Exhibit 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

  We consent to the reference to our firm under the caption "Experts" in the
proxy statement/prospectus of Quantum Corporation and Meridian Data, Inc. that
is made a part of the Registration Statement (Form S-4) of Quantum Corporation
for the registration of shares of Quantum DLT & Storage Systems Group common
stock and Quantum Corporation Hard Disk Drive Group common stock and to the use
of our reports dated April 26, 1999 except for Note 15, as to which the date is
July 23, 1999 with respect to the combined financial statements of DLT &
Storage Systems Group and Hard Disk Drive Group included therein, and to the
incorporation by reference therein of our report dated April 26, 1999, with
respect to the consolidated financial statements of Quantum Corporation
included in its Annual Report (Form 10-K) for the year ended March 31, 1999,
filed with the Securities and Exchange Commission.

                                          /s/ Ernst & Young llp

Palo Alto, California
August 6, 1999