Hi Joshua,
Thanks for helping figure this out. I hesitate to file it as a bug immediately because I am not sure how to describe or what went wrong and where exactly... So if you can tell more from the syncdeamon.log file, here is a snippet regarding the first of the backup volume files. All other files have similar log entries.
Should I go ahead and make a report about it?
...
2009-10-23 18:21:09,309 - ubuntuone.SyncDaemon.Main - NOTE - ---- MARK (state: IDLE; queues: metadata: 0; content: 0; hash: 0, fsm-cache: hit=18 miss=5) ---- 2009-10-23 18:22:20,618 - ubuntuone.SyncDaemon.sync - INFO - T:NONE:F ffde4a65-2933-48e7-a426-f05c48a03321 [root:ffde4a65-2933-48e7-a426-f05c48a03321] ''Ubuntu One/duplicity-full.2009-10-23T18:22:11+02:00.vol1.difftar.gpg'' | Called new_local_file (In: F:NA:NA) 2009-10-23 18:22:20,656 - ubuntuone.SyncDaemon.sync - INFO - T:NONE:F ffde4a65-2933-48e7-a426-f05c48a03321 [root:ffde4a65-2933-48e7-a426-f05c48a03321] ''Ubuntu One/duplicity-full.2009-10-23T18:22:11+02:00.vol1.difftar.gpg'' | Called calculate_hash (In: T:NONE:F) 2009-10-23 18:22:20,805 - ubuntuone.SyncDaemon.sync - INFO - T:LOCAL:F ffde4a65-2933-48e7-a426-f05c48a03321 [root:ffde4a65-2933-48e7-a426-f05c48a03321] ''Ubuntu One/duplicity-full.2009-10-23T18:22:11+02:00.vol1.difftar.gpg'' | Called put_file (In: T:NONE:F) 2009-10-23 18:22:21,047 - ubuntuone.SyncDaemon.ActionQueue - WARNING - MakeFile share:'' node:'ffde4a65-2933-48e7-a426-f05c48a03321' MakeFile(marker="'ffde4a65-2933-48e7-a426-f05c48a03321'", parent_id="'e9985643-5875-4961-ac5a-a2139eb70c62'", share_id="''", name="u'duplicity-full.2009-10-23T18:22:11+02:00.vol1.difftar.gpg'") failure INVALID_FILENAME 2009-10-23 18:22:21,052 - ubuntuone.SyncDaemon.sync - INFO - -:-:- ffde4a65-2933-48e7-a426-f05c48a03321 [-:-] ''-'' | Called file_not_created_remove (In: T:LOCAL:F) 2009-10-23 18:22:21,056 - ubuntuone.SyncDaemon.ActionQueue - WARNING - Upload share:'' node:'ffde4a65-2933-48e7-a426-f05c48a03321' Upload(share_id="''", hash="'sha1:f0bef99ebda24085deb001afaa51fc56b47a5595'", fileobj_factory='<bound method FSKey.open_file of <ubuntuone.syncdaemon.sync.FSKey object at 0x2b78230>>', node_id="'ffde4a65-2933-48e7-a426-f05c48a03321'", crc32='2596473747L', previous_hash="''", size='5212248') unable to build fileobj (user deleted the file, maybe?) so cancelling the upload. 2009-10-23 18:22:21,062 - ubuntuone.SyncDaemon.ActionQueue - WARNING - Upload share:'' node:'ffde4a65-2933-48e7-a426-f05c48a03321' Upload(share_id="''", hash="'sha1:f0bef99ebda24085deb001afaa51fc56b47a5595'", fileobj_factory='<bound method FSKey.open_file of <ubuntuone.syncdaemon.sync.FSKey object at 0x2b78230>>', node_id="'ffde4a65-2933-48e7-a426-f05c48a03321'", crc32='2596473747L', previous_hash="''", size='5212248') failure CANCELLED 2009-10-23 18:22:21,063 - ubuntuone.SyncDaemon.sync - INFO - -:-:- - [:ffde4a65-2933-48e7-a426-f05c48a03321] ''-'' | Called nothing (In: F:NA:NA) ...