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doc/bugs/Failure_to_get_small_files_over_P2P_protocol.mdwn
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doc/bugs/Failure_to_get_small_files_over_P2P_protocol.mdwn
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### Please describe the problem.
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I'm storing lots of recordings from our satellite receiver into a git annex repo for easy syncing to a backup server that's not always switched on. Now, I'm trying to replace this backup server and pulling all data onto my new node. Most files work fine, but there are a bunch of small files that throw an error. In the debug log the GET command seems to use the file's size as offset, resulting in 0 bytes of data, throwing an error
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### What steps will reproduce the problem?
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$ git annex get Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.* --debug
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[2021-12-19 17:13:10.308043464] process [4214] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","symbolic-ref","-q","HEAD"]
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[2021-12-19 17:13:10.309545353] process [4214] done ExitSuccess
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[2021-12-19 17:13:10.310048003] process [4215] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","refs/heads/master"]
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[2021-12-19 17:13:10.312009938] process [4215] done ExitSuccess
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[2021-12-19 17:13:10.328167499] process [4216] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","ls-files","--stage","-z","--","Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.eit","Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts","Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.ap","Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.cuts","Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.meta","Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.sc"]
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[2021-12-19 17:13:10.328598306] process [4217] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)","--buffer"]
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[2021-12-19 17:13:10.328861515] process [4218] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch=%(objectname) %(objecttype) %(objectsize)","--buffer"]
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[2021-12-19 17:13:10.329676569] process [4219] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch=%(objectname) %(objecttype) %(objectsize)","--buffer"]
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get Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.meta [2021-12-19 17:13:10.341285273] process [4221] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","git-annex"]
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[2021-12-19 17:13:10.342469002] process [4221] done ExitSuccess
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[2021-12-19 17:13:10.342787111] process [4222] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","show-ref","--hash","refs/heads/git-annex"]
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[2021-12-19 17:13:10.343851119] process [4222] done ExitSuccess
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[2021-12-19 17:13:10.34416143] process [4223] read: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","log","refs/heads/git-annex..33675b567939705c283bd955c2c7de13e15ba28a","--pretty=%H","-n1"]
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[2021-12-19 17:13:10.345389634] process [4223] done ExitSuccess
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[2021-12-19 17:13:10.345949274] process [4224] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch"]
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[2021-12-19 17:13:10.346209136] process [4225] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)"]
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(from garage...)
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[2021-12-19 17:13:10.349782417] process [4226] read: ssh ["-o","BatchMode=true","-S",".git/annex/ssh/root@10.19.20.147","-o","ControlMaster=auto","-o","ControlPersist=yes","-n","-T","root@10.19.20.147","true"]
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[2021-12-19 17:13:11.687712914] process [4226] done ExitSuccess
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[2021-12-19 17:13:11.68875019] process [4231] chat: ssh ["root@10.19.20.147","-S",".git/annex/ssh/root@10.19.20.147","-o","ControlMaster=auto","-o","ControlPersist=yes","-T","git-annex-shell 'p2pstdio' '/opt/Sat' '--debug' 'b22315b4-77f0-4f46-aed3-fe376b350ab9' --uuid dd4c0b26-2331-4133-82bf-1888753c3268"]
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[2021-12-19 17:13:12.407472022] [ssh connection Just 4231] [ThreadId 4] P2P < AUTH-SUCCESS dd4c0b26-2331-4133-82bf-1888753c3268
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[2021-12-19 17:13:12.40779008] [ssh connection Just 4231] [ThreadId 4] P2P > VERSION 1
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[2021-12-19 17:13:12.423477213] [ssh connection Just 4231] [ThreadId 4] P2P < VERSION 1
