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proactive deep heal object when a bitrot is detected (#9192)

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This commit is contained in:
Bala FA
2020-04-01 19:14:00 +00:00
committed by GitHub
parent 886ae15464
commit 95e89f1712
7 changed files with 111 additions and 29 deletions
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12
cmd/bitrot-streaming.go
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@@ -27,6 +27,14 @@ import (
"github.com/minio/minio/cmd/logger"
)
type errHashMismatch struct {
message string
}
func (err *errHashMismatch) Error() string {
return err.message
}
// Calculates bitrot in chunks and writes the hash into the stream.
type streamingBitrotWriter struct {
iow *io.PipeWriter
@@ -132,8 +140,8 @@ func (b *streamingBitrotReader) ReadAt(buf []byte, offset int64) (int, error) {
b.h.Write(buf)
if !bytes.Equal(b.h.Sum(nil), b.hashBytes) {
err = fmt.Errorf("hashes do not match expected %s, got %s",
hex.EncodeToString(b.hashBytes), hex.EncodeToString(b.h.Sum(nil)))
err := &errHashMismatch{fmt.Sprintf("hashes do not match expected %s, got %s",
hex.EncodeToString(b.hashBytes), hex.EncodeToString(b.h.Sum(nil)))}
logger.LogIf(context.Background(), err)
return 0, err
}