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Star is the best program for automatically recovering
from system crashes.
Consider the case where you have a corrupted filesystem and
no actual backup. It can be repaired with only few manual
actions by using star. Simply follow the following steps:
1) Do a fsck -y to repair the filesystem.
Many files will be lost but you may have luck
and some/all recent files remain intact.
2) Run star -xp from the most recent backup you have.
This will only extract all files that have been
deleted on the fsck -y run.
3) Rewind the tape and run:
star -diff -c diffopts=!times
to check for file corruptions that have not been
detected by the fsck -y run.
4) Do a full backup of the new system to prevent further
data loss.
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