From mboxrd@z Thu Jan 1 00:00:00 1970 From: wangsongbo Subject: How to reduce the influenct on the IO when an osd is marked out? Date: Sat, 10 Oct 2015 11:52:53 +0800 Message-ID: <56188B95.7060006@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ceph-users-bounces-idqoXFIVOFJgJs9I8MT0rw@public.gmane.org Sender: "ceph-users" To: ceph-devel , ceph-users-Qp0mS5GaXlQ@public.gmane.org List-Id: ceph-devel.vger.kernel.org Hi all, when an osd is marked out, relative IO will be blocked, in which case, application built on ceph will fail.According to test result, the larger a data is,the longer it will take to elapse. How to reduce the impact of this process on the IO? Thanks and Regards, WangSongbo