From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jes Sorensen Subject: Re: [PATCH 0/2] Check node nums for cluster raid Date: Wed, 04 May 2016 11:12:20 -0400 Message-ID: References: <1462350824-9872-1-git-send-email-gqjiang@suse.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1462350824-9872-1-git-send-email-gqjiang@suse.com> (Guoqing Jiang's message of "Wed, 4 May 2016 16:33:42 +0800") Sender: linux-raid-owner@vger.kernel.org To: Guoqing Jiang Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Guoqing Jiang writes: > For cluster raid, we do need at least two nodes for it, > the two patches add the checks before create and change > bitmap. > > Thanks, > Guoqing > > Guoqing Jiang (2): > Create: check the node nums when create clustered raid > super1: don't update node nums if it is not more than 1 > > Create.c | 7 ++++++- > super1.c | 5 +++++ > 2 files changed, 11 insertions(+), 1 deletion(-) Hi Guoqing, I am a little confused on this one - albeit I haven't looked at it in detail. Why should it not be possible to start a cluster with one node? In theory you should be able to do that, and then add nodes later? Cheers, Jes