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[2021-12-19 17:13:12.423831707] [ssh connection Just 4231] [ThreadId 4] P2P > GET 165 Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.meta SHA256E-s164--41ece560a700c3a1f2c1a28f37399c6cf139dde68f8c97ff9f7e10ac1080c746.ts.meta
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[2021-12-19 17:13:28.731615325] [ThreadId 4] P2P < GET 165 Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.meta SHA256E-s164--41ece560a700c3a1f2c1a28f37399c6cf139dde68f8c97ff9f7e10ac1080c746.ts.meta
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[2021-12-19 17:13:28.796144027] [ThreadId 4] P2P > DATA 0
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[2021-12-19 17:13:28.796944343] [ThreadId 4] P2P > VALID
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[2021-12-19 17:13:12.518895068] [ssh connection Just 4231] [ThreadId 4] P2P < DATA 0
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[2021-12-19 17:13:12.521393464] [ssh connection Just 4231] [ThreadId 4] P2P < VALID
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[2021-12-19 17:13:12.522008877] [ssh connection Just 4231] [ThreadId 4] P2P > FAILURE
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transfer failed
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[2021-12-19 17:13:12.524417003] process [4224] done ExitSuccess
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[2021-12-19 17:13:12.525545594] process [4225] done ExitSuccess
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[2021-12-19 17:13:12.526125714] [ssh connection Just 4231] [ThreadId 4] P2P > GET 165 Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.meta SHA256E-s164--41ece560a700c3a1f2c1a28f37399c6cf139dde68f8c97ff9f7e10ac1080c746.ts.meta
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[2021-12-19 17:13:28.807577749] [ThreadId 4] P2P < FAILURE
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[2021-12-19 17:13:28.812468221] [ThreadId 4] P2P < GET 165 Documentaires/Oorlogen/20170124_2110_-_CANVAS_HD_-_1945__THE_SAVAGE_PEACE.ts.meta SHA256E-s164--41ece560a700c3a1f2c1a28f37399c6cf139dde68f8c97ff9f7e10ac1080c746.ts.meta
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[2021-12-19 17:13:28.812746153] [ThreadId 4] P2P > DATA 0
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[2021-12-19 17:13:28.812854143] [ThreadId 4] P2P > VALID
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[2021-12-19 17:13:12.533471116] [ssh connection Just 4231] [ThreadId 4] P2P < DATA 0
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[2021-12-19 17:13:12.534230317] [ssh connection Just 4231] [ThreadId 4] P2P < VALID
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[2021-12-19 17:13:12.534505767] [ssh connection Just 4231] [ThreadId 4] P2P > FAILURE
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transfer failed
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Unable to access these remotes: garage
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[2021-12-19 17:13:12.537799752] process [4235] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch"]
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[2021-12-19 17:13:12.538818173] process [4236] chat: git ["--git-dir=.git","--work-tree=.","--literal-pathspecs","cat-file","--batch-check=%(objectname) %(objecttype) %(objectsize)"]
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[2021-12-19 17:13:28.820206504] [ThreadId 4] P2P < FAILURE
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No other repository is known to contain the file.
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failed
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[2021-12-19 17:13:12.55009435] process [4235] done ExitSuccess
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[2021-12-19 17:13:12.550952683] process [4236] done ExitSuccess
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[2021-12-19 17:13:12.551390026] process [4219] done ExitSuccess
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[2021-12-19 17:13:12.551709257] process [4218] done ExitSuccess
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[2021-12-19 17:13:12.551975888] process [4217] done ExitSuccess
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[2021-12-19 17:13:12.552194866] process [4216] done ExitSuccess
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[2021-12-19 17:13:12.561312091] process [4238] read: ssh ["-O","stop","-S","root@10.19.20.147","-o","ControlMaster=auto","-o","ControlPersist=yes","localhost"]
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[2021-12-19 17:13:12.569198309] process [4238] done ExitSuccess
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git-annex: get: 1 failed
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As you can see the offset in the p2p get command is 165, which is exactly the file size of what it's supposed to be getting:
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-r-xr-xr-x 1 root root 165 Apr 29 2020 .git/annex/objects/5V/x8/SHA256E-s164--41ece560a700c3a1f2c1a28f37399c6cf139dde68f8c97ff9f7e10ac1080c746.ts.meta/SHA256E-s164--41ece560a700c3a1f2c1a28f37399c6cf139dde68f8c97ff9f7e10ac1080c746.ts.meta
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### What version of git-annex are you using? On what operating system?
