Re: Broken status, peer probe, "DNS resolution failed on host" and "Error disabling sockopt IPV6_V6ONLY: "Protocol not available" after updating from gluster 7.9 to 9.1

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Hi Strahil,

I am using repo builds from https://download.opensuse.org/repositories/filesystems/openSUSE_Leap_15.2/x86_64/ (currently glusterfs-9.1-lp152.88.2.x86_64.rpm) and don't build them.

Perhaps the builds at https://download.opensuse.org/repositories/home:/glusterfs:/Leap15.2-9/openSUSE_Leap_15.2/x86_64/ are better (currently glusterfs-9.1-lp152.112.1.x86_64.rpm), does anyone know?

None of the repos currently have 9.3.

And regardless, I don't care for gluster using IPv6 if IPv4 works fine. Is there a way to make it stop trying to use IPv6 and only use IPv4?

Sincerely,
Artem

--
Founder, Android Police, APK Mirror, Illogical Robot LLC


On Thu, Jul 22, 2021 at 9:09 PM Strahil Nikolov <hunter86_bg@xxxxxxxxx> wrote:
Did you try with latest 9.X ? Based on the release notes that should be 9.3 .

Best Regards,
Strahil Nikolov

On Fri, Jul 23, 2021 at 3:06, Artem Russakovskii
Hi all,

I just filed this ticket https://github.com/gluster/glusterfs/issues/2648, and wanted to bring it to your attention. Any feedback would be appreciated.

Description of problem:
We have a 4-node replicate cluster running gluster 7.9. I'm currently setting up a new cluster on a new set of machines and went straight for gluster 9.1.

However, I was unable to probe any servers due to this error:

[2021-07-17 00:31:05.228609 +0000] I [MSGID: 106487] [glusterd-handler.c:1160:__glusterd_handle_cli_probe] 0-glusterd: Received CLI probe req nexus2 24007
[2021-07-17 00:31:05.229727 +0000] E [MSGID: 101075] [common-utils.c:3657:gf_is_local_addr] 0-management: error in getaddrinfo [{ret=Name or service not known}]
[2021-07-17 00:31:05.230785 +0000] E [MSGID: 106408] [glusterd-peer-utils.c:217:glusterd_peerinfo_find_by_hostname] 0-management: error in getaddrinfo: Name or service not known
 [Unknown error -2]
[2021-07-17 00:31:05.353971 +0000] I [MSGID: 106128] [glusterd-handler.c:3719:glusterd_probe_begin] 0-glusterd: Unable to find peerinfo for host: nexus2 (24007)
[2021-07-17 00:31:05.375871 +0000] W [MSGID: 106061] [glusterd-handler.c:3488:glusterd_transport_inet_options_build] 0-glusterd: Failed to get tcp-user-timeout
[2021-07-17 00:31:05.375903 +0000] I [rpc-clnt.c:1010:rpc_clnt_connection_init] 0-management: setting frame-timeout to 600
[2021-07-17 00:31:05.377021 +0000] E [MSGID: 101075] [common-utils.c:520:gf_resolve_ip6] 0-resolver: error in getaddrinfo [{family=10}, {ret=Name or service not known}]
[2021-07-17 00:31:05.377043 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host nexus2
[2021-07-17 00:31:05.377147 +0000] I [MSGID: 106498] [glusterd-handler.c:3648:glusterd_friend_add] 0-management: connect returned 0
[2021-07-17 00:31:05.377201 +0000] I [MSGID: 106004] [glusterd-handler.c:6427:__glusterd_peer_rpc_notify] 0-management: Peer <nexus2> (<00000000-0000-0000-0000-000000000000>), in state <Establishing Connection>, has disconnected from glusterd.
[2021-07-17 00:31:05.377453 +0000] E [MSGID: 101032] [store.c:464:gf_store_handle_retrieve] 0-: Path corresponding to /var/lib/glusterd/glusterd.info. [No such file or directory]

I then wiped the /var/lib/glusterd dir to start clean and downgraded to 7.9, then attempted to peer probe again. This time, it worked fine, proving 7.9 is working, same as it is on prod.

At this point, I made a volume, started it, and played around with testing to my satisfaction. Then I decided to see what would happen if I tried to upgrade this working volume from 7.9 to 9.1.

