_special, dry_run=dry_run)
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 651,
in _process
    read_special=read_special, dry_run=dry_run)
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 651,
in _process
    read_special=read_special, dry_run=dry_run)
  [Previous line repeated 1 more time]
  File "/usr/lib64/python3.7/site-packages/borg/archiver.py", line 625,
in _process
    status = archive.process_file(path, st, cache)
  File "/usr/lib64/python3.7/site-packages/borg/archive.py", line 1071,
in process_file
    self.chunk_file(item, cache, self.stats,
backup_io_iter(self.chunker.chunkify(fd, fh)))
  File "/usr/lib64/python3.7/site-packages/borg/archive.py", line 999,
in chunk_file
    item.chunks.append(chunk_processor(data))
  File "/usr/lib64/python3.7/site-packages/borg/archive.py", line 987,
in chunk_processor
    chunk_entry = cache.add_chunk(self.key.id_hash(data), data, stats,
wait=False)
  File "/usr/lib64/python3.7/site-packages/borg/cache.py", line 897, in
add_chunk
    data = self.key.encrypt(chunk)
  File "/usr/lib64/python3.7/site-packages/borg/crypto/key.py", line
370, in encrypt
    self.nonce_manager.ensure_reservation(num_aes_blocks(len(data)))
  File "/usr/lib64/python3.7/site-packages/borg/crypto/nonces.py", line
85, in ensure_reservation
    self.commit_repo_nonce_reservation(reservation_end, repo_free_nonce)
  File "/usr/lib64/python3.7/site-packages/borg/crypto/nonces.py", line
48, in commit_repo_nonce_reservation
    self.repository.commit_nonce_reservation(next_unreserved, start_nonce)
  File "/usr/lib64/python3.7/site-packages/borg/repository.py", line
346, in commit_nonce_reservation
    fd.write(bin_to_hex(next_unreserved.to_bytes(8, byteorder='big')))
  File "/usr/lib64/python3.7/site-packages/borg/platform/base.py", line
176, in __exit__
    os.replace(self.tmppath, self.path)
FileExistsError: [Errno 17] File exists:
'/mnt/synology/Qubes-personal/nonce.tmp' ->
'/mnt/synology/Qubes-personal/nonce'

Platform: Linux personal 4.19.132-1.pvops.qubes.x86_64 #1 SMP Tue Jul 14
03:42:21 UTC 2020 x86_64
Linux: Fedora 30 Thirty
Borg: 1.1.11  Python: CPython 3.7.7 msgpack: 0.5.6
PID: 25754  CWD: /home/user/Apps/ScriptsByMMS
sys.argv: ['/usr/bin/borg', 'create', '-v', '--stats', '--compression',
'zlib,5',
'/mnt/synology/Qubes-personal::{hostname}-{now:%Y-%m-%d_T%H:%M}',
'/home', '--exclude', '/home/*/.cache', '--exclude',
'/home/*/.local/share/Trash', '--exclude', '/home/user/Downloads/NOT
backed up', '--exclude', '/home/user/Seafile/mra
y', '--exclude', '/home/user/Seafile/snowdrift-design']
SSH_ORIGINAL_COMMAND: None

===

Thank you,

Michael Siepmann

-- 

Michael Siepmann, Ph.D.
*The Tech Design Psychologist*™
/Shaping technology to help people flourish/™
303-835-0501   TechDesignPsych.com
<http://www.TechDesignPsych.com?id=esig>   OpenPGP: 6D65A4F7
<http://pool.sks-keyservers.net/pks/lookup?search=0x6D65A4F7&fingerprint=on&hash=on&op=vindex>
 

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