[ovirt-users] [Gluster-users] Hot to force glusterfs to use RDMA?
Arman Khalatyan
arm2arm at gmail.com
Fri Mar 3 11:18:52 UTC 2017
I think there are some bug in the vdsmd checks;
2017-03-03 11:15:42,413 ERROR (jsonrpc/7) [storage.HSM] Could not connect
to storageServer (hsm:2391)
Traceback (most recent call last):
File "/usr/share/vdsm/storage/hsm.py", line 2388, in connectStorageServer
conObj.connect()
File "/usr/share/vdsm/storage/storageServer.py", line 167, in connect
self.getMountObj().getRecord().fs_file)
File "/usr/lib/python2.7/site-packages/vdsm/storage/mount.py", line 237,
in getRecord
(self.fs_spec, self.fs_file))
OSError: [Errno 2] Mount of `10.10.10.44:/GluReplica` at
`/rhev/data-center/mnt/glusterSD/10.10.10.44:_GluReplica` does not exist
2017-03-03 11:15:42,416 INFO (jsonrpc/7) [dispatcher] Run and protect:
connectStorageServer, Return response: {'statuslist': [{'status': 100,
'id': u'4b2ea911-ef35-4de0-bd11-c4753e6048d8'}]} (logUtils:52)
2017-03-03 11:15:42,417 INFO (jsonrpc/7) [jsonrpc.JsonRpcServer] RPC call
StoragePool.connectStorageServer succeeded in 2.63 seconds (__init__:515)
2017-03-03 11:15:44,239 INFO (jsonrpc/2) [jsonrpc.JsonRpcServer] RPC call
Host.getAllVmStats succeeded in 0.00 seconds (__init__:515)
[root at clei21 ~]# df | grep glu
10.10.10.44:/GluReplica.rdma 3770662912 407818240 3362844672 11%
/rhev/data-center/mnt/glusterSD/10.10.10.44:_GluReplica
ls "/rhev/data-center/mnt/glusterSD/10.10.10.44:_GluReplica"
09f95051-bc93-4cf5-85dc-16960cee74e4 __DIRECT_IO_TEST__
[root at clei21 ~]# touch /rhev/data-center/mnt/glusterSD/10.10.10.44
\:_GluReplica/testme.txt
[root at clei21 ~]# unlink /rhev/data-center/mnt/glusterSD/10.10.10.44
\:_GluReplica/testme.txt
On Fri, Mar 3, 2017 at 11:51 AM, Arman Khalatyan <arm2arm at gmail.com> wrote:
> Thank you all for the nice hints.
> Somehow my host was not able to access the userspace RDMA, after
> installing:
> yum install -y libmlx4.x86_64
>
> I can mount:
> /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
> 10.10.10.44:/GluReplica.rdma 3770662912 407817216 3362845696
> <(336)%20284-5696> 11% /mnt
>
> Looks the rdma and gluster are working except ovirt GUI:(
>
> With MountOptions:
> backup-volfile-servers=10.10.10.44:10.10.10.42:10.10.10.41,transport=rdma
>
> I am not able to activate storage.
>
>
> ---Gluster Status ----
> gluster volume status
> Status of volume: GluReplica
> Gluster process TCP Port RDMA Port Online
> Pid
> ------------------------------------------------------------
> ------------------
> Brick 10.10.10.44:/zclei22/01/glu 49162 49163 Y
> 17173
> Brick 10.10.10.42:/zclei21/01/glu 49156 49157 Y
> 17113
> Brick 10.10.10.41:/zclei26/01/glu 49157 49158 Y
> 16404
> Self-heal Daemon on localhost N/A N/A Y
> 16536
> Self-heal Daemon on clei21.vib N/A N/A Y
> 17134
> Self-heal Daemon on 10.10.10.44 N/A N/A Y
> 17329
>
> Task Status of Volume GluReplica
> ------------------------------------------------------------
> ------------------
> There are no active volume tasks
>
>
> -----IB status -----
>
> ibstat
> CA 'mlx4_0'
> CA type: MT26428
> Number of ports: 1
> Firmware version: 2.7.700
> Hardware version: b0
> Node GUID: 0x002590ffff163758
> System image GUID: 0x002590ffff16375b
> Port 1:
> State: Active
> Physical state: LinkUp
> Rate: 10
> Base lid: 273
> LMC: 0
> SM lid: 3
> Capability mask: 0x02590868
> Port GUID: 0x002590ffff163759
> Link layer: InfiniBand
>
> Not bad for SDR switch ! :-P
> qperf clei22.vib ud_lat ud_bw
> ud_lat:
> latency = 23.6 us
> ud_bw:
> send_bw = 981 MB/sec
> recv_bw = 980 MB/sec
>
>
>
>
> On Fri, Mar 3, 2017 at 9:08 AM, Deepak Naidu <dnaidu at nvidia.com> wrote:
>
>> >> As you can see from my previous email that the RDMA connection tested
>> with qperf.
