From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id mBGCrQJU012491 for ; Tue, 16 Dec 2008 07:53:26 -0500 Received: from mx03.syneticon.net (mx03.syneticon.net [87.79.32.166]) by mx3.redhat.com (8.13.8/8.13.8) with ESMTP id mBGCrAV3031407 for ; Tue, 16 Dec 2008 07:53:10 -0500 Received: from localhost (filter1.syneticon.net [192.168.113.3]) by mx03.syneticon.net (Postfix) with ESMTP id 993F295A8 for ; Tue, 16 Dec 2008 13:53:09 +0100 (CET) Received: from mx03.syneticon.net ([192.168.113.4]) by localhost (mx03.syneticon.net [192.168.113.3]) (amavisd-new, port 10025) with ESMTP id mFW0qO7nb76i for ; Tue, 16 Dec 2008 13:53:05 +0100 (CET) Received: from [192.168.10.145] (koln-4db40287.pool.einsundeins.de [77.180.2.135]) by mx03.syneticon.net (Postfix) with ESMTP for ; Tue, 16 Dec 2008 13:53:05 +0100 (CET) Message-ID: <4947A4B0.3080409@wpkg.org> Date: Tue, 16 Dec 2008 13:53:04 +0100 From: Tomasz Chmielewski MIME-Version: 1.0 Subject: Re: [linux-lvm] can I freeze I/O for some time to a given disk / md / dm device? References: <49479897.1080500@wpkg.org> <4947A098.5020703@redhat.com> In-Reply-To: <4947A098.5020703@redhat.com> Content-Transfer-Encoding: 7bit Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: LVM general discussion and development Bryn M. Reeves schrieb: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Tomasz Chmielewski wrote: >> Is it possible to "freeze I/O" for some time to a given disk / md / dm >> device? >> >> Say, "freeze I/O" so that userspace waits for any response for 30, 60 >> seconds or more? > > You can suspend/resume dm devices via the dmsetup command. Exactly what I was looking for - thanks! -- Tomasz Chmielewski http://wpkg.org