"Internal Plesk error" when clicking on "start new migration"

[Monty@]

Hi all,

I'm using Plesk 8.1 on a Suse 10.1 (EZ) VPS (VZ 3.0), with all patches and hotfixes applied.

When I click on "start new migration" in the migration manager i get the following error message:

Internal Plesk error occurred: Unable find "<fs-detection><fs>" in "<?xml version="1.0"?><fs-detection></fs-detection>"

This can be reproduced 100%. I cannot find any indication in the error logs about the reason for this failure.

This problem does not occur with Plesk 8.1 on a VPS with Suse 10.0 standard templates, btw.

Any ideas/hints are greatly appreciated!

 

[Monty@]

OK, I did some investigations and found out that it seems to be a udev-related problem.

Suse 10.1 uses udev (Suse 10.0 does not, thats why it works with 10.0).

The script "scout.pl" in /usr/local/psa/PMM/ scans for local file systems but it can't find any because "mount" will not show the "/" mountpoint.

Here's an example from a Suse 10.1 VPS:


# mount
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
udev on /dev type tmpfs (rw)
devpts on /dev/pts type devpts (rw,mode=0620,gid=5)


and "df" shows:


# df
Filesystem 1K-blocks Used Available Use% Mounted on
udev 1048576 151397 897179 15% /dev



And on a Suse 10.0 VPS:


# mount
vzfs on / type vzfs (rw)
proc on /proc type proc (rw,nodiratime)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw)
tmpfs on /dev/shm type tmpfs (rw)


"df" output:


# df
Filesystem 1K-blocks Used Available Use% Mounted on
vzfs 1048576 133046 915530 13% /
tmpfs 2070948 0 2070948 0% /dev/shm


See the difference?

Removing the "udev" RPM from Suse 10.1 is not an option due to too many dependencies.

So, how can this be fixed? Any ideas?