The end result is:

  • gluster volume status is only showing the local gluster node and not any of the remote nodes
  • data does seem to replicate, so the connection between the servers is actually established
  • logs are now filled with constantly repeating messages like so:
[2021-07-22 23:29:31.039004 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host nexus2
[2021-07-22 23:29:31.039212 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host citadel
[2021-07-22 23:29:31.039304 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host hive
The message "E [MSGID: 101075] [common-utils.c:520:gf_resolve_ip6] 0-resolver: error in getaddrinfo [{family=10}, {ret=Name or service not known}]" repeated 119 times between [2021-07-22 23:27:34.025983 +0000] and [2021-07-22 23:29:31.039302 +0000]
[2021-07-22 23:29:34.039369 +0000] E [MSGID: 101075] [common-utils.c:520:gf_resolve_ip6] 0-resolver: error in getaddrinfo [{family=10}, {ret=Name or service not known}]
[2021-07-22 23:29:34.039441 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host nexus2
[2021-07-22 23:29:34.039558 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host citadel
[2021-07-22 23:29:34.039659 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host hive
[2021-07-22 23:29:37.039741 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host nexus2
[2021-07-22 23:29:37.039921 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host citadel
[2021-07-22 23:29:37.040015 +0000] E [name.c:265:af_inet_client_get_remote_sockaddr] 0-management: DNS resolution failed on host hive

When I issue a command in cli:

==> cli.log <==
[2021-07-22 23:38:11.802596 +0000] I [cli.c:840:main] 0-cli: Started running gluster with version 9.1
**[2021-07-22 23:38:11.804007 +0000] W [socket.c:3434:socket_connect] 0-glusterfs: Error disabling sockopt IPV6_V6ONLY: "Operation not supported"**
[2021-07-22 23:38:11.906865 +0000] I [MSGID: 101190] [event-epoll.c:670:event_dispatch_epoll_worker] 0-epoll: Started thread with index [{index=0}]
**Mandatory info:** **- The output of the `gluster volume info` command**:
gluster volume info
 
Volume Name: ap
Type: Replicate
Volume ID: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x 4 = 4
Transport-type: tcp
Bricks:
Brick1: nexus2:/mnt/nexus2_block1/ap
Brick2: forge:/mnt/forge_block1/ap
Brick3: hive:/mnt/hive_block1/ap
Brick4: citadel:/mnt/citadel_block1/ap
Options Reconfigured:
performance.client-io-threads: on
nfs.disable: on
storage.fips-mode-rchecksum: on
transport.address-family: inet
cluster.self-heal-daemon: enable
client.event-threads: 4
cluster.data-self-heal-algorithm: full
cluster.lookup-optimize: on
cluster.quorum-count: 1
cluster.quorum-type: fixed
cluster.readdir-optimize: on
cluster.heal-timeout: 1800
disperse.eager-lock: on
features.cache-invalidation: on
features.cache-invalidation-timeout: 600
network.inode-lru-limit: 500000
network.ping-timeout: 7
network.remote-dio: enable
performance.cache-invalidation: on
performance.cache-size: 1GB
performance.io-thread-count: 4
performance.md-cache-timeout: 600
performance.rda-cache-limit: 256MB
performance.read-ahead: off
performance.readdir-ahead: on
performance.stat-prefetch: on
performance.write-behind-window-size: 32MB
server.event-threads: 4
cluster.background-self-heal-count: 1
performance.cache-refresh-timeout: 10
features.ctime: off
cluster.granular-entry-heal: enable

- The output of the gluster volume status command:

gluster volume status
Status of volume: ap
Gluster process                             TCP Port  RDMA Port  Online  Pid
------------------------------------------------------------------------------
Brick forge:/mnt/forge_block1/ap            49152     0          Y       2622 
Self-heal Daemon on localhost               N/A       N/A        N       N/A  
 
Task Status of Volume ap
------------------------------------------------------------------------------
There are no active volume tasks

- The output of the gluster volume heal command:

gluster volume heal ap enable
Enable heal on volume ap has been successful 

gluster volume heal ap 
Launching heal operation to perform index self heal on volume ap has been unsuccessful:
Self-heal daemon is not running. Check self-heal daemon log file.

- The operating system / glusterfs version:
OpenSUSE 15.2, glusterfs 9.1.



Sincerely,
Artem

--
Founder, Android Police, APK Mirror, Illogical Robot LLC
________



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Schedule -
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Bridge: https://meet.google.com/cpu-eiue-hvk
Gluster-users mailing list
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