Ah, that seems to be a bug in the init script. Are you using a recent master branch? -Sam On 03/17/2011 12:20 AM, Upendra Moturi wrote: > I too had the same problem. > Only one option i found(just for testing)i had to stop the cluster and > start it again. > > /etc/init.d/ceph start osd<n> does not do anything as this not even > going into start case . > > > 2011/3/17 Samuel Just <samuelj@xxxxxxxxxxxxxxx > <mailto:samuelj@xxxxxxxxxxxxxxx>> > > From the looks of the fdisk output, it seems that the disk was not > recognized by the OS when it was reinserted? The OSD daemon won't be > able to start if the disk is not found. > -Sam > > On 03/16/2011 05:08 PM, huang jun wrote: > > Hi, > > Recently, I try to do “adding/removing osds ” in ceph wiki > > Here is what I ave done > > <1> build a cluster with mon/mds/osd0 in the same machine “host0” > > And start it,everything is ok > > <2> follow the wiki ceph ,add a disk (/dev/sdb4)into host0 > > It’s ok ,”ceph osd dump ?o ? “show that there are two osds and > > state are in/up > > <3> write a 4G file > > pull out the osd1 when it about writes 2G ,the osd1 was marked down > > and 5 mins laster > > it was marked out,but use “df ?hl ” > > I find “/dev/sdb4 885G 2.7M 885G 1% /data/osd1” (it’s right?) > > so when re-insert the disk ,” fdisk ?l“ show me: > > > > Disk /dev/sda: 1000.2 GB, 1000204886016 bytes > > 255 heads, 63 sectors/track, 121601 cylinders > > Units = cylinders of 16065 * 512 = 8225280 bytes > > Disk identifier: 0x000d6542 > > Device Boot Start End Blocks Id System > > /dev/sda1 * 1 3263 26210016 83 Linux > > /dev/sda2 3264 6134 23061307+ f W95 Ext'd (LBA) > > /dev/sda3 6135 121601 927488677+ 83 Linux > > /dev/sda5 3264 4307 8385898+ 82 Linux swap / Solaris > > /dev/sda6 4308 5612 10482381 83 Linux > > /dev/sda7 5613 6134 4192933+ 83 Linux > > > > Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes > > 255 heads, 63 sectors/track, 121601 cylinders > > Units = cylinders of 16065 * 512 = 8225280 bytes > > Disk identifier: 0x000549cb > > Device Boot Start End Blocks Id System > > /dev/sdc1 * 1 3263 26210016 83 Linux > > /dev/sdc2 3264 6134 23061307+ f W95 Ext'd (LBA) > > /dev/sdc4 6135 121601 927488677+ 83 Linux > > /dev/sdc5 3264 4307 8385898+ 82 Linux swap / Solaris > > /dev/sdc6 4308 5612 10482381 83 Linux > > /dev/sdc7 5613 6134 4192933+ 83 Linux > > > > And finally I can not start osd1 > > Because “/etc/init.d/ceph start osd1 ” do nothing > > Where is my problem?can you find it out for me? > > thanks > > -- > > To unsubscribe from this list: send the line "unsubscribe > ceph-devel" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > <mailto: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 > <mailto:majordomo@xxxxxxxxxxxxxxx> > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > > -- > Thanks and Regards, > Upendra.M -- 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