From owner-freebsd-geom@FreeBSD.ORG Mon Oct 24 10:19:48 2011 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E28021065674 for ; Mon, 24 Oct 2011 10:19:48 +0000 (UTC) (envelope-from gcubfg-freebsd-geom@m.gmane.org) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by mx1.freebsd.org (Postfix) with ESMTP id 994708FC08 for ; Mon, 24 Oct 2011 10:19:48 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1RIHdB-0007JN-4h for freebsd-geom@freebsd.org; Mon, 24 Oct 2011 12:19:45 +0200 Received: from lara.cc.fer.hr ([161.53.72.113]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 24 Oct 2011 12:19:45 +0200 Received: from ivoras by lara.cc.fer.hr with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 24 Oct 2011 12:19:45 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-geom@freebsd.org From: Ivan Voras Date: Mon, 24 Oct 2011 12:19:31 +0200 Lines: 38 Message-ID: References: <4710290662.20111023171935@serebryakov.spb.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig26C7DA7FCA947274BEA190C1" X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: lara.cc.fer.hr User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:7.0.1) Gecko/20111004 Thunderbird/7.0.1 In-Reply-To: <4710290662.20111023171935@serebryakov.spb.ru> X-Enigmail-Version: 1.1.2 Subject: Re: GEOM "splicing"? Is it possible to insert GEOM into stack on-line? X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Oct 2011 10:19:49 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig26C7DA7FCA947274BEA190C1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 23/10/2011 15:19, Lev Serebryakov wrote: > Hello, Freebsd-geom. >=20 > As far as I remeber, there was some support for "splicing" GEOM I/O > schedulers into "live" GEOM graph without rebuilding graph from > scratches. AFAIK it was a relatively dirty hack; a better, more systematic solution is being discussed for a long time now... > Is it possible now for GEOM class, which is completely transparent > (like geom_nop, without offsets, errors, etc) to be inserted into live > GEOM graph? I need to put one such GEOM between device and file system > and I don't want to stop server, unmount filesystem, etc... Short answer: no. --------------enig26C7DA7FCA947274BEA190C1 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk6lO7MACgkQldnAQVacBcjOfgCfSVe+TgZCNwC44oKL0J5TsVnL COMAoJuj96/eiZ8m9iPB2YuR431q2TFY =JR0S -----END PGP SIGNATURE----- --------------enig26C7DA7FCA947274BEA190C1--