Can a district court dismiss a petition for writ of habeas corpus?

Rule 4 of the Rules Governing Section 2254 Cases allows a district court to dismiss a petition if it "plainly appears from the face of the petition and any exhibits annexed to it that the petitioner is not entitled to relief in the district court . . . ." Rule 4 of the Rules Governing Section 2254 Cases. The Advisory Committee Notes to Rule 8 indicate that the court may dismiss a petition for writ of habeas corpus, either on its own motion under Rule 4, pursuant to the respondent's motion to dismiss, or after an answer to the petition has been filed. Herbst v. Cook, 260 F.3d 1039 (9^th Cir.2001).