AUTHORIZATION LETTER                  EXHIBIT 24

July 5, 2006


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 Dana Kammersgard,
Shad Burke, Sonia Borden 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/ Hanif I. Jamal
Hanif I. Jamal