[Linux-cluster] GFS2 volumes hanging on 1 of 3 cluster nodes

lists at verwilst.be lists at verwilst.be
Wed Aug 15 20:16:06 UTC 2012

Hi Heiko,

I'm using Dell R310's for this setup, which indeed have broadcom NIC's. 
I've emailed Dell Prosupport for the location to the latest firmwares ( 
that site is a mess :( ). In the meantime, could you tell me how you 
figured out that the NIC's were to blame? What symptoms did you see? 
Something else i can check to see if it's indeed the same issue?

I reformatted the gfs2 filesystems with default 128M journals, just in 
case that helped. I can now see all gfs2 mounts on all 3 servers. I went 
on to start clvmd on every node, 2 nodes went fine, 3rd node gave a 
timeout. All lvm based commands on that server now hang, on the others 
those commands work fine.. *sigh*.

Kind regards,


Heiko Nardmann schreef op 15.08.2012 20:04:
> Which hardware are you using for your setup? I am just asking because
> I have experienced similar problems which finally have been solved by
> updating the NIC firmware of the systems involved (Dell R610 with
> Broadcom NICs).
> Regards,
>     Heiko
> Am 15.08.2012 17:32, schrieb lists at verwilst.be:
>> Hello,
>> I've set up a 3-node cluster, where i seem to be having problems 
>> with some of my GFS2 mounts. All servers have 2 gfs2 mounts on iscsi 
>> luns, /var/lib/libvirt/sanlock and /etc/libvirt/qemu.
>> /dev/mapper/iscsi_cluster_qemu on /etc/libvirt/qemu type gfs2 
>> (rw,relatime,hostdata=jid=0)
>> /dev/mapper/iscsi_cluster_sanlock on /var/lib/libvirt/sanlock type 
>> gfs2 (rw,relatime,hostdata=jid=0)
>> Currently, on vm01-test, i cannot go to /var/lib/libvirt/sanlock:
>> root at vm01-test:~# ls /var/lib/libvirt/sanlock
>> ^C^C^C
>> ^C
>> ^C
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