-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CCaiEB0bHTAMeMEqFntNLITsdf5b4Gsm37LGHuAOysYye/nOpUukmsSWmsy3LbUh
 5192u6G8yIIGPeQcyEOE3A==

<SEC-DOCUMENT>0001209191-08-046880.txt : 20080812
<SEC-HEADER>0001209191-08-046880.hdr.sgml : 20080812
<ACCEPTANCE-DATETIME>20080812193656
ACCESSION NUMBER:		0001209191-08-046880
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080811
FILED AS OF DATE:		20080812
DATE AS OF CHANGE:		20080812

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DOT HILL SYSTEMS CORP
		CENTRAL INDEX KEY:			0001042783
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				133460176
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2200 FARADAY AVENUE
		STREET 2:		SUITE 100
		CITY:			CARLSBAD
		STATE:			CA
		ZIP:			92008
		BUSINESS PHONE:		760-931-5500

	MAIL ADDRESS:	
		STREET 1:		2200 FARADAY AVENUE
		STREET 2:		SUITE 100
		CITY:			CARLSBAD
		STATE:			CA
		ZIP:			92008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BOX HILL SYSTEMS CORP
		DATE OF NAME CHANGE:	19970722

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CHRIST CHARLES F
		CENTRAL INDEX KEY:			0001200128

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13317
		FILM NUMBER:		081011167

	BUSINESS ADDRESS:	
		STREET 1:		5 FARMINGTON RD
		CITY:			AMHERST
		STATE:			NH
		ZIP:			03031
		BUSINESS PHONE:		6036737724
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c74631_4.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-08-11</periodOfReport>

    <issuer>
        <issuerCik>0001042783</issuerCik>
        <issuerName>DOT HILL SYSTEMS CORP</issuerName>
        <issuerTradingSymbol>HILL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001200128</rptOwnerCik>
            <rptOwnerName>CHRIST CHARLES F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2200 FARADAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>CARLSBAD</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92008</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2008-08-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>68878</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>68878</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>/s/ Hanif I. Jamal, attorney-in-fact</signatureName>
        <signatureDate>2008-08-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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