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Hello George,
i did what you suggested, but it didn't help...no autostart - i
have to start them manually
root@cephosd01:~# sgdisk -i 1 /dev/sdb
Partition GUID code: 4FBD7E29-9D25-41B8-AFD0-062C0CEFF05D
(Unknown)
Partition unique GUID: 48B7EC4E-A582-4B84-B823-8C3A36D9BB0A
First sector: 10487808 (at 5.0 GiB)
Last sector: 104857566 (at 50.0 GiB)
Partition size: 94369759 sectors (45.0 GiB)
Attribute flags: 0000000000000000
Partition name: 'ceph data'
root@cephosd01:~# sgdisk -i 2 /dev/sdb
Partition GUID code: 45B0969E-9B03-4F30-B4C6-B4B80CEFF106
(Unknown)
Partition unique GUID: 2B7CC697-EFA9-4041-A62C-A044DB2BB03B
First sector: 2048 (at 1024.0 KiB)
Last sector: 10487807 (at 5.0 GiB)
Partition size: 10485760 sectors (5.0 GiB)
Attribute flags: 0000000000000000
Partition name: 'ceph journal'
What makes me wonder - is that partition type is unknown.....
Am 13.07.2016 um 17:16 schrieb George
Shuklin:
As you can see you have 'unknown'
partition type. It should be 'ceph journal' and 'ceph data'.
Stop ceph-osd, unmount partitions and change typecodes for
partition properly:
/sbin/sgdisk
--typecode=PART:4fbd7e29-9d25-41b8-afd0-062c0ceff05d --
/dev/DISK
PART - number of partition with data (1 in your case), so:
/sbin/sgdisk --typecode=1:4fbd7e29-9d25-41b8-afd0-062c0ceff05d
-- /dev/sdb (sdc, etc).
You can change typecode for journal partition too:
/sbin/sgdisk --typecode=2:45b0969e-9b03-4f30-b4c6-b4b80ceff106
-- /dev/sdb
On 07/12/2016 01:05 AM, Dirk Laurenz wrote:
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....
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