From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262083AbVFUOZN (ORCPT ); Tue, 21 Jun 2005 10:25:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262093AbVFUOZI (ORCPT ); Tue, 21 Jun 2005 10:25:08 -0400 Received: from cog1.w2cog.org ([206.251.188.12]:35998 "EHLO mail1.w2cog.org") by vger.kernel.org with ESMTP id S262083AbVFUOXv (ORCPT ); Tue, 21 Jun 2005 10:23:51 -0400 Date: Tue, 21 Jun 2005 09:23:40 -0500 (CDT) From: Roy Keene To: Pavel Machek cc: Kyle Moffett , Erik Slagter , linux-kernel@vger.kernel.org Subject: Re: Problem with 2.6 kernel and lots of I/O In-Reply-To: <20050621074114.GA1953@elf.ucw.cz> Message-ID: References: <20050601195922.GA589@openzaurus.ucw.cz> <1117966262.5027.9.camel@localhost.localdomain> <6DCC9CC1-2B5C-430F-96AC-F36477AC8290@mac.com> <20050621074114.GA1953@elf.ucw.cz> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Exactly my point. The problem isn't the NBD, it's the lots of I/O. Roy Keene Planning Systems Inc. On Tue, 21 Jun 2005, Pavel Machek wrote: > Hi! > >> But the problem doesn't occur with the "local" end, it's with the >> "recieving" end (which may be the same thing, but mostly it's not, since I >> tend to reboot the secondary node more). >> >> The problem occurs on the node running `nbd-server' in userspace and not >> nessicarily having "nbd" support. > > nbd-server is nice and simple userland application, doing no magic. If > that makes machine unusable... well, fix the machine ;-). It may me mm > problem or something... It is basically not nbd related. [Remember, > nbd-server is just another userland process, "nothing to do with nbd", > nothing special]. > Pavel > -- > teflon -- maybe it is a trademark, but it should not be. >