03-28-2014
Power failure: file damage?
~#hello -all,
Many UNIX/Linux/BSD/etc books warn about turn off the puter without a proper shutdown. This can damage files which are open at that moment. Seems logical to me. My question is.. does the system warn you when there are damaged files when the system is up again? I had a power failure this week (twice) while my Linux and freeBSD servers were running. (for study so no power backup). Everything works fine. But is it possible that there are damaged files I don't know of but can cause trouble later on? Thanks for reading.
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LEARN ABOUT LINUX
git-lost-found
GIT-LOST-FOUND(1) Git Manual GIT-LOST-FOUND(1)
NAME
git-lost-found - Recover lost refs that luckily have not yet been pruned
SYNOPSIS
git lost-found
DESCRIPTION
NOTE: this command is deprecated. Use git-fsck(1) with the option --lost-found instead.
Finds dangling commits and tags from the object database, and creates refs to them in the .git/lost-found/ directory. Commits and tags that
dereference to commits are stored in .git/lost-found/commit, and other objects are stored in .git/lost-found/other.
OUTPUT
Prints to standard output the object names and one-line descriptions of any commits or tags found.
EXAMPLE
Suppose you run git tag -f and mistype the tag to overwrite. The ref to your tag is overwritten, but until you run git prune, the tag
itself is still there.
$ git lost-found
[1ef2b196d909eed523d4f3c9bf54b78cdd6843c6] GIT 0.99.9c
...
Also you can use gitk to browse how any tags found relate to each other.
$ gitk $(cd .git/lost-found/commit && echo ??*)
After making sure you know which the object is the tag you are looking for, you can reconnect it to your regular refs hierarchy by using
the update-ref command.
$ git cat-file -t 1ef2b196
tag
$ git cat-file tag 1ef2b196
object fa41bbce8e38c67a218415de6cfa510c7e50032a
type commit
tag v0.99.9c
tagger Junio C Hamano <junkio@cox.net> 1131059594 -0800
GIT 0.99.9c
This contains the following changes from the "master" branch, since
...
$ git update-ref refs/tags/not-lost-anymore 1ef2b196
$ git rev-parse not-lost-anymore
1ef2b196d909eed523d4f3c9bf54b78cdd6843c6
GIT
Part of the git(1) suite
Git 1.8.5.3 01/14/2014 GIT-LOST-FOUND(1)