Attached files

file filename
EX-31.2 - SECTION 302 CFO CERTIFICATION - Isilon Systems, Inc.dex312.htm
EX-32.2 - SECTION 906 CFO CERTIFICATION - Isilon Systems, Inc.dex322.htm
EX-32.1 - SECTION 906 CEO CERTIFICATION - Isilon Systems, Inc.dex321.htm
EX-10.6 - 2006 EMPLOYEE STOCK PURCHASE PLAN - Isilon Systems, Inc.dex106.htm
EX-31.1 - SECTION 302 CEO CERTIFICATION - Isilon Systems, Inc.dex311.htm
10-K - ANNUAL REPORT ON FORM 10-K - Isilon Systems, Inc.d10k.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-140058) of Isilon Systems, Inc. of our report dated February 5, 2010 relating to the consolidated financial statements, financial statement schedule, and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Seattle, Washington

February 5, 2010