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root@cephosd01:~# fdisk -l /dev/sdb
Disk /dev/sdb: 50 GiB, 53687091200 bytes, 104857600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 87B152E0-EB5D-4EB0-8FFB-C27096CBB1ED
Device Start End Sectors Size Type
/dev/sdb1 10487808 104857566 94369759 45G unknown
/dev/sdb2 2048 10487807 10485760 5G unknown
Partition table entries are not in disk order.
root@cephosd01:~# fdisk -l /dev/sdc
Disk /dev/sdc: 50 GiB, 53687091200 bytes, 104857600 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 31B81FCA-9163-4723-B195-97AEC9568AD0
Device Start End Sectors Size Type
/dev/sdc1 10487808 104857566 94369759 45G unknown
/dev/sdc2 2048 10487807 10485760 5G unknown
Partition table entries are not in disk order.
Am 11.07.2016 um 18:01 schrieb George
Shuklin:
Check out partition type for data
partition for ceph.
fdisk -l /dev/sdc
On 07/11/2016 04:03 PM, Dirk Laurenz wrote:
hmm, helps partially ... running
/usr/sbin/ceph-disk trigger /dev/sdc1 or sdb1 works and
brings osd up..
systemctl enable does not help....
Am 11.07.2016 um 14:49 schrieb
George Shuklin:
Short story how OSDs are started
in systemd environments:
Ceph OSD parittions has specific typecode (partition type 4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D).
It handled by udev rules shipped by ceph package:
/lib/udev/rules.d/95-ceph-osd.rules
It set up proper owner/group for this disk ('ceph' instead
'root') and calls /usr/sbin/ceph-disk trigger.
ceph-disk triggers creation of instance of ceph-disk@
systemd unit (to mount disk to /var/lib/ceph/osd/...), and
ceph-osd@ (i'm not sure about all sequence of events).
Basically, to make OSD autostart they NEED to have proper
typecode in their partition. If you using something
different (like 'directory based OSD') you should enable
OSD autostart:
systemctl enable ceph-osd@42
On 07/11/2016 03:32 PM, Dirk Laurenz wrote:
Hello,
i'm new to ceph an try to do some first steps with ceph to
understand concepts.
my setup is at first completly in vm....
i deployed (with ceph-deploy) three monitors and three osd
hosts. (3+3 vms)
my frist test was to find out, if everything comes back
online after a system restart. this works fine for the
monitors, but fails for the osds. i have to start them
manually.
OS is debian jessie, ceph is the current release....
Where can find out, what's going wrong....
Dirk
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