cannot add ISO domain

Latest response

Hi All,

After battling with the issue for over a week now, I am finally giving up troubleshooting on my own and sharing it here in hope to find the solution:

Scenario:

1 x dns (10.10.3.219) server (VM on top of esxi)

1 x rhev-m server (10.10.3.220) (VM on top of esxi)

1 x rhev-h server (10.10.3.225) (physical server)

  1. Install rhel 7.3 for rhev-m ….subscribe….attach relevant repos….yum update…..install rhev-m….configure rhev-m using engine-setup…………all done

  2. Access rhev-m administration portal….done

  3. Install rhev-h on physical server….done

  4. Access rhev-m portal, add rhev-h as host in default data center……done

  5. Create data storage domain (LUNs mapped on rhev-h)…done

  6. Attach already created ISO domain in step 1 to default data center……errors

a. Rhev-m portal says “Error while executing action Add Storage Connection: Network error during communication with the Host.”
b. If I try to mount NFS shared ISO Domain directory /var/lib/exports/iso manually on rhev-h it says “mount.nfs: Connection timed out”
c. I can ping both rhev-m & rhev-h servers using ip address and fqdn, which works fine – so I am assuming its not a communication issue

[root@rhvh1 ~]# ping 10.10.3.220
PING 10.10.3.220 (10.10.3.220) 56(84) bytes of data.
64 bytes from 10.10.3.220: icmp_seq=1 ttl=64 time=0.334 ms
64 bytes from 10.10.3.220: icmp_seq=2 ttl=64 time=0.347 ms
64 bytes from 10.10.3.220: icmp_seq=3 ttl=64 time=0.271 ms
^C
--- 10.10.3.220 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 0.271/0.317/0.347/0.036 ms
[root@rhvh1 ~]#

[root@rhvh1 ~]# ping rhvm.mydomain.local
PING rhvm.mydomain.local (10.10.3.220) 56(84) bytes of data.
64 bytes from 10.10.3.220 (10.10.3.220): icmp_seq=1 ttl=64 time=0.342 ms
64 bytes from 10.10.3.220 (10.10.3.220): icmp_seq=2 ttl=64 time=0.266 ms
64 bytes from 10.10.3.220 (10.10.3.220): icmp_seq=3 ttl=64 time=0.215 ms
64 bytes from 10.10.3.220 (10.10.3.220): icmp_seq=4 ttl=64 time=0.230 ms
^C
--- rhvm.mydomain.local ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 7007ms
rtt min/avg/max/mdev = 0.215/0.263/0.342/0.050 ms
[root@rhvh1 ~]#

[root@rhvm ~]# ping 10.10.3.225
PING 10.10.3.225 (10.10.3.225) 56(84) bytes of data.
64 bytes from 10.10.3.225: icmp_seq=1 ttl=64 time=0.354 ms
64 bytes from 10.10.3.225: icmp_seq=2 ttl=64 time=0.321 ms
64 bytes from 10.10.3.225: icmp_seq=3 ttl=64 time=0.305 ms
64 bytes from 10.10.3.225: icmp_seq=4 ttl=64 time=0.279 ms
^C
--- 10.10.3.225 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2999ms
rtt min/avg/max/mdev = 0.279/0.314/0.354/0.034 ms
[root@rhvm ~]#
[root@rhvm ~]#

[root@rhvm ~]# ping rhvh1.mydomain.local
PING rhvh1.mydomain.local (10.10.3.225) 56(84) bytes of data.
64 bytes from 10.10.3.225 (10.10.3.225): icmp_seq=1 ttl=64 time=0.332 ms
64 bytes from 10.10.3.225 (10.10.3.225): icmp_seq=2 ttl=64 time=0.285 ms
64 bytes from 10.10.3.225 (10.10.3.225): icmp_seq=3 ttl=64 time=0.309 ms
64 bytes from 10.10.3.225 (10.10.3.225): icmp_seq=4 ttl=64 time=0.294 ms
64 bytes from 10.10.3.225 (10.10.3.225): icmp_seq=5 ttl=64 time=0.280 ms
^C
--- rhvh1.mydomain.local ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 8009ms
rtt min/avg/max/mdev = 0.280/0.300/0.332/0.018 ms
[root@rhvm ~]#
[root@rhvm ~]#

[root@rhvh1 ~]#
[root@rhvh1 ~]# showmount -e 10.10.3.220
Export list for 10.10.3.220:
/home/iso 10.10.3.0/22
/var/lib/exports/iso (everyone)
[root@rhvh1 ~]#
[root@rhvh1 ~]#

[root@rhvh1 ~]#
[root@rhvh1 ~]# mount -t nfs 10.10.3.220:/var/lib/exports/iso /mnt
mount.nfs: Connection timed out
[root@rhvh1 ~]#
[root@rhvh1 ~]#

