My mistake. To start a daemon on a remote node you need the -a flag. e.g. /etc/init.d/ceph -a start osd<n> -Sam On 03/17/2011 03:50 PM, Samuel Just wrote: > 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 -- 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
