<PAGE>
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY 18, 2002

                                                 REGISTRATION NO. 333-  ________
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                -----------------

                                    FORM S-8

                             REGISTRATION STATEMENT

                                      UNDER

                           THE SECURITIES ACT OF 1933

                                -----------------

                           MTI TECHNOLOGY CORPORATION
             (Exact Name of Registrant as Specified in its Charter)

               DELAWARE                                     95-3601802
   (State or Other Jurisdiction of                       (I.R.S. Employer
    Incorporation or Organization)                    Identification Number)

                            4905 EAST LA PALMA AVENUE
                            ANAHEIM, CALIFORNIA 92806
                                 (714) 970-0300
                    (Address of Principal Executive Offices)

                            2001 STOCK INCENTIVE PLAN
                              (Full Title of Plan)

                                -----------------

                             THOMAS P. RAIMONDI, JR.
                      PRESIDENT AND CHIEF EXECUTIVE OFFICER
                            4905 EAST LA PALMA AVENUE
                            ANAHEIM, CALIFORNIA 92806
                     (Name and Address of Agent for Service)

                                 (714) 970-0300
          (Telephone Number, Including Area Code, of Agent For Service)

                                    Copy to:
                            TAMARA POWELL TATE, ESQ.
                             MORRISON & FOERSTER LLP
                                  TWELFTH FLOOR
                            19900 MACARTHUR BOULEVARD
                          IRVINE, CALIFORNIA 92612-2445
                                 (949) 251-7500

                                -----------------

<TABLE>
<CAPTION>
                                 CALCULATION OF REGISTRATION FEE
==========================================================================================================
                                                            MAXIMUM       PROPOSED MAXIMUM     AMOUNT OF
 TITLE OF EACH CLASS OF SECURITIES      AMOUNT TO       OFFERING PRICE   AGGREGATE OFFERING  REGISTRATION
         TO BE REGISTERED            BE REGISTERED(1)     PER UNIT(3)          PRICE(3)          FEE
----------------------------------------------------------------------------------------------------------
<S>                                 <C>                      <C>              <C>               <C>
 Common Stock, $.001 par
 value per share                    974,528 shares(2)        $1.87            $1,822,368        $168.00
==========================================================================================================
</TABLE>

(1)  Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the
     "Securities Act"), this Registration Statement includes an indeterminate
     number of additional shares which may be offered and issued to prevent
     dilution from stock splits, stock dividends or similar transactions as
     provided in the Registrant's 2001 Stock Incentive Plan (the "Plan").

(2)  Represents shares of Common Stock that are available for issuance under the
     Plan as a result of the automatic "evergreen" provision contained in the
     Plan (which includes shares authorized to be issued under the Plan pursuant
     to the awards granted under the Registrant's 2001 Non-employee Director
     Option Program).

(3)  Estimated solely for the purpose of calculating the registration fee.
     Pursuant to Rule 457(c) and Rule 457(h) under the Securities Act, the
     proposed maximum offering price per share and the proposed maximum
     aggregate offering price have been determined on the basis of the average
     of the high and low prices reported on the Nasdaq National Market on
     January 14, 2002.

================================================================================


<PAGE>

        Pursuant to General Instruction E to Form S-8 under the Securities Act,
this Registration Statement is filed for the purpose of registering additional
securities of the same class as those registered under the currently effective
Registration Statement on Form S-8 (Registration No. 333-66716) relating to the
Plan of MTI Technology Corporation (the "Registrant"), and the contents of that
Registration Statement, including any amendments thereto or filings incorporated
therein, are incorporated herein by this reference.


                                     PART II
                           INFORMATION REQUIRED IN THE
                             REGISTRATION STATEMENT

ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE.

        The following documents filed by the Registrant with the Securities and
Exchange Commission (the "Commission") are incorporated by reference herein:

        a. The Registrant's Annual Report on Form 10-K for the fiscal year ended
April 7, 2001, which includes audited financial statements for the Registrant's
latest fiscal year.

        b. The Registrant's Quarterly Report on Form 10-Q for the fiscal periods
ended July 7, 2001 and October 6, 2001, filed with the Commission on August 21,
2001 and November 20, 2001, respectively.

        c. All other reports filed by the Registrant pursuant to Section 13(a)
or 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), since the end of the fiscal year covered by the audited financial
statements described in (a) above.

        d. The description of the Registrant's Common Stock contained in the
Registrant's Statement on Form 8-A, filed February 15, 1994 under the Exchange
Act, including any amendment or report filed for the purpose of updating such
description.

