Xen users - Feb 2010 - Remus - trouble with disk protection

When I try to start a VM with disk protection offered by Remus, I simply get
the following error:
*Error: [Errno 2] No such file or directory:
''lsepc32:9000|aio:/dev/vg0/lvol0''*

In the config file I have:
*disk = [''tap:remus:lsepc32:9000|aio:/dev/vg0/lvol0,xvda,w'',
''tap:remus:lsepc32:9000|aio:/dev/vg0/swap,xvdb,w'']*

The problem remains when I try to use the IP address instead of
"lsepc32".
Everything works correctly without Remus supplement in "disk=" field.
The
paths to the LVM partitions are exactly the same on the primary and the
backup. I have built everything yesterday from the latest unstable sources.

Where is the catch?

Thankful,
Darko


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Here''s what is spitted by xend.log:

*[2010-02-24 12:27:05 2498] ERROR (xmlrpclib2:178) Internal error handling
xend.domain.create
Traceback (most recent call last):
  File "usr/lib/python2.5/site-packages/xen/util/xmlrpclib2.py", line
131,
in _marshaled_dispatch
    response = self._dispatch(method, params)
  File "/usr/lib/python2.5/SimpleXMLRPCServer.py", line 415, in
_dispatch
    return func(*params)
  File
"usr/lib/python2.5/site-packages/xen/xend/server/XMLRPCServer.py",
line 79, in domain_create
    info = XendDomain.instance().domain_create(config)
  File "usr/lib/python2.5/site-packages/xen/xend/XendDomain.py", line
982,
in domain_create
    dominfo = XendDomainInfo.create(config)
  File "usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py",
line
104, in create
    vm.start()
  File "usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py",
line
469, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "usr/lib/python2.5/site-packages/xen/xend/XendTask.py", line
209, in
log_progress
    retval = func(*args, **kwds)
  File "usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py",
line
2815, in _initDomain
    self._configureBootloader()
  File "usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py",
line
3240, in _configureBootloader
    mounted = devtype in [''tap'', ''tap2''] and
taptype != ''aio'' and taptype !''sync'' and not
os.stat(fn).st_rdev
OSError: [Errno 2] No such file or directory:
''lsepc32:9000|aio:/dev/vg0/lvol0''*

What is wrong?

Darko

2010/2/24 Darko Petrović <darko.b.petrovic@gmail.com>
> When I try to start a VM with disk protection offered by Remus, I simply
> get the following error:
> *Error: [Errno 2] No such file or directory:
> ''lsepc32:9000|aio:/dev/vg0/lvol0''*
>
> In the config file I have:
> *disk =
[''tap:remus:lsepc32:9000|aio:/dev/vg0/lvol0,xvda,w'',
> ''tap:remus:lsepc32:9000|aio:/dev/vg0/swap,xvdb,w'']*
>
> The problem remains when I try to use the IP address instead of
"lsepc32".
> Everything works correctly without Remus supplement in "disk="
field. The
> paths to the LVM partitions are exactly the same on the primary and the
> backup. I have built everything yesterday from the latest unstable sources.
>
> Where is the catch?
>
> Thankful,
> Darko
>

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