On Thu, 2011-06-02 at 17:33 +0530, Lalit Bhasin wrote: > On Thu, 2011-06-02 at 15:55 +0000, Jeff Wu wrote: > > Hi , > > > > Could you create the folder > > node0: /data/osd0/osd0 /data/osd0/osd1 > > node1: /data/osd1/osd0 /data/osd1/osd1 > > > > or > > try to modify " osd data = /data" at your ceph.conf, > > then create /data/osd0 and /data/osd1 at your node0&&node1. > > > > I had filed the issue at : > > > > http://tracker.newdream.net/issues/1015 > > > > > > but Greg Farnum added the Comment :" > > > > You need to create the directory yourself and this is deliberate. It > > prevents administrators from not fully setting up their cluster and > > accidentally having the OSD use the root partition when they meant to > > use a separate drive mounted at /osd." > > > > Jeff ,Wu > > > Thanks Jeff. This helped. I now used single ceph.conf file on both the > nodes, and used $i substitution for osd and mon, and it worked ( so > kept /data/osd1 and /data/osd0 in node1 and node0 respectively). > > > Subsequently file system creation worked fine, and all ceph daemons > started fine. But mount gives error as below: > -- > lalitb@node0:/data/osd0$ sudo mount -t ceph 192.168.230.12:/ /ceph > [sudo] password for lalitb: > mount error 5 = Input/output error > lalitb@node0:/data/osd0$ > --- > > Where 192.168.230.12 is IP address of node0. Cannot see any error in > syslog. > > - Lalit > Ok, I modified ceph.conf file to create osd journal on writehead mode, and mount was successful after this. It seems this is requirement for non-brtfs. - Lalit > > > > > > > > > > On Thu, 2011-06-02 at 15:41 +0800, Lalit Bhasin wrote: > > > On Thu, 2011-06-02 at 15:14 +0000, Jeff Wu wrote: > > > > Hi , > > > > try the steps: > > > > 1. use root user; > > > > 2. manually create /data/osd${N} folder. > > > Jeff, I ensured that /data/osd0 ( on node0) and /data/osd1 ( on node1) > > > existed before shooting this command on node1. Got same error using root > > > user also ( ofcourse this time there was no permission denied error > > > while writing to error logs). > > > mkcephfs is failing while trying to execute below command on node0: > > > > > > ssh node0 /sbin/mkcephfs -d /tmp/mkcephfs.e3FNLexFkx --init-daemon osd.0 > > > > > > And it is reporting error as: > > > > > > ** ERROR: error creating empty object store in /data/osd1: error 2: No > > > such file or directory > > > > > > Which is somewhat true since /data/osd1 only exists in node1, and not > > > node0. Does it means there are some error in ceph.conf. > > > > > > - Lalit > > > > > > > > > > > > > > > > > Jeff ,Wu > > > > > > > > On Thu, 2011-06-02 at 14:59 +0800, Lalit Bhasin wrote: > > > > > Guys, I am new to ceph. Trying to create a 2 node cluster setup of ceph. > > > > > Getting errors during mk file system : http://dpaste.com/hold/549518/. > > > > > Any idea what's going wrong? > > > > > > > > > > > > > > > - Lalit > > > > > > > > > > -- > > > > > 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 > > > > > > > > > -- > > > 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 > > > > -- > > 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 > -- 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