        All documents filed by the Registrant pursuant to Sections 13(a), 13(c),
14 and 15(d) of the Exchange Act after the date of this Registration Statement
and prior to the filing of a post-effective amendment which indicates that all
securities offered hereby have been sold or which deregisters all securities
then remaining unsold shall be deemed to be incorporated by reference in this
Registration Statement and to be a part hereof from the date of filing of such
documents. Any statement contained in a document incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this
Registration Statement to the extent that a statement contained herein or in any
other subsequently filed document which also is or is deemed to be incorporated
by reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded,
to constitute a part of this Registration Statement.




                                       2
<PAGE>

ITEM 8. EXHIBITS.

         5.1   Opinion of Morrison & Foerster LLP.

        23.1   Consent of Morrison & Foerster LLP (contained in Exhibit 5.1).

        23.2   Consent of KPMG LLP.

        24.1   Power of Attorney (see Signature Page).





                                       3
<PAGE>

                                   SIGNATURES

        Pursuant to the requirements of the Securities Act, the Registrant, MTI
Technology Corporation, certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Anaheim, State of California, on January 16,
2002.

                                      MTI TECHNOLOGY CORPORATION


                                      By:   /s/ Thomas P. Raimondi, Jr.
                                         ---------------------------------------
                                         Thomas P. Raimondi, Jr.
                                         President, Chief Executive Officer and
                                         Vice Chairman of the Board of Directors


                                POWER OF ATTORNEY

        Each person whose signature appears below constitutes and appoints
Thomas P. Raimondi, Jr. and Paul W. Emery, II, and each of them, as
attorneys-in-fact, each with the power of substitution, for him in any and all
capacities, to sign any amendment to this Registration Statement and to file the
same, with exhibits thereto and other documents in connection therewith, with
the Securities and Exchange Commission, granting to said attorneys-in-fact, full
power and authority to do and perform each and every act and thing requisite and
necessary to be done in connection therewith, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and confirming the
said attorney-in-fact or his substitute or substitutes, may lawfully do or cause
to be done by virtue hereof.

        Pursuant to the requirements of the Securities Act, this Registration
Statement has been signed by the following persons in the capacities and on the
date indicated.

<TABLE>
<CAPTION>

Signature                                   Title                    Date
---------                                   -----                    ----
<S>                                         <C>                      <C>


    /s/ Thomas P. Raimondi, Jr.             President, Chief         January 16, 2002
------------------------------------        Executive Officer and
     Thomas P. Raimondi, Jr.                Vice Chairman of the
                                            Board of Directors
                                            (Principal Executive
                                            Officer)
</TABLE>




                                       4

<PAGE>

<TABLE>
<S>                                         <C>                      <C>
    /s/ Paul W. Emery, II                   Chief Operating          January 16, 2002
---------------------------------           Officer, Acting Chief
       Paul W. Emery, II                    Financial Officer and
                                            Secretary (Principal
                                            Financial and
                                            Accounting Officer)


    /s/ Franz Cristiani                     Director                 January 15, 2002
---------------------------------
     Franz Cristiani


    /s/ Val Kreidel                         Director                 January 15, 2002
---------------------------------
    Val Kreidel


    /s/ Al Melrose                          Director                 January 16, 2002
---------------------------------
    Al Melrose


                                            Chairman of the Board    January __, 2002
---------------------------------           of Directors
    Raymond J. Noorda


    /s/ John Repp                           Director                 January 15, 2002
---------------------------------
    John Repp


    /s/ Kent Smith                          Director                 January 16, 2002
---------------------------------
    Kent Smith


    /s/ Ralph J. Yarro, III                 Director                 January 15, 2002
---------------------------------
    Ralph J. Yarro, III
</TABLE>




                                       5
<PAGE>

                                INDEX TO EXHIBITS



<TABLE>
<CAPTION>
EXHIBIT
NUMBER                       DOCUMENT
-------                      --------
<S>            <C>
   5.1         Opinion of Morrison & Foerster LLP.

