[Linux-cluster] clvmd hangs on startup

[Valeriu Mutu]

Hi,

I think the problem is solved. I was using a 9000bytes MTU on the Xen virtual machines' iSCSI interface. Switching back to 1500bytes MTU caused the clvmd to start working.

On Thu, Mar 03, 2011 at 11:50:57AM -0500, Valeriu Mutu wrote:
> On Wed, Mar 02, 2011 at 05:36:45PM -0500, Jeff Sturm wrote:
> > Double-check that the 2nd node can read and write the shared iSCSI
> > storage.
> 
> Reading/writing from/to the iSCSI storage device works as seen below.
> 
> On the 1st node:
> [root at vm1 cluster]# dd count=10000 bs=1024 if=/dev/urandom of=/dev/mapper/pcbi-homes 
> 10000+0 records in
> 10000+0 records out
> 10240000 bytes (10 MB) copied, 3.39855 seconds, 3.0 MB/s
> 
> [root at vm1 cluster]# dd count=10000 bs=1024 if=/dev/mapper/pcbi-homes of=/dev/null 
> 10000+0 records in
> 10000+0 records out
> 10240000 bytes (10 MB) copied, 0.331069 seconds, 30.9 MB/s
> 
> On the 2nd node:
> [root at vm2 ~]# dd count=10000 bs=1024 if=/dev/urandom of=/dev/mapper/pcbi-homes
> 10000+0 records in
> 10000+0 records out
> 10240000 bytes (10 MB) copied, 3.2465 seconds, 3.2 MB/s
> 
> [root at vm2 ~]# dd count=10000 bs=1024 if=/dev/mapper/pcbi-homes of=/dev/null
> 10000+0 records in
> 10000+0 records out
> 10240000 bytes (10 MB) copied, 0.223337 seconds, 45.8 MB/s

-- 
Valeriu Mutu