Also, It's more safe to have static entries for your cluster - after all if DNS fails for some reason - you don't want to loose your cluster.A kind of 'Best Practice'. Best Regards, Strahil NikolovOn Sep 23, 2019 15:01, TomK <tomkcpr@xxxxxxxxxxx> wrote: > > Do I *really* need specific /etc/hosts entries when I have IPA? > > [root@mdskvm-p01 ~]# cat /etc/hosts > 127.0.0.1 localhost localhost.localdomain localhost4 > localhost4.localdomain4 > ::1 localhost localhost.localdomain localhost6 > localhost6.localdomain6 > [root@mdskvm-p01 ~]# > > I really shouldn't need too. ( Ref below, everything resolves fine. ) > > Cheers, > TK > > > On 9/23/2019 1:32 AM, Strahil wrote: > > Check your /etc/hosts for an entry like: > > 192.168.0.60 mdskvm-p01.nix.mds.xyz mdskvm-p01 > > > > Best Regards, > > Strahil NikolovOn Sep 23, 2019 06:58, TomK <tomkcpr@xxxxxxxxxxx> wrote: > >> > >> Hey All, > >> > >> Take the two hosts below as example. One host shows NFS Server on > >> 192.168.0.60 (FQDN is mdskvm-p01.nix.mds.xyz). > >> > >> The other shows mdskvm-p02 (FQDN is mdskvm-p02.nix.mds.xyz). > >> > >> Why is there no consistency or correct hostname resolution? Where does > >> gluster get the hostnames from? > >> > >> > >> [root@mdskvm-p02 glusterfs]# gluster volume status > >> Status of volume: mdsgv01 > >> Gluster process TCP Port RDMA Port Online Pid > >> ------------------------------------------------------------------------------ > >> Brick mdskvm-p02.nix.mds.xyz:/mnt/p02-d01/g > >> lusterv02 49153 0 Y > >> 17503 > >> Brick mdskvm-p01.nix.mds.xyz:/mnt/p01-d01/g > >> lusterv01 49153 0 Y > >> 15044 > >> NFS Server on localhost N/A N/A N N/A > >> Self-heal Daemon on localhost N/A N/A Y > >> 17531 > >> NFS Server on 192.168.0.60 N/A N/A N N/A > >> Self-heal Daemon on 192.168.0.60 N/A N/A Y > >> 15073 > >> > >> Task Status of Volume mdsgv01 > >> ------------------------------------------------------------------------------ > >> There are no active volume tasks > >> > >> [root@mdskvm-p02 glusterfs]# > >> > >> > >> > >> > >> [root@mdskvm-p01 ~]# gluster volume status > >> Status of volume: mdsgv01 > >> Gluster process TCP Port RDMA Port Online Pid > >> ------------------------------------------------------------------------------ > >> Brick mdskvm-p02.nix.mds.xyz:/mnt/p02-d01/g > >> lusterv02 49153 0 Y > >> 17503 > >> Brick mdskvm-p01.nix.mds.xyz:/mnt/p01-d01/g > >> lusterv01 49153 0 Y > >> 15044 > >> NFS Server on localhost N/A N/A N N/A > >> Self-heal Daemon on localhost N/A N/A Y > >> 15073 > >> NFS Server on mdskvm-p02 N/A N/A N N/A > >> Self-heal Daemon on mdskvm-p02 N/A N/A Y > >> 17531 > >> > >> Task Status of Volume mdsgv01 > >> ------------------------------------------------------------------------------ > >> There are no active volume tasks > >> > >> [root@mdskvm-p01 ~]# > >> > >> > >> > >> But when verifying everything all seems fine: > >> > >> > >> (1): > >> [root@mdskvm-p01 glusterfs]# dig -x 192.168.0.39 > >> ;; QUESTION SECTION: > >> ;39.0.168.192.in-addr.arpa. IN PTR > >> > >> ;; ANSWER SECTION: > >> 39.0.168.192.in-addr.arpa. 1200 IN PTR mdskvm-p02.nix.mds.xyz. > >> [root@mdskvm-p01 glusterfs]# hostname -f > >> mdskvm-p01.nix.mds.xyz > >> [root@mdskvm-p01 glusterfs]# hostname -s > >> mdskvm-p01 > >> [root@mdskvm-p01 glusterfs]# hostname > >> mdskvm-p01.nix.mds.xyz > >> [root@mdskvm-p01 glusterfs]# > >> > >> > >> (2): > >> > >> [root@mdskvm-p02 glusterfs]# dig -x 192.168.0.60 > >> ;; QUESTION SECTION: > >> ;60.0.168.192.in-addr.arpa. IN PTR > >> > >> ;; ANSWER SECTION: > >> 60.0.168.192.in-addr.arpa. 1200 IN PTR mdskvm-p01.nix.mds.xyz. > >> > >> [root@mdskvm-p02 glusterfs]# hostname -s > >> mdskvm-p02 > >> [root@mdskvm-p02 glusterfs]# hostname -f > >> mdskvm-p02.nix.mds.xyz > >> [root@mdskvm-p02 glusterfs]# hostname > >> mdskvm-p02.nix.mds.xyz > >> [root@mdskvm-p02 glusterfs]# > >> > >> > >> Gluster version used is: > >> > >> [root@mdskvm-p01 glusterfs]# rpm -aq|grep -Ei gluster > >> glusterfs-server-3.12.15-1.el7.x86_64 > >> glusterfs-client-xlators-3.12.15-1.el7.x86_64 > >> glusterfs-rdma-3.12.15-1.el7.x86_64 > >> glusterfs-3.12.15-1.el7.x86_64 > >> glusterfs-events-3.12.15-1.el7.x86_64 > >> libvirt-daemon-driver-storage-gluster-4.5.0-10.el7_6.12.x86_64 > >> glusterfs-libs-3.12.15-1.el7.x86_64 > >> glusterfs-fuse-3.12.15-1.el7.x86_64 > >> glusterfs-geo-replication-3.12.15-1.el7.x86_64 > >> python2-gluster-3.12.15-1.el7.x86_64 ________ Community Meeting Calendar: APAC Schedule - Every 2nd and 4th Tuesday at 11:30 AM IST Bridge: https://bluejeans.com/118564314 NA/EMEA Schedule - Every 1st and 3rd Tuesday at 01:00 PM EDT Bridge: https://bluejeans.com/118564314 Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users