From mboxrd@z Thu Jan 1 00:00:00 1970 From: Goswin von Brederlow Subject: Re: Write intent bitmaps Date: Fri, 19 Jun 2009 17:01:31 +0200 Message-ID: <87ab44mfn8.fsf@frosties.localdomain> References: <20090608021026139.GMOD14139@cdptpa-omta02.mail.rr.com> <18989.6010.582386.812296@fisica.ufpr.br> <19002.62697.475588.28776@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <19002.62697.475588.28776@notabene.brown> (Neil Brown's message of "Fri, 19 Jun 2009 12:16:09 +1000") Sender: linux-raid-owner@vger.kernel.org To: Neil Brown Cc: Carlos Carvalho , linux-raid@vger.kernel.org List-Id: linux-raid.ids Neil Brown writes: > On Monday June 8, carlos@fisica.ufpr.br wrote: >> >If so, would ext2 probably be the best choice? >> >> That's what the man page says. I find it strange since if it's a file >> the filesystem shouldn't matter. Neil? > > The way that md writes to the bitmap file is not entirely portable > across different filesystems. As the man page say, it is known to > work for ext2 and ext3. Either is a fine choice. > A new filesystem interface is being introduced in 2.6.31 as part of > the swap-over-NFS work. I might end up using that to write to bitmap > files, as it has the right characteristics. But that is very much in > the future. > > NeilBrown How about support to write to a device instead of a file? MfG Goswin