From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jack Wang Subject: [RFC] md raid resync counter Date: Fri, 01 Nov 2013 13:59:40 +0100 Message-ID: <5273A5BC.5060109@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-raid-owner@vger.kernel.org To: linux-raid@vger.kernel.org, NeilBrown List-Id: linux-raid.ids Hi Neil and all, Is there anyway to know: 1. How often does a raid start to resync? 2. How many bytes did it resync? If not, for the first one, I think we cound add field into mddev like resync_counter, increase when resync done, and annother field into md_rdev to track how many bytes synced to the outdated disk? Regards, Jack