[Gluster-users] ib-verbs on centos 5 hangs

Thomas Wakefield twake at cola.iges.org
Mon Jan 25 08:28:18 PST 2010


Can you clarify, does your disk mount and work for a period of time, and then fail?  Or does your disk mount, but not become active for a period of time?

I run ib_verbs, and find that sometimes it takes a while for a connection to be setup, but that it does start working fine in 2-5 minutes.  I think the problem is my fabric manager, but i haven't tried switching it yet.



Thomas




On Jan 25, 2010, at 4:37 AM, Pedro Damián Cruz Santiago wrote:

> The scenario:
> 
> distro
> CentOS release 5.2 (Final)
> 
> 
> glusterfs:
> glusterfs-client-3.0.0-1.x86_64.rpm
> glusterfs-common-3.0.0-1.x86_64.rpm
> glusterfs-server-3.0.0-1.x86_64.rpm
> 
> 
> configuration (server & client) from:
> glusterfs-volgen -n storage --transport ib-verbs storage01-ib:/storage
> 
> infiniband
> InfiniBand: Mellanox Technologies MT25204 [InfiniHost III Lx HCA]
> 
> 
> mount command on client return:
> ...
> glusterfs#storage-ib-verbs.vol on /storage type fuse
> (rw,allow_other,default_permissions,max_read=131072)
> ...
> 
> error:
> 
> 1. Copy from local disk to directory /storage  (glusterfs)
> 
> pv < CentOS-5.2-x86_64-bin-DVD.iso > /storage/file
> 4.29GB 0:00:10 [ 429MB/s] [=================================>] 100%
> 
> 2. after that when a run any command to gluster storage, this fails whit the
> next error:
> ls /storage
> ls: /storage: Transport endpoint is not connected
> 
> df
> Filesystem            Size  Used Avail Use% Mounted on
> /dev/sda1              48G   11G   35G  23% /
> /dev/sda3             171G  188M  162G   1% /data
> tmpfs                 7.9G     0  7.9G   0% /dev/shm
> df: `/storage': Transport endpoint is not connected
> 
> 
> before a couple of minutes these commands works whell !!!
> 
> what is wrong with my configuration?
> 
> The storage node (glusterfs) is  a RAID 6 system of 18 HD, dual quad core
> whit 32GB RAM.
> The cliente node is too dual quad core system with 16GB RAM.
> 
> Thanks in advanced.
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