I have been testing glusterfs over RDMA & below is the command I use. Reading up the logs, it looks like your IB(InfiniBand) device is not being initialized. I am not sure if u have an issue on the client IB or the storage server IB. Also have you configured ur IB devices correctly. I am using IPoIB.
Can you check your firewall, disable selinux, I think, you might have checked it already ?
mount -t glusterfs -o transport=rdma storageN1:/vol0 /mnt/vol0
· The below error seems if you have issue starting your volume. I had issue, when my transport was set to tcp,rdma. I had to force start my volume. If I had set it only to tcp on the volume, the volume would start easily.
[2017-03-02 11:49:47.829391] E [MSGID: 114022] [client.c:2530:client_init_
rpc] 0-GluReplica-client-2: failed to initialize RPC
[2017-03-02 11:49:47.829413] E [MSGID: 101019] [xlator.c:433:xlator_init] 0-GluReplica-client-2: Initialization of volume 'GluReplica-client-2' failed, review your volfile again
[2017-03-02 11:49:47.829425] E [MSGID: 101066] [graph.c:324:glusterfs_graph_init] 0-GluReplica-client-2: initializing translator failed
[2017-03-02 11:49:47.829436] E [MSGID: 101176] [graph.c:673:glusterfs_graph_activate] 0-graph: init failed
· The below error seems if you have issue with IB device. If not configured properly.
[2017-03-02 11:49:47.828996] W [MSGID: 103071] [rdma.c:4589:__gf_rdma_ctx_
create] 0-rpc-transport/rdma: rdma_cm event channel creation failed [No such device]
[2017-03-02 11:49:47.829067] W [MSGID: 103055] [rdma.c:4896:init] 0-GluReplica-client-2: Failed to initialize IB Device
[2017-03-02 11:49:47.829080] W [rpc-transport.c:354:rpc_transport_load] 0-rpc-transport: 'rdma' initialization failed
--
Deepak
From: gluster-users-bounces@gluster.
org [mailto:gluster-users-bounces@gluster.org ] On Behalf Of Sahina Bose
Sent: Thursday, March 02, 2017 10:26 PM
To: Arman Khalatyan; gluster-users@xxxxxxxxxxx; Rafi Kavungal Chundattu Parambil
Cc: users
Subject: Re: [ovirt-users] Hot to force glusterfs to use RDMA?
[Adding gluster users to help with error]
[2017-03-02 11:49:47.828996] W [MSGID: 103071] [rdma.c:4589:__gf_rdma_ctx_create] 0-rpc-transport/rdma: rdma_cm event channel creation failed [No such device]
On Thu, Mar 2, 2017 at 5:36 PM, Arman Khalatyan <arm2arm@xxxxxxxxx> wrote:
BTW RDMA is working as expected:
root@clei26 ~]# qperf clei22.vib tcp_bw tcp_lat
tcp_bw:
bw = 475 MB/sec
tcp_lat:
latency = 52.8 us
[root@clei26 ~]#thank you beforehand.
Arman.
On Thu, Mar 2, 2017 at 12:54 PM, Arman Khalatyan <arm2arm@xxxxxxxxx> wrote:
just for reference:
gluster volume info
Volume Name: GluReplica
Type: Replicate
Volume ID: ee686dfe-203a-4caa-a691-26353460cc48
Status: Started
Snapshot Count: 0
Number of Bricks: 1 x (2 + 1) = 3
Transport-type: tcp,rdma
Bricks:
Brick1: 10.10.10.44:/zclei22/01/glu
Brick2: 10.10.10.42:/zclei21/01/glu
Brick3: 10.10.10.41:/zclei26/01/glu (arbiter)
Options Reconfigured:
network.ping-timeout: 30
server.allow-insecure: on
storage.owner-gid: 36
storage.owner-uid: 36
cluster.data-self-heal-algorithm: full
features.shard: on
cluster.server-quorum-type: server
cluster.quorum-type: auto
network.remote-dio: enable
cluster.eager-lock: enable
performance.stat-prefetch: off
performance.io-cache: off
performance.read-ahead: off
performance.quick-read: off
performance.readdir-ahead: on
nfs.disable: on
[root@clei21 ~]# gluster volume status
Status of volume: GluReplica
Gluster processTCP Port RDMA Port Online Pid
------------------------------------------------------------ ------------------
Brick 10.10.10.44:/zclei22/01/glu49158 49159 Y 15870
Brick 10.10.10.42:/zclei21/01/glu49156 49157 Y 17473
Brick 10.10.10.41:/zclei26/01/glu49153 49154 Y 18897
Self-heal Daemon on localhost N/A N/A Y 17502
Self-heal Daemon on 10.10.10.41 N/A N/A Y 13353
Self-heal Daemon on 10.10.10.44 N/A N/A Y 32745
Task Status of Volume GluReplica
------------------------------------------------------------ ------------------
There are no active volume tasks
On Thu, Mar 2, 2017 at 12:52 PM, Arman Khalatyan <arm2arm@xxxxxxxxx> wrote:
I am not able to mount with RDMA over cli....
Are there some volfile parameters needs to be tuned?
