} else {
			onlineDisks[index] = nil
		}
	}

	return onlineDisks, modTime, ""
}

// Convert verify or check parts returned error to integer representation
func convPartErrToInt(err error) int {
	err = unwrapAll(err)
	switch err {
	case nil:
		return checkPartSuccess
	case errFileNotFound, errFileVersionNotFound:
		return checkPartFileNotFound
	case errFileCorrupt:

		err := s.bitrotVerify(ctx, partPath,
			erasure.ShardFileSize(part.Size),
			checksumInfo.Algorithm,
			checksumInfo.Hash, erasure.ShardSize())

		resp.Results[i] = convPartErrToInt(err)

		// Only log unknown errors
		if resp.Results[i] == checkPartUnknown && err != errFileAccessDenied {
			logger.GetReqInfo(ctx).AppendTags("disk", s.String())
			storageLogOnceIf(ctx, err, partPath)