  23.1         Consent of Morrison & Foerster LLP (contained in Exhibit 5.1).

  23.2         Consent of KPMG LLP.

  24.1         Power of Attorney (see Signature Page).
</TABLE>





                                       6
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{"company-data": {"conformed-name": "MTI TECHNOLOGY CORP", "cik": "0000901696", "assigned-sic": "3572", "irs-number": "953601802", "state-of-incorporation": "DE", "fiscal-year-end": "0403"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-76972", "film-number": "2512425"}, "business-address": {"street1": "4905 E LA PALMA AVE", "city": "ANAHEIM", "state": "CA", "zip": "92807", "phone": "7149700300"}, "mail-address": {"street1": "4905 E LA PALMA AVE", "city": "ANAHEIM", "state": "CA", "zip": "92807"}}
AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JANUARY 18, 2002

                                                 REGISTRATION NO. 333-  ________
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                -----------------

                                    FORM S-8

                             REGISTRATION STATEMENT

                                      UNDER

                           THE SECURITIES ACT OF 1933

                                -----------------

                           MTI TECHNOLOGY CORPORATION
             (Exact Name of Registrant as Specified in its Charter)

               DELAWARE                                     95-3601802
   (State or Other Jurisdiction of                       (I.R.S. Employer
    Incorporation or Organization)                    Identification Number)

                            4905 EAST LA PALMA AVENUE
                            ANAHEIM, CALIFORNIA 92806
                                 (714) 970-0300
                    (Address of Principal Executive Offices)

                            2001 STOCK INCENTIVE PLAN
                              (Full Title of Plan)

                                -----------------

                             THOMAS P. RAIMONDI, JR.
                      PRESIDENT AND CHIEF EXECUTIVE OFFICER
                            4905 EAST LA PALMA AVENUE
                            ANAHEIM, CALIFORNIA 92806
                     (Name and Address of Agent for Service)

                                 (714) 970-0300
          (Telephone Number, Including Area Code, of Agent For Service)

                                    Copy to:
                            TAMARA POWELL TATE, ESQ.
                             MORRISON & FOERSTER LLP
                                  TWELFTH FLOOR
                            19900 MACARTHUR BOULEVARD
                          IRVINE, CALIFORNIA 92612-2445
                                 (949) 251-7500

                                -----------------
CALCULATION OF REGISTRATION FEE
==========================================================================================================
                                                            MAXIMUM       PROPOSED MAXIMUM     AMOUNT OF
 TITLE OF EACH CLASS OF SECURITIES      AMOUNT TO       OFFERING PRICE   AGGREGATE OFFERING  REGISTRATION
         TO BE REGISTERED            BE REGISTERED(1)     PER UNIT(3)          PRICE(3)          FEE
----------------------------------------------------------------------------------------------------------
Common Stock, $.001 par
 value per share                    974,528 shares(2)        $1.87            $1,822,368        $168.00
==========================================================================================================
(1)  Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the
     "Securities Act"), this Registration Statement includes an indeterminate
     number of additional shares which may be offered and issued to prevent
     dilution from stock splits, stock dividends or similar transactions as
     provided in the Registrant's 2001 Stock Incentive Plan (the "Plan").

(2)  Represents shares of Common Stock that are available for issuance under the
     Plan as a result of the automatic "evergreen" provision contained in the
     Plan (which includes shares authorized to be issued under the Plan pursuant
     to the awards granted under the Registrant's 2001 Non-employee Director
     Option Program).

(3)  Estimated solely for the purpose of calculating the registration fee.
     Pursuant to Rule 457(c) and Rule 457(h) under the Securities Act, the
     proposed maximum offering price per share and the proposed maximum
     aggregate offering price have been determined on the basis of the average
     of the high and low prices reported on the Nasdaq National Market on
     January 14, 2002.

================================================================================
Pursuant to General Instruction E to Form S-8 under the Securities Act,
this Registration Statement is filed for the purpose of registering additional
securities of the same class as those registered under the currently effective
Registration Statement on Form S-8 (Registration No. 333-66716) relating to the
Plan of MTI Technology Corporation (the "Registrant"), and the contents of that
Registration Statement, including any amendments thereto or filings incorporated
therein, are incorporated herein by this reference.

                                     PART II
                           INFORMATION REQUIRED IN THE
                             REGISTRATION STATEMENT

ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE.

        The following documents filed by the Registrant with the Securities and
Exchange Commission (the "Commission") are incorporated by reference herein:

        a. The Registrant's Annual Report on Form 10-K for the fiscal year ended
April 7, 2001, which includes audited financial statements for the Registrant's
latest fiscal year.

        b. The Registrant's Quarterly Report on Form 10-Q for the fiscal periods
ended July 7, 2001 and October 6, 2001, filed with the Commission on August 21,
2001 and November 20, 2001, respectively.

        c. All other reports filed by the Registrant pursuant to Section 13(a)
or 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), since the end of the fiscal year covered by the audited financial
statements described in (a) above.

        d. The description of the Registrant's Common Stock contained in the
Registrant's Statement on Form 8-A, filed February 15, 1994 under the Exchange
Act, including any amendment or report filed for the purpose of updating such
description.

