From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Ledford Subject: Re: More Hot Unplug/Plug work Date: Fri, 30 Apr 2010 09:38:30 -0400 Message-ID: <4BDADD56.1030208@redhat.com> References: <4BD714A3.9020801@redhat.com> <905EDD02F158D948B186911EB64DB3D11C954788@irsmsx503.ger.corp.intel.com> <4BD874CB.5040803@redhat.com> <905EDD02F158D948B186911EB64DB3D11C95485F@irsmsx503.ger.corp.intel.com> <4BD8A336.7080309@redhat.com> <4BD8A50F.1030904@intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigF042B078607439FB5FB1CF34" Return-path: In-Reply-To: <4BD8A50F.1030904@intel.com> Sender: linux-raid-owner@vger.kernel.org To: Dan Williams Cc: "Labun, Marcin" , Neil Brown , Linux RAID Mailing List , "Ciechanowski, Ed" , "Hawrylewicz Czarnowski, Przemyslaw" List-Id: linux-raid.ids This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigF042B078607439FB5FB1CF34 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 04/28/2010 05:13 PM, Dan Williams wrote: > Doug Ledford wrote: >> On 04/28/2010 02:34 PM, Labun, Marcin wrote: >>> Should an array be split (not assembled) if a domain paths are >>> dividing array into two separate DOMAIN? >> >> I don't think so. Amongst other things, this would make it possible t= o >> render a machine unbootable if you had a type in a domain path. I thi= nk >> I would prefer to allow established arrays to assemble regardless of >> domain path entries. >=20 > This is what I was calling the 'enforce=3D' policy in previous mails. > Whether to block, warn, or ignore arrays that span a domain. I can see= > someone wanting to have something like enforce=3Dplatform to make sure = we > Linux tries to assemble an array that the option-rom can't put together= =2E I would suggest that the proper way to handle this is to warn on assembling an array that spans boundaries but proceed with the assembly (including incremental), warn and require a force flag on creating an array that spans boundaries, and warn and require the force flag to automatically use devices that span boundaries. --=20 Doug Ledford GPG KeyID: CFBFF194 http://people.redhat.com/dledford Infiniband specific RPMs available at http://people.redhat.com/dledford/Infiniband --------------enigF042B078607439FB5FB1CF34 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEARECAAYFAkva3VYACgkQg6WylM+/8ZTnVACeI89pvellHVtUo/j1d8S/vTs6 8kwAniU6+9EIR6fCo54bYHizasqvRDeA =I2pP -----END PGP SIGNATURE----- --------------enigF042B078607439FB5FB1CF34--