From owner-freebsd-current@FreeBSD.ORG Fri Jan 3 17:41:57 2014 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 446F32B9 for ; Fri, 3 Jan 2014 17:41:57 +0000 (UTC) Received: from mho-02-ewr.mailhop.org (mho-02-ewr.mailhop.org [204.13.248.72]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 15E37120D for ; Fri, 3 Jan 2014 17:41:56 +0000 (UTC) Received: from c-24-8-230-52.hsd1.co.comcast.net ([24.8.230.52] helo=damnhippie.dyndns.org) by mho-02-ewr.mailhop.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1Vz8ku-0004sT-4K; Fri, 03 Jan 2014 17:41:56 +0000 Received: from [172.22.42.240] (revolution.hippie.lan [172.22.42.240]) by damnhippie.dyndns.org (8.14.3/8.14.3) with ESMTP id s03HfrAt024119; Fri, 3 Jan 2014 10:41:53 -0700 (MST) (envelope-from ian@FreeBSD.org) X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 24.8.230.52 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX198Z3MykItEsvABVlQc43+T Subject: Re: ZFS command can block the whole ZFS subsystem! From: Ian Lepore To: "O. Hartmann" In-Reply-To: <20140103171457.0fbf0cd4@telesto> References: <20140103130021.30569db4@thor.walstatt.dyndns.org> <20140103171457.0fbf0cd4@telesto> Content-Type: text/plain; charset="us-ascii" Date: Fri, 03 Jan 2014 10:41:53 -0700 Message-ID: <1388770913.1158.276.camel@revolution.hippie.lan> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: FreeBSD CURRENT , Steven Hartland X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 Jan 2014 17:41:57 -0000 On Fri, 2014-01-03 at 17:14 +0100, O. Hartmann wrote: > > > Issuing the command > > > > > > "rm dumpfile.txt" > > > > > > and then hitting Ctrl-Z to bring the rm command into background > via > > > fg" (I use FreeBSD's csh in that console) locks up the entire > > > command and even worse - it seems to wind up the pool in question > > > for being exported! It's probably just a typo in your email, but "^Z fg" suspends the process then resumes it in foreground; I suspect you meant "^Z bg". Also, at the point you would hit ^Z, it might be handy to hit ^T and see what the process is actually doing. -- Ian