{"action":"created","issue":{"url":"https://api.github.com/repos/borgbackup/borg/issues/1675","repository_url":"https://api.github.com/repos/borgbackup/borg","labels_url":"https://api.github.com/repos/borgbackup/borg/issues/1675/labels{/name}","comments_url":"https://api.github.com/repos/borgbackup/borg/issues/1675/comments","events_url":"https://api.github.com/repos/borgbackup/borg/issues/1675/events","html_url":"https://github.com/borgbackup/borg/issues/1675","id":180522956,"number":1675,"title":"Prune: Chunk ID missing from chunks index, corrupted chunks index - aborting transaction.","user":{"login":"imba3r","id":355057,"avatar_url":"https://avatars.githubusercontent.com/u/355057?v=3","gravatar_id":"","url":"https://api.github.com/users/imba3r","html_url":"https://github.com/imba3r","followers_url":"https://api.github.com/users/imba3r/followers","following_url":"https://api.github.com/users/imba3r/following{/other_user}","gists_url":"https://api.github.com/users/imba3r/gists{/gist_id}","starred_url":"https://api.github.com/users/imba3r/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/imba3r/subscriptions","organizations_url":"https://api.github.com/users/imba3r/orgs","repos_url":"https://api.github.com/users/imba3r/repos","events_url":"https://api.github.com/users/imba3r/events{/privacy}","received_events_url":"https://api.github.com/users/imba3r/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":17,"created_at":"2016-10-02T17:15:14Z","updated_at":"2016-10-06T12:22:37Z","closed_at":null,"body":"I am using borg create backups from my Arch Linux desktop to my NAS running Ubuntu 16.04. Both have borg 1.0.7 installed.\r\n\r\n`borg create --compression none -v --stats --progress \"borg@node:/tank/backups/borg/bastion::$(hostname)-$(date +%Y-%m-%d)\" /home /etc (... excludes)`\r\n\r\nAfter the backup I prune using the following command which now gives me an error:\r\n\r\n```\r\n$ borg prune -v borg@node:/tank/backups/borg/bastion  --prefix `hostname`- --keep-daily=7 --keep-weekly=4 --keep-monthly=6\r\nChunk ID 0d5f6acbf1ad96a7a619e080bb1752c815df10b8bec98b3594cb8598c4fc192b missing from chunks index, corrupted chunks index - aborting transaction.\r\n```\r\n\r\nI ran borg check to see if there are problems, this is the output.\r\n```\r\n$ borg check -v borg@node:/tank/backups/borg/bastion\r\nRemote: Starting repository check\r\nRemote: Completed repository check, no problems found.\r\nStarting archive consistency check...\r\nAnalyzing archive bastion-2016-10-02 (15/15)\r\nAnalyzing archive bastion-2016-10-01 (14/15)\r\nAnalyzing archive bastion-2016-09-30 (13/15)\r\nAnalyzing archive bastion-2016-09-29 (12/15)\r\nAnalyzing archive bastion-2016-09-28 (11/15)\r\nAnalyzing archive bastion-2016-09-27 (10/15)\r\nAnalyzing archive bastion-2016-09-26 (9/15)\r\nAnalyzing archive bastion-2016-09-25 (8/15)\r\nAnalyzing archive bastion-2016-09-14 (7/15)\r\nAnalyzing archive bastion-2016-09-11 (6/15)\r\nAnalyzing archive bastion-2016-09-04 (5/15)\r\nAnalyzing archive bastion-2016-08-31 (4/15)\r\nAnalyzing archive bastion-2016-08-28 (3/15)\r\nAnalyzing archive bastion-2016-07-31 (2/15)\r\nAnalyzing archive bastion-2016-06-29 (1/15)\r\nArchive consistency check complete, no problems found.\r\n```\r\n\r\nI had this error once before with version 1.0.7. Last time I deleted both my local and the remote borg cache dir. There has to be another way to recover from this?"},"comment":{"url":"https://api.github.com/repos/borgbackup/borg/issues/comments/251945815","html_url":"https://github.com/borgbackup/borg/issues/1675#issuecomment-251945815","issue_url":"https://api.github.com/repos/borgbackup/borg/issues/1675","id":251945815,"user":{"login":"enkore","id":1330164,"avatar_url":"https://avatars.githubusercontent.com/u/1330164?v=3","gravatar_id":"","url":"https://api.github.com/users/enkore","html_url":"https://github.com/enkore","followers_url":"https://api.github.com/users/enkore/followers","following_url":"https://api.github.com/users/enkore/following{/other_user}","gists_url":"https://api.github.com/users/enkore/gists{/gist_id}","starred_url":"https://api.github.com/users/enkore/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/enkore/subscriptions","organizations_url":"https://api.github.com/users/enkore/orgs","repos_url":"https://api.github.com/users/enkore/repos","events_url":"https://api.github.com/users/enkore/events{/privacy}","received_events_url":"https://api.github.com/users/enkore/received_events","type":"User","site_admin":false},"created_at":"2016-10-06T12:22:37Z","updated_at":"2016-10-06T12:22:37Z","body":"The data pulled from the files cache is checked for plausibility against the chunks cache, meaning that all chunks listed for a file have to be in the chunks cache as well. Otherwise it will rechunk the file (the assumption is that some of these chunks where deleted, not that either one of these are corrupted - but it may work reasonably well against corruption)."}}
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