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author | 2010-11-28 17:54:42 -0400 | |
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committer | 2010-11-28 17:54:42 -0400 | |
commit | 1d78dc2c8db2550b530a87cf893c2445162e4ea1 (patch) | |
tree | d0f18e549b16a8be6e2a0c33d3f39ae1f87f2fbe /doc/walkthrough.mdwn | |
parent | dabfc455c678b073dadda41a4029493716e29c84 (diff) |
update docs
Diffstat (limited to 'doc/walkthrough.mdwn')
-rw-r--r-- | doc/walkthrough.mdwn | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/walkthrough.mdwn b/doc/walkthrough.mdwn index 281f46050..9d4d2ce59 100644 --- a/doc/walkthrough.mdwn +++ b/doc/walkthrough.mdwn @@ -339,3 +339,31 @@ might say about a badly messed up annex: git-annex: Only 1 of 2 copies exist. Run git annex get somewhere else to back it up. failed git-annex: 2 failed + +## backups + +git-annex can be configured to require more than one copy of a file exists, +as a simple backup for your data. This is controled by the "numcopies" +setting, which defaults to 1 copy. Let's change that to require 2 copies, +and send a copy of every file to a USB drive. + + # echo "* git-annex-numcopies=2" >> .gitattributes + # git annex copy . --to usbdrive + +Now when we try to `git annex drop` a file, it will verify that it +knows of 2 other repositories that have a copy before removing its +content from the current repository. + +You can also vary the number of copies needed, depending on the file name. +So, if you want 3 copies of all your flac files, but only 1 copy of oggs: + + # echo "*.ogg git-annex-numcopies=1" >> .gitattributes + # echo "*.flac git-annex-numcopies=3" >> .gitattributes + +Or, you might want to make a directory for important stuff, and configure +it so anything put in there is backed up more thoroughly: + + # mkdir important_stuff + # echo "* git-annex-numcopies=3" > important_stuff/.gitattributes + +For more details about the numcopies setting, see [[copies]]. |