[Gluster-users] error in pgbench on glusterfs

siga hiro hirokisiga at gmail.com
Wed Sep 12 07:05:58 UTC 2012


Hi.

I make the data area of postgresql in glusterfs on the server.
And,I mounted a glusterfs area from postgres-node, and postgresql started.
Then,It became an error when pgbench start.
( if fuse-mount,became error.if nfs-mount,not error.
 mount -t glusterfs 172.22.0.181:/syncdata /syncdata -> pgbench ERROR
 mount -t nfs -o nolock,vers=3,tcp,soft,timeo=3 172.22.0.181:/syncdata
/syncdata -> pgbench OK
)

I found this [https://bugzilla.redhat.com/show_bug.cgi?id=810944]...

Is it the bug of the kernel, or can i cope with it with glusterfs, or
is there what or an idea would you teach?


Node:
  postgres node:172.22.0.180
    OS:ScientificLinux61
    DB:postgresql91-9.1.4-3PGDG

  glusterfs node 172.22.0.181/172.22.0.182
    OS:ScientificLinux61
       glusterfs3.3.0-1

Details:

・I make the data area of postgresql on glusterfs.
    # gluster peer status -> 172.22.0.181
    Number of Peers: 1
    Hostname: 172.22.0.182
    Uuid: 601a3cf7-8614-4b89-83e4-2dab319f3582
    State: Peer in Cluster (Connected)

    # gluster volume info
    Volume Name: syncdata
    Type: Replicate
    Volume ID: c7708db1-0eb7-4a0d-a21c-24162ac3ed8f
    Status: Started
    Number of Bricks: 1 x 2 = 2
    Transport-type: tcp
    Bricks:
    Brick1: 172.22.0.181:/home/syncdata
    Brick2: 172.22.0.182:/home/syncdata

  postgresql node
    # mount -t glusterfs 172.22.0.181:/syncdata /syncdata
    # ls /syncdata/pgdata/
    PG_VERSION  global       pg_ident.conf  pg_serial    pg_tblspc
postgresql.conf
    base        pg_clog      pg_multixact   pg_stat_tmp  pg_twophase
postmaster.opts
    pg_hba.conf  pg_notify      pg_subtrans  pg_xlog      postmaster.pid

・Then, pgbench was started.
  postgresql node
    $ /usr/pgsql-9.1/bin/pgbench -i -s 100
    .....
    2012-09-12 11:53:51 ERROR:  unexpected data beyond EOF in block
99480 of relation base/12780/16396

    $ /usr/pgsql-9.1/bin/pgbench -h 172.22.0.182  -c 100 -t 10
    2012-09-12 11:53:51 ERROR:  unexpected data beyond EOF in block
99480 of relation base/12780/16396



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