        All documents filed by the Registrant pursuant to Sections 13(a), 13(c),
14 and 15(d) of the Exchange Act after the date of this Registration Statement
and prior to the filing of a post-effective amendment which indicates that all
securities offered hereby have been sold or which deregisters all securities
then remaining unsold shall be deemed to be incorporated by reference in this
Registration Statement and to be a part hereof from the date of filing of such
documents. Any statement contained in a document incorporated by reference
herein shall be deemed to be modified or superseded for purposes of this
Registration Statement to the extent that a statement contained herein or in any
other subsequently filed document which also is or is deemed to be incorporated
by reference herein modifies or supersedes such statement. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded,
to constitute a part of this Registration Statement.

                                       2
ITEM 8. EXHIBITS.

         5.1   Opinion of Morrison & Foerster LLP.

        23.1   Consent of Morrison & Foerster LLP (contained in Exhibit 5.1).

        23.2   Consent of KPMG LLP.

        24.1   Power of Attorney (see Signature Page).

                                       3
SIGNATURES

        Pursuant to the requirements of the Securities Act, the Registrant, MTI
Technology Corporation, certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form S-8 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned, thereunto
duly authorized, in the City of Anaheim, State of California, on January 16,
2002.

                                      MTI TECHNOLOGY CORPORATION

                                      By:   /s/ Thomas P. Raimondi, Jr.
                                         ---------------------------------------
                                         Thomas P. Raimondi, Jr.
                                         President, Chief Executive Officer and
                                         Vice Chairman of the Board of Directors

                                POWER OF ATTORNEY

        Each person whose signature appears below constitutes and appoints
Thomas P. Raimondi, Jr. and Paul W. Emery, II, and each of them, as
attorneys-in-fact, each with the power of substitution, for him in any and all
capacities, to sign any amendment to this Registration Statement and to file the
same, with exhibits thereto and other documents in connection therewith, with
the Securities and Exchange Commission, granting to said attorneys-in-fact, full
power and authority to do and perform each and every act and thing requisite and
necessary to be done in connection therewith, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and confirming the
said attorney-in-fact or his substitute or substitutes, may lawfully do or cause
to be done by virtue hereof.

        Pursuant to the requirements of the Securities Act, this Registration
Statement has been signed by the following persons in the capacities and on the
date indicated.
Signature                                   Title                    Date
---------                                   -----                    ----
/s/ Thomas P. Raimondi, Jr.             President, Chief         January 16, 2002
------------------------------------        Executive Officer and
     Thomas P. Raimondi, Jr.                Vice Chairman of the
                                            Board of Directors
                                            (Principal Executive
                                            Officer)
4
/s/ Paul W. Emery, II                   Chief Operating          January 16, 2002
---------------------------------           Officer, Acting Chief
       Paul W. Emery, II                    Financial Officer and
                                            Secretary (Principal
                                            Financial and
                                            Accounting Officer)

    /s/ Franz Cristiani                     Director                 January 15, 2002
---------------------------------
     Franz Cristiani

    /s/ Val Kreidel                         Director                 January 15, 2002
---------------------------------
    Val Kreidel

    /s/ Al Melrose                          Director                 January 16, 2002
---------------------------------
    Al Melrose

                                            Chairman of the Board    January __, 2002
---------------------------------           of Directors
    Raymond J. Noorda

    /s/ John Repp                           Director                 January 15, 2002
---------------------------------
    John Repp

    /s/ Kent Smith                          Director                 January 16, 2002
---------------------------------
    Kent Smith

    /s/ Ralph J. Yarro, III                 Director                 January 15, 2002
---------------------------------
    Ralph J. Yarro, III
5
INDEX TO EXHIBITS
EXHIBIT
NUMBER                       DOCUMENT
-------                      --------
5.1         Opinion of Morrison & Foerster LLP.

  23.1         Consent of Morrison & Foerster LLP (contained in Exhibit 5.1).

  23.2         Consent of KPMG LLP.

  24.1         Power of Attorney (see Signature Page).
6