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there was nothing wrong with the sudo. there was something wrong with the umount. I rebooted the host and it solved the umount problem.
probably an earlier test that did something to the umount.
[root@blond-vdsf ~]# tail /etc/sudoers
## Allows members of the users group to mount and unmount the
## cdrom as root
# %users ALL=/sbin/mount /mnt/cdrom, /sbin/umount /mnt/cdrom
## Allows members of the users group to shutdown this system
# %users localhost=/sbin/shutdown -h now
## Read drop-in files from /etc/sudoers.d (the # here does not mean a comment)
#includedir /etc/sudoers.d
[root@blond-vdsf ~]#
Created attachment 501602 [details] logs Description of problem: umount failed during create of master SD: Thread-542::DEBUG::2011-05-29 14:52:54,851::fileUtils::112::Storage.Misc.excCmd::(umount) FAILED: <err> = 'sudo: sorry, a password is required to run sudo\n'; <rc> = 1 Version-Release number of selected component (if applicable): vdsm-4.9-70.el6.x86_64 libvirt-0.8.7-18.el6.x86_64 How reproducible: Steps to Reproduce: 1. create master SD and fail umount 2. 3. Actual results: MainThread::WARNING::2011-05-29 11:42:11,208::blockSD::859::Storage.StorageDomain::(doUnmountMaster) Unmount failed because of errors that fuser can't solve MainThread::DEBUG::2011-05-29 11:42:11,209::fileUtils::109::Storage.Misc.excCmd::(umount) '/usr/bin/sudo -n /bin/umount -f /rhev/data-center/mnt/blockSD/6f747221-9351-4fc5-87b6-9294257b7c0b/master' (cwd None) MainThread::DEBUG::2011-05-29 11:42:11,220::fileUtils::109::Storage.Misc.excCmd::(umount) FAILED: <err> = 'sudo: sorry, a password is required to run sudo\n'; <rc> = 1 MainThread::ERROR::2011-05-29 11:42:11,221::misc::137::Storage.Misc::(panic) Panic: unmount /rhev/data-center/mnt/blockSD/6f747221-9351-4fc5-87b6-9294257b7c0b/master failed - Error unmounting master storage domain: 'masterdir=/rhev/data-center/mnt/blockSD/6f747221-9351-4fc5-87b6-9294257b7c0b/master, rc=1' MainThread::ERROR::2011-05-29 11:42:11,223::misc::138::Storage.Misc::(panic) Traceback (most recent call last): File "/usr/share/vdsm/storage/spm.py", line 203, in __cleanupMasterMount blockSD.BlockStorageDomain.doUnmountMaster(master) File "/usr/share/vdsm/storage/blockSD.py", line 886, in doUnmountMaster raise se.StorageDomainMasterUnmountError(masterdir, rc) StorageDomainMasterUnmountError: Error unmounting master storage domain: 'masterdir=/rhev/data-center/mnt/blockSD/6f747221-9351-4fc5-87b6-9294257b7c0b/master, rc=1' Expected results: Additional info: full logs Thread-542::DEBUG::2011-05-29 14:52:54,851::fileUtils::112::Storage.Misc.excCmd::(umount) FAILED: <err> = 'sudo: sorry, a password is required to run sudo\n'; <rc> = 1 Thread-542::ERROR::2011-05-29 14:52:54,852::sp::344::Storage.StoragePool::(create) Create domain canceled due to an unexpected error Traceback (most recent call last): File "/usr/share/vdsm/storage/sp.py", line 327, in create self.createMaster(poolName, msd, masterVersion, safeLease) File "/usr/share/vdsm/storage/sp.py", line 500, in createMaster domain.unmountMaster() File "/usr/share/vdsm/storage/blockSD.py", line 893, in unmountMaster self.doUnmountMaster(masterdir) File "/usr/share/vdsm/storage/blockSD.py", line 886, in doUnmountMaster raise se.StorageDomainMasterUnmountError(masterdir, rc) StorageDomainMasterUnmountError: Error unmounting master storage domain: 'masterdir=/rhev/data-center/mnt/blockSD/e6cae5cc-65fa-411c-a7f7-27f600e13da0/master, rc=1' Thread-542::INFO::2011-05-29 14:52:54,868::sp::743::Storage.StoragePool::(detachSD) sdUUID=<storage.blockSD.BlockStorageDomain instance at 0x7ff23c238fc8> spUUID=bb0c60f3-0df2-4 305-a81e-e0df186bfab7 msdUUID=e6cae5cc-65fa-411c-a7f7-27f600e13da0