No, mons can only have exactly one IP address and they'll only listen
on that IP.

As David suggested: check if you really need separate networks. This
setup usually creates more problems than it solves, especially if you
have one 1G and one 10G network.

Paul
Am Mo., 1. Okt. 2018 um 04:11 Uhr schrieb Joshua Chen
<csc...@asiaa.sinica.edu.tw>:
>
> Hello Paul,
>   Thanks for your reply.
>   Now my clients will be from 140.109 (LAN, the real ip network 1Gb/s) and 
> from 10.32 (SAN, a closed 10Gb network). Could I make this public_network to 
> be 0.0.0.0? so mon daemon listens on both 1Gb and 10Gb network?
>   Or could I have
> public_network = 140.109.169.0/24, 10.32.67.0/24
> cluster_network = 10.32.67.0/24
>
> does ceph allow 2 (multiple) public_network?
>
>   And I don't want to limit the client read/write speed to be 1Gb/s nics 
> unless they don't have 10Gb nic installed. To guarantee clients read/write to 
> osd (when they know the details of the location) they should be using the 
> fastest nic (10Gb) when available. But other clients with only 1Gb nic will 
> go through 140.109.0.0 (1Gb LAN) to ask mon or to read/write to osds. This is 
> why my osds also have 1Gb and 10Gb nics with 140.109.0.0 and 10.32.0.0 
> networking respectively.
>
> Cheers
> Joshua
>
> On Sun, Sep 30, 2018 at 12:09 PM David Turner <drakonst...@gmail.com> wrote:
>>
>> The cluster/private network is only used by the OSDs. Nothing else in ceph 
>> or its clients communicate using it. Everything other than osd to osd 
>> communication uses the public network. That includes the MONs, MDSs, 
>> clients, and anything other than an osd talking to an osd. Nothing else 
>> other than osd to osd traffic can communicate on the private/cluster network.
>>
>> On Sat, Sep 29, 2018, 6:43 AM Paul Emmerich <paul.emmer...@croit.io> wrote:
>>>
>>> All Ceph clients will always first connect to the mons. Mons provide
>>> further information on the cluster such as the IPs of MDS and OSDs.
>>>
>>> This means you need to provide the mon IPs to the mount command, not
>>> the MDS IPs. Your first command works by coincidence since
>>> you seem to run the mons and MDS' on the same server.
>>>
>>>
>>> Paul
>>> Am Sa., 29. Sep. 2018 um 12:07 Uhr schrieb Joshua Chen
>>> <csc...@asiaa.sinica.edu.tw>:
>>> >
>>> > Hello all,
>>> >   I am testing the cephFS cluster so that clients could mount -t ceph.
>>> >
>>> >   the cluster has 6 nodes, 3 mons (also mds), and 3 osds.
>>> >   All these 6 nodes has 2 nic, one 1Gb nic with real ip (140.109.0.0) and 
>>> > 1 10Gb nic with virtual ip (10.32.0.0)
>>> >
>>> > 140.109. Nic1 1G<-MDS1->Nic2 10G 10.32.
>>> > 140.109. Nic1 1G<-MDS2->Nic2 10G 10.32.
>>> > 140.109. Nic1 1G<-MDS3->Nic2 10G 10.32.
>>> > 140.109. Nic1 1G<-OSD1->Nic2 10G 10.32.
>>> > 140.109. Nic1 1G<-OSD2->Nic2 10G 10.32.
>>> > 140.109. Nic1 1G<-OSD3->Nic2 10G 10.32.
>>> >
>>> >
>>> >
>>> > and I have the following questions:
>>> >
>>> > 1, can I have both public (140.109.0.0) and cluster (10.32.0.0) clients 
>>> > all be able to mount this cephfs resource
>>> >
>>> > I want to do
>>> >
>>> > (in a 140.109 network client)
>>> > mount -t ceph mds1(140.109.169.48):/ /mnt/cephfs -o user=,secret=,,,,
>>> >
>>> > and also in a 10.32.0.0 network client)
>>> > mount -t ceph mds1(10.32.67.48):/
>>> > /mnt/cephfs -o user=,secret=,,,,
>>> >
>>> >
>>> >
>>> >
>>> > Currently, only this 10.32.0.0 clients can mount it. that of public 
>>> > network (140.109) can not. How can I enable this?
>>> >
>>> > here attached is my ceph.conf
>>> >
>>> > Thanks in advance
>>> >
>>> > Cheers
>>> > Joshua
>>> > _______________________________________________
>>> > ceph-users mailing list
>>> > ceph-users@lists.ceph.com
>>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>
>>>
>>>
>>> --
>>> Paul Emmerich
>>>
>>> Looking for help with your Ceph cluster? Contact us at https://croit.io
>>>
>>> croit GmbH
>>> Freseniusstr. 31h
>>> 81247 München
>>> www.croit.io
>>> Tel: +49 89 1896585 90
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@lists.ceph.com
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



-- 
Paul Emmerich

Looking for help with your Ceph cluster? Contact us at https://croit.io

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Freseniusstr. 31h
81247 München
www.croit.io
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