[root@rhvh1 ~]# cat /var/log/messages
Mar 7 14:55:12 rhvh1 kernel: NFS: nfs mount opts='vers=4,addr=10.10.3.220,clientaddr=10.10.3.225'
Mar 7 14:55:12 rhvh1 kernel: NFS: parsing nfs mount option 'vers=4'
Mar 7 14:55:12 rhvh1 kernel: NFS: parsing nfs mount option 'addr=10.10.3.220'
Mar 7 14:55:12 rhvh1 kernel: NFS: parsing nfs mount option 'clientaddr=10.10.3.225'
Mar 7 14:55:12 rhvh1 kernel: NFS: MNTPATH: '/var/lib/exports/iso'
Mar 7 14:55:12 rhvh1 kernel: --> nfs4_try_mount()
Mar 7 14:55:12 rhvh1 kernel: --> nfs4_create_server()
Mar 7 14:55:12 rhvh1 kernel: --> nfs4_init_server()
Mar 7 14:55:12 rhvh1 kernel: --> nfs4_set_client()
Mar 7 14:55:12 rhvh1 kernel: --> nfs_get_client(10.10.3.220,v4)
Mar 7 14:55:12 rhvh1 kernel: NFS: get client cookie (0xffff88204eb61400/0xffff88205dea7058)
Mar 7 14:55:12 rhvh1 kernel: nfs_create_rpc_client: cannot create RPC client. Error = -22
Mar 7 14:59:30 rhvh1 kernel: nfs_create_rpc_client: cannot create RPC client. Error = -110
Mar 7 14:59:30 rhvh1 kernel: --> nfs_put_client({1})
Mar 7 14:59:30 rhvh1 kernel: --> nfs_free_client(4)
Mar 7 14:59:30 rhvh1 kernel: NFS: releasing client cookie (0xffff88204eb61400/0xffff88205dea7058)
Mar 7 14:59:30 rhvh1 kernel: <-- nfs_free_client()
Mar 7 14:59:30 rhvh1 kernel: <-- nfs4_init_client() = xerror -110
Mar 7 14:59:30 rhvh1 kernel: <-- nfs4_set_client() = xerror -110
Mar 7 14:59:30 rhvh1 kernel: <-- nfs4_init_server() = -110
Mar 7 14:59:30 rhvh1 kernel: --> nfs_free_server()
Mar 7 14:59:30 rhvh1 kernel: <-- nfs_free_server()
Mar 7 14:59:30 rhvh1 kernel: <-- nfs4_create_server() = error -110
Mar 7 14:59:30 rhvh1 kernel: <-- nfs4_try_mount() = -110 [error]
Mar 7 15:00:01 rhvh1 systemd: Started Session 21 of user root.
Mar 7 15:00:01 rhvh1 systemd: Starting Session 21 of user root.
Mar 7 15:01:01 rhvh1 systemd: Started Session 22 of user root.
Mar 7 15:01:01 rhvh1 systemd: Starting Session 22 of user root.
Mar 7 15:03:04 rhvh1 kernel: perf: interrupt took too long (6323 > 6047), lowering kernel.perf_event_max_sample_rate to 31000
Mar 7 15:10:01 rhvh1 systemd: Started Session 23 of user root.
Mar 7 15:10:01 rhvh1 systemd: Starting Session 23 of user root.
[root@rhvh1 ~]#

***********************************************************************88

[root@rhvm ~]# cat /var/log/messages
Mar 7 14:55:58 rhvm kernel: NFSD: laundromat service - starting
Mar 7 14:55:58 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 14:57:28 rhvm kernel: NFSD: laundromat service - starting
Mar 7 14:57:28 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 14:58:58 rhvm kernel: NFSD: laundromat service - starting
Mar 7 14:58:58 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:00:01 rhvm systemd: Started Session 34 of user root.
Mar 7 15:00:01 rhvm systemd: Starting Session 34 of user root.
Mar 7 15:00:28 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:00:28 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:01:01 rhvm systemd: Started Session 35 of user root.
Mar 7 15:01:01 rhvm systemd: Starting Session 35 of user root.
Mar 7 15:01:58 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:01:58 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:03:28 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:03:28 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:04:59 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:04:59 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:06:29 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:06:29 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:07:59 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:07:59 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:09:29 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:09:29 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:10:01 rhvm systemd: Started Session 36 of user root.
Mar 7 15:10:01 rhvm systemd: Starting Session 36 of user root.
Mar 7 15:10:59 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:10:59 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:12:29 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:12:29 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:13:59 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:13:59 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
Mar 7 15:15:29 rhvm kernel: NFSD: laundromat service - starting
Mar 7 15:15:29 rhvm kernel: NFSD: laundromat_main - sleeping for 90 seconds
[root@rhvm ~]#

IS

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