[ceph-users] Re: Ceph OSDs suddenly use public network for heardbeat_check

2023-05-19 Thread Eugen Block
Hi, OSDs don't just communicate with each other but especially with MONs, too. They also check the OSD status (for example OSDs are marked out after 10 minutes if the MONs haven't heard from the OSDs during the mon_osd_down_out_interval), so your /etc/hosts should definitely contain the p

[ceph-users] Re: Ceph OSDs suddenly use public network for heardbeat_check

2023-05-17 Thread Lee, H. (Hurng-Chun)
On Wed, 2023-05-17 at 17:23 +, Marc wrote: > > > > > > In fact, when we start up the cluster, we don't have DNS available > > to > > resolve the IP addresses, and for a short while, all OSDs are > > located > > in a new host called "localhost.localdomain".  At that point, I > > fixed > > it b

[ceph-users] Re: Ceph OSDs suddenly use public network for heardbeat_check

2023-05-17 Thread Marc
> > > In fact, when we start up the cluster, we don't have DNS available to > resolve the IP addresses, and for a short while, all OSDs are located > in a new host called "localhost.localdomain". At that point, I fixed > it by setting the static hostname using `hostnamectl set -hostname > xxx`.