EXHIBIT 24

                          AUTHORIZATION LETTER

February 28, 2007

Securities and Exchange Commission
100 F Street, NE
Washington, DC 20549
Attn:  Filing Desk

To Whom It May Concern:

By means of this letter I authorize Hanif Jamal, Shad Burke and
Deborah Weaver, or any of them individually, to sign on my behalf all
forms required under Section 16(a) of the Securities Exchange Act of
1934, as amended, relating to transactions involving the stock or
derivative securities of Dot Hill Systems Corp. (the "Company").
Any of these individuals is accordingly authorized to sign any Form 3,
Form 4, Form 5 or amendment thereto which I am required to file with the
same effect as if I had signed them myself.

This authorization shall remain in effect until revoked in writing by me.

Yours truly,

/s/ Dana Kammersgard
Dana Kammersgard