Check the output carefully, the OP was using a 5 year old version of ceph-deploy. Updating brought success, presumably with Nautilus. > On Apr 5, 2020, at 11:06 AM, Brent Kennedy <bkennedy(a)cfl.rr.com> wrote: > > If you are deploying the octopus release, it cant be installed on CentOS 7 ( > must use centOS 8 currently ). Cant quite tell from that short log snippet. > > -Brent > > -----Original Message----- > From: sz_cuitao(a)163.com <sz_cuitao(a)163.com> > Sent: Sunday, April 5, 2020 2:36 AM > To: ceph-users <ceph-users(a)ceph.io> > Subject: [ceph-users] Cann't create ceph cluster > > hi! > > why can not create custer using ceph-deploy? > > Please give me some advice,thanks! > > > > > [root@cadmin ~]# cat /etc/redhat-release CentOS Linux release 7.7.1908 > (Core) [root@cadmin ~]# [root@cadmin ~]# python --version Python 2.7.5 > [root@cadmin ~]# [root@cadmin ~]# [root@cadmin ~]# su - cephuser Last login: > Sat Apr 4 23:44:23 CST 2020 on pts/0 [cephuser@cadmin ~]$ [cephuser@cadmin > ~]$ cd cluster/ [cephuser@cadmin cluster]$ [cephuser@cadmin cluster]$ > ceph-deploy new cadmin [ceph_deploy.conf][DEBUG ] found configuration file > at: /home/cephuser/.cephdeploy.conf [ceph_deploy.cli][INFO ] Invoked > (1.5.25): /bin/ceph-deploy new cadmin [ceph_deploy.new][DEBUG ] Creating new > cluster named ceph [ceph_deploy.new][INFO ] making sure passwordless SSH > succeeds [ceph_deploy][ERROR ] Traceback (most recent call last): > [ceph_deploy][ERROR ] File > "/usr/lib/python2.7/site-packages/ceph_deploy/util/decorators.py", line 69, > in newfunc > [ceph_deploy][ERROR ] return f(*a, **kw) > [ceph_deploy][ERROR ] File > "/usr/lib/python2.7/site-packages/ceph_deploy/cli.py", line 162, in _main > [ceph_deploy][ERROR ] return args.func(args) > [ceph_deploy][ERROR ] File > "/usr/lib/python2.7/site-packages/ceph_deploy/new.py", line 141, in new > [ceph_deploy][ERROR ] ssh_copy_keys(host, args.username) > [ceph_deploy][ERROR ] File > "/usr/lib/python2.7/site-packages/ceph_deploy/new.py", line 35, in > ssh_copy_keys > [ceph_deploy][ERROR ] if ssh.can_connect_passwordless(hostname): > [ceph_deploy][ERROR ] File > "/usr/lib/python2.7/site-packages/ceph_deploy/util/ssh.py", line 15, in > can_connect_passwordless > [ceph_deploy][ERROR ] if not remoto.connection.needs_ssh(hostname): > [ceph_deploy][ERROR ] AttributeError: 'module' object has no attribute > 'needs_ssh' > [ceph_deploy][ERROR ] > > > > > > > > > sz_cuitao(a)163.com > _______________________________________________ > ceph-users mailing list -- ceph-users(a)ceph.io To unsubscribe send an email > to ceph-users-leave(a)ceph.io > _______________________________________________ > ceph-users mailing list -- ceph-users(a)ceph.io > To unsubscribe send an email to ceph-users-leave(a)ceph.io