keyList.count++;
        Node<K, V> keyTail = keyList.tail;
        keyTail.nextSibling = node;
        node.previousSibling = keyTail;
        keyList.tail = node;
      }
    } else { // non-empty list, insert before nextSibling
      /*
       * requireNonNull is safe as long as callers pass a nextSibling that (a) has the same key and
       * (b) is present in the multimap. (And they do, except maybe in case of concurrent

            final DfsReferral dr = getDfsReferrals(req.auth, req.path, 1);
            if (dr == null) {
                throw new SmbException(resp.errorCode, null);
            }

            SmbFile.dfs.insert(req.path, dr);
            throw dr;
        case 0x80000005: /* STATUS_BUFFER_OVERFLOW */
            break; /* normal for DCERPC named pipes */
        case NtStatus.NT_STATUS_MORE_PROCESSING_REQUIRED:

        keyList.count++;
        Node<K, V> keyTail = keyList.tail;
        keyTail.nextSibling = node;
        node.previousSibling = keyTail;
        keyList.tail = node;
      }
    } else { // non-empty list, insert before nextSibling
      /*
       * requireNonNull is safe as long as callers pass a nextSibling that (a) has the same key and
       * (b) is present in the multimap. (And they do, except maybe in case of concurrent

		}
	}
	if osIsNotExist(err) {
		// if none of the files are present we may be running inside
		// CRI-O, Containerd etc..
		// Fallback to our container specific ENVs if they are set.
		return env.IsSet("MINIO_ACCESS_KEY_FILE")
	}

	// Log error, as we will not propagate it to caller
	internalLogIf(GlobalContext, err)

	return err == nil
}

// IsDCOS returns true if minio is running in DCOS.

  /**
   * This is a less carefully-controlled version of {@link #testRemovalNotification_clear} - this is
   * a black-box test that tries to create lots of different thread-interleavings, and asserts that
   * each computation is affected by a call to {@code clear()} (and therefore gets passed to the
   * removal listener), or else is not affected by the {@code clear()} (and therefore exists in the
   * cache afterward).

  /**
   * This is a less carefully-controlled version of {@link #testRemovalNotification_clear} - this is
   * a black-box test that tries to create lots of different thread-interleavings, and asserts that
   * each computation is affected by a call to {@code clear()} (and therefore gets passed to the
   * removal listener), or else is not affected by the {@code clear()} (and therefore exists in the
   * cache afterward).

    }
    assertIntact(mmHeap);
    assertEquals(heapSize, mmHeap.size());
    int currentHeapSize = heapSize;
    for (int i = 0; i < numberOfModifications; i++) {
      if (random.nextBoolean()) {
        /* insert a new element */
        int randomInt = random.nextInt();
        mmHeap.offer(randomInt);
        insertIntoReplica(replica, randomInt);
        currentHeapSize++;
      } else {

            DfsReferralDataInternal tmp = dr;
            do {
                /*
                 * Store references to the map and key so that
                 * SmbFile.resolveDfs can re-insert the dr list with
                 * the dr that was successful so that subsequent
                 * attempts to resolve DFS use the last successful
                 * referral first.
                 */

    deleteFromTableKToV(entry, smearedHash(keys[entry]));
    keys[entry] = newKey;
    insertIntoTableKToV(entry, smearedHash(newKey));

    // insert into insertion order linked list, usually at the end
    setSucceeds(newPredecessor, entry);
    setSucceeds(entry, newSuccessor);
  }

  @CanIgnoreReturnValue
  @Override

			t.Fatalf("TestXLStorage %d failed wanted: %s, got: %s", i+1, err, testCase.err)
		}
	}
}

// TestXLStorageMakeVol - TestXLStorage validate the logic for creation of new xlStorage volume.
// Asserts the failures too against the expected failures.
func TestXLStorageMakeVol(t *testing.T) {
	// create xlStorage test setup
	xlStorage, path, err := newXLStorageTestSetup(t)
	if err != nil {