From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wido den Hollander Subject: Re: inode64 mount option for XFS Date: Mon, 03 Nov 2014 15:32:51 +0100 Message-ID: <54579213.5070900@42on.com> References: <545774FA.2070102@42on.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from websrv.42on.com ([31.25.102.167]:37538 "EHLO websrv.42on.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751370AbaKCOc7 (ORCPT ); Mon, 3 Nov 2014 09:32:59 -0500 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Sage Weil Cc: ceph-devel On 11/03/2014 03:20 PM, Sage Weil wrote: > On Mon, 3 Nov 2014, Wido den Hollander wrote: >> Hi, >> >> While look at init-ceph and ceph-disk I noticed a discrepancy between them. >> >> init-ceph mounts XFS filesystems with rw,noatime,inode64, but >> ceph-disk(-active) with rw,noatime >> >> As inode64 gives the best performance, shouldn't ceph-disk do the same? > > I noticed this a while back but didn't finish fixing it.. can you take a > look at wip-xfs-inode64 and see if it looks right? > Looks good to me. Simple fix, but that should do it. >> Any implications if we add inode64 on running deployments? > > I don't think so! Note that on new kernels I think inode64 is now the > default, so this is really about performance on older systems (precise, > rhel6, probably). > Yes, I noticed that later on. But it gives consistency. Ubuntu precise and RHEL 6 will be around for quite some time, so it would be better to enable it for those systems as well. Wido > sage > >> >> -- >> Wido den Hollander >> 42on B.V. >> Ceph trainer and consultant >> >> Phone: +31 (0)20 700 9902 >> Skype: contact42on >> -- >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> >> > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Wido den Hollander 42on B.V. Ceph trainer and consultant Phone: +31 (0)20 700 9902 Skype: contact42on