Hi 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 Upendra Moturi <upendra.m@xxxxxxxxxxxx> > > 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> >> >> 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 >> > 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 > > > > -- > Thanks and Regards, > Upendra.M -- 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
