From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andre Noll Subject: [PATCH/RFC 6/6] doc: Clarify documentation of reweight command. Date: Mon, 28 Nov 2011 15:04:36 +0100 Message-ID: <1322489076-31364-7-git-send-email-maan@systemlinux.org> References: <20111121180656.GO13394@systemlinux.org> <1322489076-31364-1-git-send-email-maan@systemlinux.org> Return-path: Received: from mx3.gwdg.de ([134.76.10.16]:45662 "EHLO mx3.gwdg.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753259Ab1K1OQi (ORCPT ); Mon, 28 Nov 2011 09:16:38 -0500 In-Reply-To: <1322489076-31364-1-git-send-email-maan@systemlinux.org> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Tommi Virtanen Cc: Gregory Farnum , Sage Weil , ceph-devel@vger.kernel.org, Andre Noll This has led to some discussions on the mailing list, so let's try to be clear about the meaning of an OSD weight. --- doc/ops/monitor.rst | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/doc/ops/monitor.rst b/doc/ops/monitor.rst index 076c8e1..5fcb0aa 100644 --- a/doc/ops/monitor.rst +++ b/doc/ops/monitor.rst @@ -152,7 +152,9 @@ resending pending requests. :: $ ceph osd reweight N W -Sets the weight of osdN to W. :: +Set the weight of osdN to W. Two OSDs with the same weight will receive +roughly the same number of I/O requests and store approximately the +same amount of data. :: $ ceph osd reweight-by-utilization [threshold] -- 1.7.8.rc1.14.g248db