/usr/bin/mount -t glusterfs -o backup-volfile-servers=10.10.10.44:10.10.10.42:10.10.10.41, transport=rdma 10.10.10.44:/GluReplica /mnt
[2017-03-02 11:49:47.795511] I [MSGID: 100030] [glusterfsd.c:2454:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.8.9 (args: /usr/sbin/glusterfs --volfile-server=10.10.10.44 --volfile-server=10.10.10.44 --volfile-server=10.10.10.42 --volfile-server=10.10.10.41 --volfile-server-transport=rdma --volfile-id=/GluReplica.rdma /mnt)
[2017-03-02 11:49:47.812699] I [MSGID: 101190] [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started thread with index 1
[2017-03-02 11:49:47.825210] I [MSGID: 101190] [event-epoll.c:628:event_dispatch_epoll_worker] 0-epoll: Started thread with index 2
[2017-03-02 11:49:47.828996] W [MSGID: 103071] [rdma.c:4589:__gf_rdma_ctx_create] 0-rpc-transport/rdma: rdma_cm event channel creation failed [No such device]
[2017-03-02 11:49:47.829067] W [MSGID: 103055] [rdma.c:4896:init] 0-GluReplica-client-2: Failed to initialize IB Device
[2017-03-02 11:49:47.829080] W [rpc-transport.c:354:rpc_transport_load] 0-rpc-transport: 'rdma' initialization failed
[2017-03-02 11:49:47.829272] W [rpc-clnt.c:1070:rpc_clnt_connection_init] 0-GluReplica-client-2: loading of new rpc-transport failed
[2017-03-02 11:49:47.829325] I [MSGID: 101053] [mem-pool.c:641:mem_pool_destroy] 0-GluReplica-client-2: size=588 max=0 total=0
[2017-03-02 11:49:47.829371] I [MSGID: 101053] [mem-pool.c:641:mem_pool_destroy] 0-GluReplica-client-2: size=124 max=0 total=0
[2017-03-02 11:49:47.829391] E [MSGID: 114022] [client.c:2530:client_init_rpc] 0-GluReplica-client-2: failed to initialize RPC
[2017-03-02 11:49:47.829413] E [MSGID: 101019] [xlator.c:433:xlator_init] 0-GluReplica-client-2: Initialization of volume 'GluReplica-client-2' failed, review your volfile again
[2017-03-02 11:49:47.829425] E [MSGID: 101066] [graph.c:324:glusterfs_graph_init] 0-GluReplica-client-2: initializing translator failed
[2017-03-02 11:49:47.829436] E [MSGID: 101176] [graph.c:673:glusterfs_graph_activate] 0-graph: init failed
[2017-03-02 11:49:47.830003] W [glusterfsd.c:1327:cleanup_and_exit] (-->/usr/sbin/glusterfs(mgmt_ getspec_cbk+0x3c1) [0x7f524c9dbeb1] -->/usr/sbin/glusterfs( glusterfs_process_volfp+0x172) [0x7f524c9d65d2] -->/usr/sbin/glusterfs( cleanup_and_exit+0x6b) [0x7f524c9d5b4b] ) 0-: received signum (1), shutting down
[2017-03-02 11:49:47.830053] I [fuse-bridge.c:5794:fini] 0-fuse: Unmounting '/mnt'.
[2017-03-02 11:49:47.831014] W [glusterfsd.c:1327:cleanup_and_exit] (-->/lib64/libpthread.so.0(+ 0x7dc5) [0x7f524b343dc5] -->/usr/sbin/glusterfs( glusterfs_sigwaiter+0xe5) [0x7f524c9d5cd5] -->/usr/sbin/glusterfs( cleanup_and_exit+0x6b) [0x7f524c9d5b4b] ) 0-: received signum (15), shutting down
[2017-03-02 11:49:47.831014] W [glusterfsd.c:1327:cleanup_and_exit] (-->/lib64/libpthread.so.0(+ 0x7dc5) [0x7f524b343dc5] -->/usr/sbin/glusterfs( glusterfs_sigwaiter+0xe5) [0x7f524c9d5cd5] -->/usr/sbin/glusterfs( cleanup_and_exit+0x6b) [0x7f524c9d5b4b] ) 0-: received signum (15), shutting down
On Thu, Mar 2, 2017 at 12:11 PM, Sahina Bose <sabose@xxxxxxxxxx> wrote:
You will need to pass additional mount options while creating the storage domain (transport=rdma)
Please let us know if this works.
On Thu, Mar 2, 2017 at 2:42 PM, Arman Khalatyan <arm2arm@xxxxxxxxx> wrote:
Hi,
Are there way to force the connections over RDMA only?
If I check host mounts I cannot see rdma mount option:
mount -l| grep gluster
10.10.10.44:/GluReplica on /rhev/data-center/mnt/glusterSD/10.10.10.44:_ GluReplica type fuse.glusterfs (rw,relatime,user_id=0,group_ id=0,default_permissions, allow_other,max_read=131072) I have glusterized 3 nodes:
GluReplica
Volume ID:
ee686dfe-203a-4caa-a691-26353460cc48
Volume Type:
Replicate (Arbiter)
Replica Count:
2 + 1
Number of Bricks:
3
Transport Types:
TCP, RDMA
Maximum no of snapshots:
256
Capacity:
3.51 TiB total, 190.56 GiB used, 3.33 TiB free
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