From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Accetta Subject: Re: RAID1, hot-swap and boot integrity Date: Mon, 05 Mar 2007 18:32:32 -0500 Message-ID: <45ECA890.5000701@laurelnetworks.com> References: <45E82EF8.9000106@laurelnetworks.com> <9782.20070302161004.GE31010@boogie.lpds.sztaki.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <9782.20070302161004.GE31010@boogie.lpds.sztaki.hu> Sender: linux-raid-owner@vger.kernel.org To: Gabor Gombas Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Gabor Gombas wrote: > On Fri, Mar 02, 2007 at 09:04:40AM -0500, Mike Accetta wrote: > >> Thoughts or other suggestions anyone? > > This is a case where a very small /boot partition is still a very good > idea... 50-100MB is a good choice (some initramfs generators require > quite a bit of space under /boot while generating the initramfs image > esp. if you use distro-provided "contains-everything-and-the-kitchen-sink" > kernels, so it is not wise to make /boot _too_ small). > > But if you do not want /boot to be separate a moderately sized root > partition is equally good. What you want to avoid is the "whole disk is > a single partition/file system" kind of setup. Yes, we actually have a separate (smallish) boot partition at the front of the array. This does reduce the at-risk window substantially. I'll have to ponder whether it reduces it close enough to negligible to then ignore, but that is indeed a good point to consider. -- Mike Accetta ECI Telecom Ltd. Data Networking Division (previously Laurel Networks)