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Merge pull request #2163 from calmh/dbrecover

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Recover from 'corrupted or incomplete CURRENT file' etc
This commit is contained in:
Audrius Butkevicius 2015-08-16 15:58:51 +01:00
commit b6b6375f70
1 changed files with 27 additions and 1 deletions
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28
cmd/syncthing/main.go
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@ -591,9 +591,19 @@ func syncthingMain() {
dbFile := locations[locDatabase]
ldb, err := leveldb.OpenFile(dbFile, dbOpts())
if err != nil && errors.IsCorrupted(err) {
if leveldbIsCorrupted(err) {
ldb, err = leveldb.RecoverFile(dbFile, dbOpts())
}
if leveldbIsCorrupted(err) {
// The database is corrupted, and we've tried to recover it but it
// didn't work. At this point there isn't much to do beyond dropping
// the database and reindexing...
l.Infoln("Database corruption detected, unable to recover. Reinitializing...")
if err := resetDB(); err != nil {
l.Fatalln("Remove database:", err)
}
ldb, err = leveldb.OpenFile(dbFile, dbOpts())
}
if err != nil {
l.Fatalln("Cannot open database:", err, "- Is another copy of Syncthing already running?")
}
@ -1105,3 +1115,19 @@ func checkShortIDs(cfg *config.Wrapper) error {
}
return nil
}
// A "better" version of leveldb's errors.IsCorrupted.
func leveldbIsCorrupted(err error) bool {
switch {
case err == nil:
return false
case errors.IsCorrupted(err):
return true
case strings.Contains(err.Error(), "corrupted"):
return true
}
return false
}