From: Wido den Hollander <wido@widodh.nl>
To: hemant surale <hemant.surale@gmail.com>
Cc: ceph-devel@vger.kernel.org
Subject: Re: Port no For data Transfer between OSDs
Date: Wed, 05 Sep 2012 13:50:58 +0200 [thread overview]
Message-ID: <50473CA2.3050806@widodh.nl> (raw)
In-Reply-To: <CAGfy=6koSdDSVSiYMwwm5Fm2JeQSCP8Pm4S8UAfSna45Gp0Ntw@mail.gmail.com>
On 09/05/2012 01:20 PM, hemant surale wrote:
> Hi Wido , Community ,
>
> if we use number =2
> in cmd as follows
> "ceph osd pool set <poolname> size <#no>"
>
> does it means for perticular Object we have 2 replica Or total 2
> copies in cluster?
>
That will set replication to "2". That means, every object stored in the
cluster will be stored twice.
It is NOT object + 2, no it's object * 2.
Wido
>
> Regards,
> Hemant Surale.
>
> On Wed, Sep 5, 2012 at 2:44 PM, Wido den Hollander <wido@widodh.nl> wrote:
>> On 09/05/2012 07:30 AM, hemant surale wrote:
>>>
>>> Hi Community ,
>>> I want to trace the data transfer rates occurring between
>>> osds while injecting data into ceph cluster. Can you please tell me
>>> what ports should I monitor or keep track of?
>>> Thanks !
>>
>>
>> OSDs start binding from port 6800 and counting up from there.
>>
>> For example, a machine with 4 OSDs running:
>>
>> root@atom0:~# netstat -nap|grep LISTEN|grep -E ^tcp|grep ceph-osd
>> tcp6 0 0 :::6800 :::* LISTEN 24329/ceph-osd
>> tcp6 0 0 :::6801 :::* LISTEN 24329/ceph-osd
>> tcp6 0 0 :::6802 :::* LISTEN 24329/ceph-osd
>> tcp6 0 0 :::6803 :::* LISTEN 24596/ceph-osd
>> tcp6 0 0 :::6804 :::* LISTEN 24596/ceph-osd
>> tcp6 0 0 :::6805 :::* LISTEN 24596/ceph-osd
>> tcp6 0 0 :::6806 :::* LISTEN 25316/ceph-osd
>> tcp6 0 0 :::6807 :::* LISTEN 25316/ceph-osd
>> tcp6 0 0 :::6808 :::* LISTEN 25316/ceph-osd
>> tcp6 0 0 :::6809 :::* LISTEN 25839/ceph-osd
>> tcp6 0 0 :::6810 :::* LISTEN 25839/ceph-osd
>> tcp6 0 0 :::6811 :::* LISTEN 25839/ceph-osd
>> root@atom0:~#
>>
>> Wido
>>
>>>
>>> Regards,
>>> Hemant Surale.
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>>
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next prev parent reply other threads:[~2012-09-05 11:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-05 5:30 Port no For data Transfer between OSDs hemant surale
2012-09-05 9:14 ` Wido den Hollander
2012-09-05 11:20 ` hemant surale
2012-09-05 11:50 ` Wido den Hollander [this message]
2012-09-05 13:04 ` Wido den Hollander
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