[Gluster-users] hanging "df" (3.1, infiniband)

[Craig Carl]

Lana - 
I wanted to make sure you had installed the glusterfs-core, rdma, and fuse rpms if you are on CentOS, Fedora or RHEL on every client? 




Thanks. 

-- 
Craig Carl 



Gluster, Inc. 
Cell - (408) 829-9953 (California, USA) 
Gtalk - craig.carl at gmail.com 



From: "Lana Deere" <lana.deere at gmail.com> 
To: gluster-users at gluster.org 
Sent: Tuesday, October 19, 2010 8:59:32 AM 
Subject: [Gluster-users] hanging "df" (3.1, infiniband) 

I tried to install 3.1 on some machines but I have run into trouble. 

I have 4 nodes I'm using for storage in a distributed configuration. 
# gluster volume info 

Volume Name: RaidData 
Type: Distribute 
Status: Started 
Number of Bricks: 4 
Transport-type: rdma 
Bricks: 
Brick1: storage0:/data 
Brick2: storage1:/data 
Brick3: storage2:/data 
Brick4: storage3:/data 

When I try to mount the volume on another machine, 
A. If I forget to modprobe fuse first, the mount command reports no errors 
but no volume is listed in the mount table. (I.e., "mount -t..." seems 
to work, but "mount" doesn't show any volumes.) 
B. If I remember to modprobe fuse first, again the mount command reports 
no errors and this time I can see the volume in the mount table. 
# mount 
/dev/sda1 on / type ext3 (rw) 
[...] 
glusterfs#storage0:/RaidData on /mnt/RaidData type fuse 
(rw,allow_other,default_permissions,max_read=131072) 
However, if I do a "df" or try to "cd" to that volume, the command 
hangs without 
printing any messages. 

I wasn't sure if I needed to specify "-o transport=rdma" on the 
mount command 
so I tried it both ways, but with no apparent difference. 

Anyone have suggestions for things to try? Do I need to have IPoIB 
running on all the nodes? 

Thanks! 


.. Lana (lana.deere at gmail.com) 
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