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On the old server:
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$ git annex version
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git-annex version: 8.20200908
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build flags: Assistant Webapp Pairing Inotify DBus DesktopNotify TorrentParser MagicMime Feeds Testsuite S3 WebDAV
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dependency versions: aws-0.22 bloomfilter-2.0.1.0 cryptonite-0.26 DAV-1.3.4 feed-1.3.0.1 ghc-8.8.4 http-client-0.6.4.1 persistent-sqlite-2.10.6.2 torrent-10000.1.1 uuid-1.3.13 yesod-1.6.1.0
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key/value backends: SHA256E SHA256 SHA512E SHA512 SHA224E SHA224 SHA384E SHA384 SHA3_256E SHA3_256 SHA3_512E SHA3_512 SHA3_224E SHA3_224 SHA3_384E SHA3_384 SKEIN256E SKEIN256 SKEIN512E SKEIN512 BLAKE2B256E BLAKE2B256 BLAKE2B512E BLAKE2B512 BLAKE2B160E BLAKE2B160 BLAKE2B224E BLAKE2B224 BLAKE2B384E BLAKE2B384 BLAKE2BP512E BLAKE2BP512 BLAKE2S256E BLAKE2S256 BLAKE2S160E BLAKE2S160 BLAKE2S224E BLAKE2S224 BLAKE2SP256E BLAKE2SP256 BLAKE2SP224E BLAKE2SP224 SHA1E SHA1 MD5E MD5 WORM URL X*
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remote types: git gcrypt p2p S3 bup directory rsync web bittorrent webdav adb tahoe glacier ddar git-lfs httpalso hook external
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operating system: linux x86_64
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supported repository versions: 8
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upgrade supported from repository versions: 0 1 2 3 4 5 6 7
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local repository version: 8
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On the new server:
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$ git annex version
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git-annex version: 8.20210223
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build flags: Assistant Webapp Pairing Inotify DBus DesktopNotify TorrentParser MagicMime Feeds Testsuite S3 WebDAV
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dependency versions: aws-0.22 bloomfilter-2.0.1.0 cryptonite-0.26 DAV-1.3.4 feed-1.3.0.1 ghc-8.8.4 http-client-0.6.4.1 persistent-sqlite-2.10.6.2 torrent-10000.1.1 uuid-1.3.13 yesod-1.6.1.0
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key/value backends: SHA256E SHA256 SHA512E SHA512 SHA224E SHA224 SHA384E SHA384 SHA3_256E SHA3_256 SHA3_512E SHA3_512 SHA3_224E SHA3_224 SHA3_384E SHA3_384 SKEIN256E SKEIN256 SKEIN512E SKEIN512 BLAKE2B256E BLAKE2B256 BLAKE2B512E BLAKE2B512 BLAKE2B160E BLAKE2B160 BLAKE2B224E BLAKE2B224 BLAKE2B384E BLAKE2B384 BLAKE2BP512E BLAKE2BP512 BLAKE2S256E BLAKE2S256 BLAKE2S160E BLAKE2S160 BLAKE2S224E BLAKE2S224 BLAKE2SP256E BLAKE2SP256 BLAKE2SP224E BLAKE2SP224 SHA1E SHA1 MD5E MD5 WORM URL X*
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remote types: git gcrypt p2p S3 bup directory rsync web bittorrent webdav adb tahoe glacier ddar git-lfs httpalso borg hook external
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operating system: linux x86_64
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supported repository versions: 8
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upgrade supported from repository versions: 0 1 2 3 4 5 6 7
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local repository version: 8
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Both servers are debian.
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### Please provide any additional information below.
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[[!format sh """
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# If you can, paste a complete transcript of the problem occurring here.
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# If the problem is with the git-annex assistant, paste in .git/annex/daemon.log
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# End of transcript or log.
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"""]]
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### Have you had any luck using git-annex before? (Sometimes we get tired of reading bug reports all day and a lil' positive end note does wonders)
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I've been using git annex for years now, some periods more intensively than others. The only data I've lost I can only blame on my own stupidity, even after a terminal disk failure I managed to recover almost everything with a reinject. I'm still using it entirely cli though, no assistants or gui for me.
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