Re: ceph lvm question

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Try using master?

Not sure really what 3.1 supports.

On Mon, Jul 30, 2018 at 2:03 PM, Satish Patel <satish.txt@xxxxxxxxx> wrote:
> Thanks Alfredo,
>
> This is what i am trying to do with ceph-ansible v3.1 and getting
> following error, where i am wrong?
>
> ---
> osd_objectstore: bluestore
> osd_scenario: lvm
> lvm_volumes:
>   - data: /dev/sdb
>
>
>
>
> TASK [ceph-osd : include scenarios/lvm.yml]
> *****************************************************************************************************************
> Saturday 28 July 2018  17:17:18 -0400 (0:00:00.082)       0:11:08.249 *********
> fatal: [osd3]: FAILED! => {"failed": true, "reason": "no action
> detected in task. This often indicates a misspelled module name, or
> incorrect module path.\n\nThe error appears to have been in
> '/etc/ansible/roles/ceph-ansible/roles/ceph-osd/tasks/scenarios/lvm.yml':
> line 3, column 3, but may\nbe elsewhere in the file depending on the
> exact syntax problem.\n\nThe offending line appears to be:\n\n\n-
> name: \"use ceph-volume to create {{ osd_objectstore }} osds\"\n  ^
> here\nWe could be wrong, but this one looks like it might be an issue
> with\nmissing quotes.  Always quote template expression brackets when
> they\nstart a value. For instance:\n\n    with_items:\n      - {{ foo
> }}\n\nShould be written as:\n\n    with_items:\n      - \"{{ foo
> }}\"\n\n\nThe error appears to have been in
> '/etc/ansible/roles/ceph-ansible/roles/ceph-osd/tasks/scenarios/lvm.yml':
> line 3, column 3, but may\nbe elsewhere in the file depending on the
> exact syntax problem.\n\nThe offending line appears to be:\n\n\n-
> name: \"use ceph-volume to create {{ osd_objectstore }} osds\"\n  ^
> here\nWe could be wrong, but this one looks like it might be an issue
> with\nmissing quotes.  Always quote template expression brackets when
> they\nstart a value. For instance:\n\n    with_items:\n      - {{ foo
> }}\n\nShould be written as:\n\n    with_items:\n      - \"{{ foo
> }}\"\n\nexception type: <class
> 'ansible.errors.AnsibleParserError'>\nexception: no action detected in
> task. This often indicates a misspelled module name, or incorrect
> module path.\n\nThe error appears to have been in
> '/etc/ansible/roles/ceph-ansible/roles/ceph-osd/tasks/scenarios/lvm.yml':
> line 3, column 3, but may\nbe elsewhere in the file depending on the
> exact syntax problem.\n\nThe offending line appears to be:\n\n\n-
> name: \"use ceph-volume to create {{ osd_objectstore }} osds\"\n  ^
> here\nWe could be wrong, but this one looks like it might be an issue
> with\nmissing quotes.  Always quote template expression brackets when
> they\nstart a value. For instance:\n\n    with_items:\n      - {{ foo
> }}\n\nShould be written as:\n\n    with_items:\n      - \"{{ foo
> }}\"\n"}
>
> On Mon, Jul 30, 2018 at 1:11 PM, Alfredo Deza <adeza@xxxxxxxxxx> wrote:
>> On Sat, Jul 28, 2018 at 12:44 AM, Satish Patel <satish.txt@xxxxxxxxx> wrote:
>>> I have simple question i want to use LVM with bluestore (Its
>>> recommended method), If i have only single SSD disk for osd in that
>>> case i want to keep journal + data on same disk so how should i create
>>> lvm to accommodate ?
>>
>> bluestore doesn't have a journal like filestore, but probably you mean
>> block.db ? The naming conventions are different.
>>
>> In the case of bluestore, what you are describing doesn't require to
>> have split LVs for each OSD component. You can simply do this:
>>
>>     ceph-volume lvm create --bluestore --data /dev/sdb
>>
>> Behind the scenes, ceph-volume will create the vg/lv for /dev/sdb and
>> get everything working
>>
>>>
>>> Do i need to do following
>>>
>>> pvcreate /dev/sdb
>>> vgcreate vg0 /dev/sdb
>>>
>>> Now i have vg(500GB) so i will create two lv-01 (10G Journal) and
>>> lv-02 (490GB Data)
>>>
>>> I am doing correct?
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@xxxxxxxxxxxxxx
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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