From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dimitri Maziuk Subject: Re: Understanding Ceph Date: Thu, 24 Jan 2013 13:52:15 -0600 Message-ID: <510190EF.60306@bmrb.wisc.edu> References: <50FAC92C.8030709@bmrb.wisc.edu> <50FAE116.2010504@gmail.com> <50FC1DCF.8010304@bmrb.wisc.edu> <51007C0C.2030107@bmrb.wisc.edu> <51013D5F.7090105@bmrb.wisc.edu> <51015318.8000404@bmrb.wisc.edu> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigB23A71B7883D63B1B64E3323" Return-path: Received: from cowfish.bmrb.wisc.edu ([144.92.167.220]:46709 "EHLO mail.bmrb.wisc.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755209Ab3AXTwQ (ORCPT ); Thu, 24 Jan 2013 14:52:16 -0500 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: John Wilkins Cc: Sam Lang , "ceph-devel@vger.kernel.org" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigB23A71B7883D63B1B64E3323 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 01/24/2013 12:38 PM, John Wilkins wrote: > Dima, >=20 > I'm working on a new monitoring and troubleshooting guide now that will= > answer most of the questions related to OSD and placement group states.= I > hope to have it done this week. I have not actually tested the quick st= arts > on centos or rhel distributions, but it's on our radar. The intention o= f > the quick starts is to get you up and running quickly. It doesn't cover= > deeper issues like how to monitor and troubleshoot. I'm working on addi= ng a > lot more substantive content there now. A couple of things in the quick start: - there should be no space between "rw," and "noatime" in osd mount options {fs-type} =3D {mount options} # default mount option is= "rw, noatime" - for ext4, you need to specify "user_xattr" there or mkcephfs will fail (with --mkfs at least). --=20 Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu --------------enigB23A71B7883D63B1B64E3323 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iD8DBQFRAZDvxzG8ttqkbbgRAjQ7AKCEodvxZd1WD6xS+Rg0KoIec6lRhgCggxS1 b7qmj7Pp+YoA+G5PnLcje+o= =/410 -----END PGP SIGNATURE----- --------------enigB23A71B7883D63B1B64E3323--