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Created attachment 497618 [details] vdsm logs Description of problem: VDSM finish its process pool in case ISO domain goes down (fail to respond). when blocking ISO NFS domain, start to get the following messages: Traceback (most recent call last): File "/usr/share/vdsm/storage/sp.py", line 105, in run stats, code = self._statsfunc(self._domain) File "/usr/share/vdsm/storage/sp.py", line 1391, in _repostats stats['masterValidate'] = domain.validateMaster() File "/usr/share/vdsm/storage/sd.py", line 438, in validateMaster if not oop.fileUtils.pathExists(pdir): File "/usr/share/vdsm/storage/processPool.py", line 35, in wrapper return self.runExternally(func, *args, **kwds) File "/usr/share/vdsm/storage/processPool.py", line 49, in runExternally raise NoFreeHelpersError("No free processes") NoFreeHelpersError: No free processes Thread-420::ERROR::2011-05-08 11:56:54,613::sp::110::Storage.StatsThread::(run) Unexpected error Traceback (most recent call last): File "/usr/share/vdsm/storage/sp.py", line 104, in run self._domain = SDF.produce(self._sdUUID) File "/usr/share/vdsm/storage/sdf.py", line 30, in produce newSD = cls.__sdc.lookup(sdUUID) File "/usr/share/vdsm/storage/sdc.py", line 91, in lookup self._refreshDomains() File "/usr/share/vdsm/storage/misc.py", line 1068, in helper return sm(*args, **kwargs) File "/usr/share/vdsm/storage/misc.py", line 1055, in __call__ self.__lastResult = self.__func(*args, **kwargs) File "/usr/share/vdsm/storage/sdc.py", line 133, in _refreshDomains nfsSD.getFileStorageDomainList() + File "/usr/share/vdsm/storage/nfsSD.py", line 152, in getFileStorageDomainList misc.tmap(collectMetaFiles, domlist) File "/usr/share/vdsm/storage/misc.py", line 1126, in tmap results[i] = result IndexError: list assignment index out of range repro steps: 1) data domain over iSCSI 2) ISO domain over NFS 3) block ISO domain using iptables
Since RHEL 6.1 External Beta has begun, and this bug remains unresolved, it has been rejected as it is not proposed as exception or blocker. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux.
http://gerrit.usersys.redhat.com/#change,538
We solve this issue by http://gerrit.usersys.redhat.com/#change,538 but we still cannot fully verify it because of libvirt bug 692663
Couldn't reproduce on 4.9-91. Closing as Verified.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHEA-2011-1782.html