MinIO protects data against hardware failures and silent data corruption using erasure code and checksums. With the highest level of redundancy, you may lose up to half (N/2) of the total drives and still be able to recover the data.

## What is Erasure Code?

				notFoundCount++
			} else if isErrBucketNotFound(err) {
				notFoundCount++
			}
		}
	}
	return len(errs) == notFoundCount
}

// ObjectDir is considered dangling/corrupted if any only
// if total disks - a combination of corrupted and missing
// files is lesser than N/2+1 number of disks.
// If no files were found false will be returned.
func isObjectDirDangling(errs []error) (ok bool) {
	var found int

- Any JBOD inconsistent - return failure
- Some are corrupt (missing format.json) - return failure
- Any unrecognized disks - return failure

Some disks are offline and we have quorum.
-----------------
- Some unformatted - format all and return success,
  treat disks offline as corrupted.
- Any JBOD inconsistent - return failure
- Some are corrupt (missing format.json)
- Any unrecognized disks - return failure

        // Choice here is between failing with a correct RuntimeException
        // or mostly silently with an IOException
        url = urlLine.toHttpUrlOrNull() ?: throw IOException("Cache corruption for $urlLine").also {
          Platform.get().log("cache corruption", WARN, it)
        }
        requestMethod = source.readUtf8LineStrict()
        val varyHeadersBuilder = Headers.Builder()
        val varyRequestHeaderLineCount = readInt(source)

                }
                throw new IOException("corrupted stream - high tag number < 31 found");
            }

            tagNo = b & 0x7f;

            // X.690-0207 8.1.2.4.2
            // "c) bits 7 to 1 of the first subsequent octet shall not all be zero."
            if (0 == tagNo) {
                throw new IOException("corrupted stream - invalid high tag number found");
            }

		t.Fatalf("FileInfo not equal after healing: %v != %v", fi, nfi)
	}

	// Test 4: checks if HealObject returns an error when xl.meta is not found
	// in more than read quorum number of disks, to create a corrupted situation.
	for i := 0; i <= nfi.Erasure.DataBlocks; i++ {
		erasureDisks[i].Delete(t.Context(), bucket, pathJoin(object, xlStorageFormatFile), DeleteOptions{
			Recursive: false,
			Immediate: false,
		})
	}

# When we use Patchelf versions <0.12, those shared libraries end up with a
# corrupted PT_NOTE program header. This was fixed in v0.12, see https://github.com/NixOS/patchelf/commit/43a33482b501b0f5ee9da312aabfca3806570cc9.

                    try {
                        Files.deleteIfExists(handleFile);
                    } catch (IOException deleteEx) {
                        log.error("Failed to delete corrupted handle file: " + handleFile, deleteEx);
                    }
                }
            }
        } catch (IOException e) {

		},
		// Corrupted Base 64 result
		{
			objectName:         "test",
			data:               []byte("Hello, World"),
			expectedRespStatus: http.StatusBadRequest,
			accessKey:          credentials.AccessKey,

            // Verify areas before offset are untouched
            for (int i = 0; i < offset; i++) {
                assertEquals((byte) 0xFF, buffer[i], "Buffer corrupted before offset at position " + i);
            }
        }
    }