Does this remark has anything to do with the problem I'm talking about? Because I took the time the recreate the volume, changing its type and enabling shard and the problem persists :/ Lindolfo Meira, MSc Diretor Geral, Centro Nacional de Supercomputação Universidade Federal do Rio Grande do Sul +55 (51) 3308-3139 On Wed, 23 Jan 2019, Raghavendra Gowdappa wrote: > On Wed, Jan 23, 2019 at 1:59 AM Lindolfo Meira <meira@xxxxxxxxxxxxxx> wrote: > > > Dear all, > > > > I've been trying to benchmark a gluster file system using the MPIIO API of > > IOR. Almost all of the times I try to run the application with more than 6 > > tasks performing I/O (mpirun -n N, for N > 6) I get the error: "writev: > > Transport endpoint is not connected". And then each one of the N tasks > > returns "ERROR: cannot open file to get file size, MPI MPI_ERR_FILE: > > invalid file, (aiori-MPIIO.c:488)". > > > > Does anyone have any idea what's going on? > > > > I'm writing from a single node, to a system configured for stripe over 6 > > bricks. The volume is mounted with the options _netdev and transport=rdma. > > I'm using OpenMPI 2.1.2 (I tested version 4.0.0 and nothing changed). IOR > > arguments used: -B -E -F -q -w -k -z -i=1 -t=2m -b=1g -a=MPIIO. Running > > OpenSUSE Leap 15.0 and GlusterFS 5.3. Output of "gluster volume info" > > follows bellow: > > > > Volume Name: gfs > > Type: Stripe > > > > +Dhananjay, Krutika <kdhananj@xxxxxxxxxx> > stripe has been deprecated. You can use sharded volumes. > > > > Volume ID: ea159033-5f7f-40ac-bad0-6f46613a336b > > Status: Started > > Snapshot Count: 0 > > Number of Bricks: 1 x 6 = 6 > > Transport-type: rdma > > Bricks: > > Brick1: pfs01-ib:/mnt/data/gfs > > Brick2: pfs02-ib:/mnt/data/gfs > > Brick3: pfs03-ib:/mnt/data/gfs > > Brick4: pfs04-ib:/mnt/data/gfs > > Brick5: pfs05-ib:/mnt/data/gfs > > Brick6: pfs06-ib:/mnt/data/gfs > > Options Reconfigured: > > nfs.disable: on > > > > > > Thanks in advance, > > > > Lindolfo Meira, MSc > > Diretor Geral, Centro Nacional de Supercomputação > > Universidade Federal do Rio Grande do Sul > > +55 (51) 3308-3139_______________________________________________ > > Gluster-users mailing list > > Gluster-users@xxxxxxxxxxx > > https://lists.gluster.org/mailman/listinfo/gluster-users >
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