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git-annex-fsck(1) FreeBSD General Commands Manual git-annex-fsck(1)

git-annex-fsck - find and fix problems

git annex fsck [path ...]

This command checks annexed files for consistency, and warns about or fixes any problems found. This is a good complement to git fsck.

The default is to check all annexed files in the current directory and subdirectories. With parameters, only the specified files are checked.

The problems fsck finds include files that have gotten corrupted, files whose content has somehow become lost, files that do not have the configured number of copies yet made, and keys that can be upgraded to a better format.

Check a remote, rather than the local repository.
Note that by default, files will be copied from the remote to check their contents. To avoid this expensive transfer, and only verify that the remote still has the files that are expected to be on it, add the --fast option.
Avoids expensive checksum calculations (and expensive transfers when fscking a remote).
Start a new incremental fsck pass. An incremental fsck can be interrupted at any time, with eg ctrl-c.
Resume the last incremental fsck pass, where it left off.
Resuming may redundantly check some files that were checked before. Any files that fsck found problems with before will be re-checked on resume. Also, checkpoints are made every 1000 files or every 5 minutes during a fsck, and it resumes from the last checkpoint.
This makes a new incremental fsck be started only a specified time period after the last incremental fsck was started.
The time is in the form "10d" or "300h".
Maybe you'd like to run a fsck for 5 hours at night, picking up each night where it left off. You'd like this to continue until all files have been fscked. And once it's done, you'd like a new fsck pass to start, but no more often than once a month. Then put this in a nightly cron job:
git annex fsck --incremental-schedule 30d --time-limit 5h
Override the normally configured number of copies.
To verify data integrity only while disregarding required number of copies, use --numcopies=1.
--all -A
Normally only the files in the currently checked out branch are fscked. This option causes all versions of all files to be fscked.
This is the default behavior when running git-annex in a bare repository.
Operate on files in the specified branch or treeish.
Operate on files found by last run of git-annex unused.
Use this option to fsck a specified key.
matching options
The git-annex-matching-options(1) can be used to control what to fsck.
--jobs=N -JN
Runs multiple fsck jobs in parallel. For example: -J4
Setting this to "cpus" will run one job per CPU core.
Enable JSON output. This is intended to be parsed by programs that use git-annex. Each line of output is a JSON object.
Messages that would normally be output to standard error are included in the json instead.
Like all git-annex commands, this option makes only error and warning messages be displayed. This is particularly useful with fsck, which normally displays all the files it's checking even when there is no problem with them.
Also the git-annex-common-options(1) can be used.




Joey Hess <>

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