Hi!

  You should use ceph-osd@<num> as a service name, not ceph, and systemctl
as a service control utility.

  For example, 'systemctl stop ceph-osd@3'

Best regards,
Vladimir


С уважением,
Дробышевский Владимир
Компания "АйТи Город"
+7 343 2222192
ICQ# - 1921011

Аппаратное и программное обеспечение
IBM, Microsoft, Eset, Яндекс
Поставка проектов "под ключ"
Аутсорсинг ИТ-услуг

2016-07-26 7:11 GMT+05:00 朱 彤 <[email protected]>:

> @Дробышевский thanks, I have tried, but
> # service ceph status
> Redirecting to /bin/systemctl status  ceph.service
> ● ceph.service
>    Loaded: not-found (Reason: No such file or directory)
>    Active: inactive (dead)
>
> compared to another one having /etc/init.d/ceph and CentOS7 as well.
> $ service ceph status
> === osd.6 ===
> osd.6: running failed: '/usr/bin/ceph --admin-daemon
> /var/run/ceph/ceph-osd.6.asok version 2>/dev/null'
>
> They have the same OS, but one has /etc/init.d/ceph, the other one
> doesn't. Probably I skipped some steps by mistake.
> Since /etc/init.d/ceph is a script, can I just copy one to have it work?
>
>
>
>
> ------------------------------
> *发件人:* Дробышевский, Владимир <[email protected]>
> *发送时间:* 2016年7月25日 12:43:54
> *收件人:* 朱 彤
> *抄送:* [email protected]
> *主题:* Re: [ceph-users] 答复: how to transfer ceph cluster from the old
> network-and-hosts to a new one
>
> Hi!
>
>   CentOS 7 is using systemd, so you should stop osd with 'systemctl stop
> ceph-osd@<num>'
>
> Best regards,
> Vladimir
>
>
> С уважением,
> Дробышевский Владимир
> Компания "АйТи Город"
> +7 343 2222192
>
> Аппаратное и программное обеспечение
> IBM, Microsoft, Eset
> Поставка проектов "под ключ"
> Аутсорсинг ИТ-услуг
>
> 2016-07-25 13:44 GMT+05:00 朱 彤 <[email protected]>:
>
>> @Henrik Korkuc <[email protected]> thanks for the tip, operating on it. In
>> order to stop OSD, i need to run /etc/init.d/ceph stop osd.num, but just
>> noticed /etc/init.d/ceph is missing. No such directory or file.  I used
>> ceph-deploy to install the cluster on Centos 7. Any idea?
>>
>> Thanks!
>> ------------------------------
>> *发件人:* ceph-users <[email protected]> 代表 Henrik Korkuc <
>> [email protected]>
>> *发送时间:* 2016年7月25日 8:03:34
>> *收件人:* [email protected]
>> *主题:* Re: [ceph-users] how to transfer ceph cluster from the old
>> network-and-hosts to a new one
>>
>> On 16-07-25 10:55, 朱 彤 wrote:
>>
>> Hi all,
>>
>>
>> I m looking for a method to transfer ceph cluster.
>>
>>
>> Now the cluster is located in network1 that has hosts A, B, C...
>>
>>
>> And the target is to transfer it to network2 that has hosts a,b,c...
>>
>>
>> What I can think of, is adding hosts a, b, c into the current cluster
>> like adding OSD and MON. Then after the data has been rebalanced, down OSD
>> and MON on hosts A,B,C
>>
>>
>> Then the question would be how to know the old OSD could be safely down?
>>
>>
>> This method causes too much redundant operations, other than creating OSD
>> or MON, in the new environment, should I also create PGs and POOLs just
>> like the old cluster has?
>>
>>
>> Is there a more direct way to shift cluster from old network and hosts to
>> a new one?
>>
>>
>> Hey,
>> please refer to recent post named "change of dns names and IP addresses
>> of cluster members" in this mailing list. If both networks are
>> interconnected then migration would be quite easy
>>
>> Thanks!
>>
>>
>>
>>
>> _______________________________________________
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>> [email protected]http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>>
>>
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>>
>>
>
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