>>
>> I think you have wrong command. Your testing *TCP & not RDMA. *Also
>> check if you have RDMA & IB modules loaded on your hosts.
>>
>> root at clei26 ~]# qperf clei22.vib tcp_bw tcp_lat
>> tcp_bw:
>> bw = 475 MB/sec
>> tcp_lat:
>> latency = 52.8 us
>> [root at clei26 ~]#
>>
>>
>>
>> *Please run below command to test RDMA*
>>
>>
>>
>> *[root at storageN2 ~]# qperf storageN1 ud_lat ud_bw*
>>
>> *ud_lat**:*
>>
>> * latency = 7.51 us*
>>
>> *ud_bw**:*
>>
>> * send_bw = 9.21 GB/sec*
>>
>> * recv_bw = 9.21 GB/sec*
>>
>> *[root at sc-sdgx-202 ~]#*
>>
>>
>>
>> Read qperf man pages for more info.
>>
>>
>>
>> * To run a TCP bandwidth and latency test:
>>
>> qperf myserver tcp_bw tcp_lat
>>
>> * To run a UDP latency test and then cause the server to terminate:
>>
>> qperf myserver udp_lat quit
>>
>> * To measure the RDMA UD latency and bandwidth:
>>
>> qperf myserver ud_lat ud_bw
>>
>> * To measure RDMA UC bi-directional bandwidth:
>>
>> qperf myserver rc_bi_bw
>>
>> * To get a range of TCP latencies with a message size from 1 to 64K
>>
>> qperf myserver -oo msg_size:1:64K:*2 -vu tcp_lat
>>
>>
>>
>>
>>
>> *Check if you have RDMA & IB modules loaded*
>>
>>
>>
>> lsmod | grep -i ib
>>
>>
>>
>> lsmod | grep -i rdma
>>
>>
>>
>>
>>
>>
>>
>> --
>>
>> Deepak
>>
>>
>>
>>
>>
>>
>>
>> *From:* Arman Khalatyan [mailto:arm2arm at gmail.com]
>> *Sent:* Thursday, March 02, 2017 10:57 PM
>> *To:* Deepak Naidu
>> *Cc:* Rafi Kavungal Chundattu Parambil; gluster-users at gluster.org;
>> users; Sahina Bose
>> *Subject:* RE: [Gluster-users] [ovirt-users] Hot to force glusterfs to
>> use RDMA?
>>
>>
>>
>> Dear Deepak, thank you for the hints, which gluster are you using?
>>
>> As you can see from my previous email that the RDMA connection tested
>> with qperf. It is working as expected. In my case the clients are servers
>> as well, they are hosts for the ovirt. Disabling selinux is nor recommended
>> by ovirt, but i will give a try.
>>
>>
>>
>> Am 03.03.2017 7:50 vorm. schrieb "Deepak Naidu" <dnaidu at nvidia.com>:
>>
>> 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 at 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 at gluster.org; Rafi Kavungal
>> Chundattu Parambil
>> *Cc:* users
>> *Subject:* Re: [Gluster-users] [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 at gmail.com>
>> wrote:
>>
>> BTW RDMA is working as expected:
>> root at clei26 ~]# qperf clei22.vib tcp_bw tcp_lat
>> tcp_bw:
>> bw = 475 MB/sec
>> tcp_lat:
>> latency = 52.8 us
>> [root at clei26 ~]#
>>
>> thank you beforehand.
>>
>> Arman.
>>
>>
>>
>> On Thu, Mar 2, 2017 at 12:54 PM, Arman Khalatyan <arm2arm at gmail.com>
>> 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 at clei21 ~]# gluster volume status
>> Status of volume: GluReplica
>> Gluster process TCP Port RDMA Port Online
>> Pid
>> ------------------------------------------------------------
>> ------------------
>> Brick 10.10.10.44:/zclei22/01/glu 49158 49159 Y
>> 15870
>> Brick 10.10.10.42:/zclei21/01/glu 49156 49157 Y
>> 17473
>> Brick 10.10.10.41:/zclei26/01/glu 49153 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 at gmail.com>
>> 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=10.10.1
>> 0.44:10.10.10.42:10.10.10.41,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 at redhat.com> 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 at gmail.com>
>> 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_i
>> d=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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>>
>>
>>
>>
>>
>>
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