Return-Path: Delivered-To: apmail-hadoop-general-archive@minotaur.apache.org Received: (qmail 96775 invoked from network); 23 Dec 2010 20:48:25 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 23 Dec 2010 20:48:25 -0000 Received: (qmail 21061 invoked by uid 500); 23 Dec 2010 20:48:24 -0000 Delivered-To: apmail-hadoop-general-archive@hadoop.apache.org Received: (qmail 20982 invoked by uid 500); 23 Dec 2010 20:48:24 -0000 Mailing-List: contact general-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: general@hadoop.apache.org Delivered-To: mailing list general@hadoop.apache.org Received: (qmail 20974 invoked by uid 99); 23 Dec 2010 20:48:24 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 23 Dec 2010 20:48:24 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=10.0 tests=FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of jghoman@gmail.com designates 209.85.215.48 as permitted sender) Received: from [209.85.215.48] (HELO mail-ew0-f48.google.com) (209.85.215.48) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 23 Dec 2010 20:48:17 +0000 Received: by ewy20 with SMTP id 20so322769ewy.35 for ; Thu, 23 Dec 2010 12:47:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:mime-version:received:in-reply-to :references:from:date:message-id:subject:to:content-type; bh=7HSVmee+ZY0YkaXp8No5Qstmr7HWaawz6TYDVjIfu5o=; b=DaXu7wnO3+yQaeSlsPHtqUd5JrqViZGPOMC0WPjSQqJAn6YfOWG9FT0x2m+2NojBZm p2tN570DPbqIc5K4BUP+65C9mCvn7qWzS0oIRBmS6Dwab9pGAxC7O57Lf8qdW9ZgMAnd 3fuqHmWwEr27xrLvCgoyKgYzbyZdP4Bxomoxo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-type; b=ku0QwiHFKm25XH1HchWLOKMTUyO/D7WY17TaFHlDUa1Z3axF1Qf+AVLWLQNTNHtC2g tn3Z/DWrvX0qDTOuXcJieGTZ5MSFjow5BFKUbHn5WXd6Xcprt/o9vt3KxgjJYISppPVH RrcS9WZpEH8QnMMye3wMAqoZYtG0TS5G6pqkY= Received: by 10.213.15.11 with SMTP id i11mr6973816eba.98.1293137277648; Thu, 23 Dec 2010 12:47:57 -0800 (PST) MIME-Version: 1.0 Received: by 10.213.26.15 with HTTP; Thu, 23 Dec 2010 12:47:37 -0800 (PST) In-Reply-To: References: <20101222160311.7ffb9b6d@laptop> <20101223115004.7f8dc48c@pcmoholynagy.informatik.uni-stuttgart.de> From: Jakob Homan Date: Thu, 23 Dec 2010 12:47:37 -0800 Message-ID: Subject: Re: namenode doesn't start after reboot To: general@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 X-Virus-Checked: Checked by ClamAV on apache.org Please move discussions of CDH issues to Cloudera's lists. Thanks. On Thu, Dec 23, 2010 at 12:02 PM, Todd Lipcon wrote: > On Thu, Dec 23, 2010 at 2:50 AM, Bjoern Schiessle wrote: > >> >> 1. I have set up a second dfs.name.dir which is stored at another >> computer (mounted by sshfs) >> > > I would strongly discourage the use of sshfs for the name dir. For one, it's > slow, and for two, I've sen it have some really weird semantics where it's > doing write-back caching. > > Just take a look at its manpage and you should get scared about using it for > a critical mount point like this. > > A soft interruptable NFS mount is a much safer bet. > > -Todd > -- > Todd Lipcon > Software Engineer, Cloudera >