case skipped:
		h.ItemsSkipped++
		h.BytesSkipped += bytes
	default:
		h.ItemsFailed++
		h.BytesFailed += bytes
	}
}

// update will update the tracker on the disk.
// If the tracker has been deleted an error is returned.
func (h *healingTracker) update(ctx context.Context) error {
	h.mu.Lock()
	if h.ID == "" || h.PoolIndex < 0 || h.SetIndex < 0 || h.DiskIndex < 0 {
		h.ID, _ = h.disk.GetDiskID()

    }

    /**
     * The checksum calculator.
     */
    interface ChecksumCalculator {
        /**
         * Updates the checksum algorithm inner state with input.
         *
         * @throws NullPointerException if passed in buffer is {@code null}.
         */
        void update(@Nonnull ByteBuffer input);

        /**

		// Update all MinIO servers type=2
		adminRouter.Methods(http.MethodPost).Path(adminVersion+"/update").HandlerFunc(adminMiddleware(adminAPI.ServerUpdateV2Handler, traceAllFlag)).Queries("updateURL", "{updateURL:.*}", "type", "2")

		// Deprecated: Update MinIO servers.

     *
     * @param item the item to insert
     */
    public abstract void insert(T item);

    /**
     * Updates an existing dictionary item.
     *
     * @param item the item to update
     */
    public abstract void update(T item);

    /**
     * Deletes a dictionary item.
     *
     * @param item the item to delete
     */

                    });
                }
            }
        });
    }

    /**
     * Updates the role set with search roles based on the entry DN and name.
     *
     * @param roleSet the set of roles to update
     * @param entryDn the entry DN to check
     * @param name the role name
     * @return the role type prefix if successful, null otherwise
     */

                updateList.forEach(this::writeSearchLogEvent);
            }
            // insert/update user info
            userInfoBhv.batchInsert(insertList);
            userInfoBhv.batchUpdate(updateList);
            // update search log
            searchLogList.stream().forEach(searchLog -> {
                searchLog.getUserInfo().ifPresent(userInfo -> {

        });
        return redirect(getClass());
    }

    /**
     * Updates an existing file authentication.
     *
     * @param form the edit form
     * @return HTML response after update
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse update(final EditForm form) {
        verifyCrudMode(form.crudMode, CrudMode.EDIT);

                hmac.update(Strings.getUNIBytes(this.username.toUpperCase()));
                hmac.update(Strings.getUNIBytes(this.domain.toUpperCase()));
                byte[] ntlmv2Hash = hmac.digest();
                hmac = Crypto.getHMACT64(ntlmv2Hash);
                hmac.update(chlng);
                hmac.update(this.clientChallenge);

					SessionPolicy: madmin.SRSessionPolicy(createReq.Policy),
					Status:        auth.AccountOn,
					Expiration:    createReq.Expiration,
				},
			},
			UpdatedAt: updatedAt,
		}))
	}
}

// UpdateServiceAccount - POST /minio/admin/v3/update-service-account
func (a adminAPIHandlers) UpdateServiceAccount(w http.ResponseWriter, r *http.Request) {
	ctx := r.Context()

	// Get current object layer instance.

		for k, pi := range rememberedPools {
			pos, ok := specifiedPools[k]
			if ok && pos != pi.position {
				update = true // pool order is changing, its okay to allow it.
			}
		}
	}

	if !update {
		update = len(specifiedPools) != len(rememberedPools)
	}

	return update, nil
}

func (p *poolMeta) load(ctx context.Context, pool *erasureSets, pools []*erasureSets) error {