From owner-freebsd-questions@freebsd.org Thu Jun 1 13:38:06 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 37A1FAFD159 for ; Thu, 1 Jun 2017 13:38:06 +0000 (UTC) (envelope-from raimo+freebsd@erix.ericsson.se) Received: from sessmg23.ericsson.net (sessmg23.ericsson.net [193.180.251.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B7F1D79D3C for ; Thu, 1 Jun 2017 13:38:04 +0000 (UTC) (envelope-from raimo+freebsd@erix.ericsson.se) X-AuditID: c1b4fb2d-5a49e9a000000d37-19-593018b3f077 Received: from ESESSHC006.ericsson.se (Unknown_Domain [153.88.183.36]) by sessmg23.ericsson.net (Symantec Mail Security) with SMTP id 22.C7.03383.3B810395; Thu, 1 Jun 2017 15:37:55 +0200 (CEST) Received: from duper.otp.ericsson.se (153.88.183.153) by smtp.internal.ericsson.com (153.88.183.38) with Microsoft SMTP Server id 14.3.339.0; Thu, 1 Jun 2017 15:35:34 +0200 Received: from duper.otp.ericsson.se (localhost [127.0.0.1]) by duper.otp.ericsson.se (8.15.2/8.15.2) with ESMTP id v51DZWUM002457 for ; Thu, 1 Jun 2017 15:35:32 +0200 (CEST) (envelope-from raimo+freebsd@erix.otp.ericsson.se) Received: (from raimo@localhost) by duper.otp.ericsson.se (8.15.2/8.15.2/Submit) id v51DZVgM002456 for freebsd-questions@freebsd.org; Thu, 1 Jun 2017 15:35:31 +0200 (CEST) (envelope-from raimo+freebsd@erix.otp.ericsson.se) X-Authentication-Warning: duper.otp.ericsson.se: raimo set sender to raimo+freebsd@erix.ericsson.se using -f Date: Thu, 1 Jun 2017 15:35:31 +0200 From: Raimo Niskanen To: Subject: Re: Advice on kernel panics Message-ID: <20170601133531.GA2256@erix.ericsson.se> Mail-Followup-To: freebsd-questions@freebsd.org References: <20170529092043.GA89682@erix.ericsson.se> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.7.2 (2016-11-26) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDLMWRmVeSWpSXmKPExsUyM2K7iu5mCYNIg8t9VhYvv25icWD0mPFp PksAYxSXTUpqTmZZapG+XQJXxqPXx9gLdnNUrPpg38B4hK2LkZNDQsBE4lPXbsYuRi4OIYEj jBIHJ29jhXA2MEq0HjzGBOG0MUlMWzCFGcJ5wihxauFJdoj+HIm3n44ygdgsAioS37fMZgax 2QRMJRp/nmEFsUUElCX+XbsIFhcGqlmx9R4jiM0LtPvrtDPMELa+xMcVr8DqhQSyJJ73tEHV CEqcnPmEBcRmFtCRWLD7E9DdHEC2tMTyfxwgJqeAvcSvRcEgpijIpq9QQ7QlJrw5wDqBUXgW kjmzkMyZhTBnASPzKkbR4tTi4tx0I2O91KLM5OLi/Dy9vNSSTYzAMD645bfuDsbVrx0PMQpw MCrx8NoIGkQKsSaWFVfmHmKU4GBWEuFtZQQK8aYkVlalFuXHF5XmpBYfYpTmYFES53XYdyFC SCA9sSQ1OzW1ILUIJsvEwSnVwFhvNWurjyivnUpt/2ej80nH4pj2SD3YHuZ+3jrbskqrnjPp 71fD+Bu9O146TEx1801/tqDvJfeNk+7/ZG0PBrqJ79loWbRfbHpn9/MrvhapE5LcCs4KyfAb /WLcVSaV2NawocAjvvdyB/uUVBENqdhJm8rj/Qq+pgRuO7Q8b3W97Y0L7n5nlViKMxINtZiL ihMBYsgMUV8CAAA= X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jun 2017 13:38:06 -0000 On Thu, Jun 01, 2017 at 11:58:48AM +0200, Andrea Venturoli wrote: > On 05/29/17 11:20, Raimo Niskanen wrote: > > Hello list. > > > > I have a server that panics about every 3 days and need some advice on how > > to handle that. > > As Doug suggested, it's probably an hardware fault. > > > > However, I've many times seen boxes crash every day or two when an > UFS+SU filesystem gets corrupted. Background fsck won't detect this. > > In order to stop the crashes, I always had to boot into single user mode > and do a fsck -y (twice if asked) on every UFS+SU filesystem. > > Furthermore, if you are using SU+J, you'll have to run fsck first to > deal with the journal and then fsck it again (ignoring the journal). > > This has brought several boxes I manage back on track on many occasions. > > You might want to try this, since the only downside is downtime. Good advice, but I should have given more details from the start. I have only ZFS and NFS filesystems (and devfs andalso fdescfs). -- / Raimo Niskanen, Erlang/OTP, Ericsson AB