From mboxrd@z Thu Jan 1 00:00:00 1970 From: Loic Dachary Subject: Re: questions about erasure coded pool and rados Date: Fri, 17 Oct 2014 06:10:52 -0700 Message-ID: <5441155C.3030401@dachary.org> References: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="THsfKX5fIlXeRna7MlvVdl6nxuC6QgSBl" Return-path: Received: from mail2.dachary.org ([91.121.57.175]:47421 "EHLO smtp.dmail.dachary.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751251AbaJQNKz (ORCPT ); Fri, 17 Oct 2014 09:10:55 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: yue longguang , ceph-devel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --THsfKX5fIlXeRna7MlvVdl6nxuC6QgSBl Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi, In addition to Owen's answer: On 17/10/2014 03:13, yue longguang wrote: > 1. why erasure coded pool does not work with rbd? > 2. i used rados command to put a file into erasue coded pool,then rm > it. why the file remains on osd's backend fs all the time? They will go away at some point but they are not removed from the file sy= stem immediately. There is however no risk that they re-appear in ceph ;-= ) Cheers > 3. what is the best use case with erasure coded pool? > 4. command of 'rados ls' is to list objects, where are the object-name = stored? > 5.when a rbd file is put on erasure coded pool, where is the > infomation(rbd name) of the rbd stored? >=20 > thanks > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" i= n > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >=20 --=20 Lo=C3=AFc Dachary, Artisan Logiciel Libre --THsfKX5fIlXeRna7MlvVdl6nxuC6QgSBl Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlRBFVwACgkQ8dLMyEl6F22i/QCgrUiAJ3JefamV7yFSgswjxE3e YScAoMXhHdCpxrGjqp7sY1CxlqM1Ci43 =Wi4W -----END PGP SIGNATURE----- --THsfKX5fIlXeRna7MlvVdl6nxuC6QgSBl--