Hi, On Thu, Jun 17, 2010 at 3:54 AM, Yehuda Sadeh Weinraub <yehudasa@xxxxxxxxx> wrote: > On Tue, Jun 15, 2010 at 7:32 PM, Min Zhou <coderplay@xxxxxxxxx> wrote: >> Hi, Yehuda, >> >> >> >> >> On Wed, Jun 16, 2010 at 5:19 AM, Yehuda Sadeh Weinraub >> <yehudasa@xxxxxxxxx> wrote: >>> On Tue, Jun 15, 2010 at 1:54 PM, Min Zhou <coderplay@xxxxxxxxx> wrote: >>>> >>>> >>>> Still two questions: >>>> 1. Why it prompted the need of all osd's root passwords? >>> You specified --allhosts in the mkcephfs script command line. The >>> script uses ssh to run commands on the remote hosts, so you'd probably >>> need to setup your environment so that it doesn't prompt for password >>> when you login there (e.g., one way to do it is to create a >>> private/public keys pair, put the copy of your public key in the >>> remote host under ~/.ssh/authorized_keys). >> >> >> Actually, my machines were configured to SSH to without being prompted >> for a password from any node to another one under the same user >> account ceph. Why the system ask me for root passwords? > > In order to use btrfs volumes the system needs to access the machines > as root (this is the default behavior). Also note that your 'user' > entry in your ceph.conf is messed up. > Currently, I use ext3 as ceph cluster 's underlying ods, is that okay? >> >> Btw, it seems there is still somewhat incorrectnesses of my >> deployment, see below >> >> $ ceph -c ceph_conf/ceph.conf start >> 10.06.16 05:00:29.182841 439bc940 -- :/10572 >> 192.168.0.2:6789/0 >> pipe(0x108f2df0 sd=-1 pgs=0 cs=0 l=0).fault first fault >> 10.06.16 05:00:39.185779 42fbb940 monclient(hunting): continuing hunt >> 10.06.16 05:00:39.186014 41ab6940 -- :/10572 >> 192.168.0.2:6789/0 >> pipe(0x108f58b0 sd=-1 pgs=0 cs=0 l=0).fault first fault > > This looks like your monitors are down. > > Yehuda > Thanks, Min -- My research interests are distributed systems, parallel computing and bytecode based virtual machine. My profile: http://www.linkedin.com/in/coderplay My blog: http://coderplay.javaeye.com -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html