perfSONAR User Q&A and Other Discussion

[Loren Jan Wilson <>]

On Tue, Feb 23, 2010 at 09:14:18PM -0500, Aaron Brown wrote:
> Hi Loren,
> 
> On Feb 23, 2010, at 7:13 PM, Loren Jan Wilson wrote:
> 
> > I've been trying to get pS performance toolkit 3.1.2 running from the
> > cd. (I have never run perfsonar on this machine before.)
> > 
> > I go through the console config script and save the changes to
> > /dev/sdb7, and the config definitely gets saved to the partition, but
> > the live cd doesn't load the configuration when I reboot.
> > 
> > I've noticed that it doesn't automount any of the partitions at boot
> > time; the ext3 partitions on /dev/sda can't mount at all (unsupported
> > optional features error) and for the /dev/sdb partitions there's an
> > error in dmesg that says "VFS: Can't find ext3 filesystem on dev sdb7"
> > for each partition on /dev/sdb.
> > 
> > Typing "mount /dev/sdb7" mounts the partition just fine, which is how
> > it's able to save the config to the partition. But it doesn't load the
> > saved config at boot. I've been looking around a bit, but I haven't
> > found the place in the boot sequence where it tries to load its config
> > files...
> > 
> > I've attached a copy of the dmesg file after a config save to
> > /dev/sdb7 in case this helps.
> 
> Did you use the toolkit to format the partition or was it already formatted?
> 
> I think the unsupported optional features error means those drives are 
> formatted as ext4 file systems. I'm not sure why it's not loading sdb7 
> though. Nothing in dmesg jumps out.
> 
> 
> Could you run the following as root, and send us the output:
> 
> blkid 
> 
> Also, if you could try running the following as root as well:
> 
> mount -t ext3 /dev/sdb7 /mnt/store

That will definitely fail... that's an xfs partition. Which may answer
my question. Are xfs partitions unsupported?

Loren