Re: [Users] issues with live snapshot

There's a bug on this: https://bugzilla.redhat.com/show_bug.cgi?id=1063979

Thanks, Dafna On 02/13/2014 09:14 AM, Maor Lipchuk wrote: > Hi Andreas, > > Basically it means that the snapshot was created but the process of the > QEMU is still writing on the original volume (The snapshot), so any > changes you will made while this VM is running will be in the snapshot. > > This could be fixed when restarting the VM (as described in the event), > after the restart the QEMU process should run pointing to the right > volumes. > > Regards, > Maor > > On 02/13/2014 09:56 AM, andreas.ewert(a)cbc.de wrote: >> Hi, >> >> I want to create a live snapshot, but it fails at the finalizing task. >> There are 3 events: >> >> - Snapshot 'test' creation for VM 'snaptest' was initiated by EwertA >> - Failed to create live snapshot 'test' for VM 'snaptest'. VM restart is >> recommended. >> - Failed to complete snapshot 'test' creation for VM 'snaptest‘. >> >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,672::BindingXMLRPC::965::vds::(wrapper) client >> [10.98.229.5]::call vmSnapshot with >> ('31c185ce-cc2e-4246-bf46-fcd96cd30050', [{'baseVolumeID': >> 'b9448428-b787-4286-b54e-aa54a8f8bb17', 'domainID': >> '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volumeID': >> 'c677d01e-dc50-486b-a532-f88a71666d2c', 'imageID': >> 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}], '') {} >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,672::task::579::TaskManager.Task::(_updateState) >> Task=`8675b6b0-3216-46a8-8d9a-d0feb02d5b49`::moving from state init -> >> state preparing >> Thread-338209::INFO::2014-02-13 >> 08:40:19,672::logUtils::44::dispatcher::(wrapper) Run and protect: >> prepareImage(sdUUID='54f86ad7-2c12-4322-b2d1-f129f3d20e57', >> spUUID='5849b030-626e-47cb-ad90-3ce782d831b3', >> imgUUID='db6faf9e-2cc8-4106-954b-fef7e4b1bd1b', >> leafUUID='c677d01e-dc50-486b-a532-f88a71666d2c') >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,673::resourceManager::197::ResourceManager.Request::(__init__) >> ResName=`Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57`ReqID=`630a701e-bd44-49ef-8a14-f657b8653a33`::Request >> was made in '/usr/share/vdsm/storage/hsm.py' line '3236' at >> 'prepareImage' >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,673::resourceManager::541::ResourceManager::(registerResource) >> Trying to register resource >> 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57' for lock type 'shared' >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,673::resourceManager::600::ResourceManager::(registerResource) >> Resource 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57' is free. Now >> locking as 'shared' (1 active user) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,673::resourceManager::237::ResourceManager.Request::(grant) >> ResName=`Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57`ReqID=`630a701e-bd44-49ef-8a14-f657b8653a33`::Granted >> request >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,674::task::811::TaskManager.Task::(resourceAcquired) >> Task=`8675b6b0-3216-46a8-8d9a-d0feb02d5b49`::_resourcesAcquired: >> Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57 (shared) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,675::task::974::TaskManager.Task::(_decref) >> Task=`8675b6b0-3216-46a8-8d9a-d0feb02d5b49`::ref 1 aborting False >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,675::lvm::440::OperationMutex::(_reloadlvs) Operation 'lvm >> reload operation' got the operation mutex >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,675::lvm::309::Storage.Misc.excCmd::(cmd) '/usr/bin/sudo -n >> /sbin/lvm lvs --config " devices { preferred_names = >> [\\"^/dev/mapper/\\"] ignore_suspended_devices=1 write_cache_state=0 >> disable_after_error_count=3 obtain_device_list_from_udev=0 filter = [ >> \'a|/dev/mapper/36000d7710000ec7c7d5beda78691839c|\', \'r|.*|\' ] } >> global { locking_type=1 prioritise_write_locks=1 wait_for_locks=1 } >> backup { retain_min = 50 retain_days = 0 } " --noheadings --units b >> --nosuffix --separator | -o >> uuid,name,vg_name,attr,size,seg_start_pe,devices,tags >> 54f86ad7-2c12-4322-b2d1-f129f3d20e57' (cwd None) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,715::lvm::309::Storage.Misc.excCmd::(cmd) SUCCESS: <err> = ''; >> <rc> = 0 >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,739::lvm::475::Storage.LVM::(_reloadlvs) lvs reloaded >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,740::lvm::475::OperationMutex::(_reloadlvs) Operation 'lvm >> reload operation' released the operation mutex >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,741::lvm::309::Storage.Misc.excCmd::(cmd) '/usr/bin/sudo -n >> /sbin/lvm lvchange --config " devices { preferred_names = >> [\\"^/dev/mapper/\\"] ignore_suspended_devices=1 write_cache_state=0 >> disable_after_error_count=3 obtain_device_list_from_udev=0 filter = [ >> \'a|/dev/mapper/36000d7710000ec7c7d5beda78691839c|\', \'r|.*|\' ] } >> global { locking_type=1 prioritise_write_locks=1 wait_for_locks=1 } >> backup { retain_min = 50 retain_days = 0 } " --autobackup n >> --available y >> 54f86ad7-2c12-4322-b2d1-f129f3d20e57/c677d01e-dc50-486b-a532-f88a71666d2c' >> (cwd None) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,800::lvm::309::Storage.Misc.excCmd::(cmd) SUCCESS: <err> = ''; >> <rc> = 0 >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,801::lvm::526::OperationMutex::(_invalidatelvs) Operation 'lvm >> invalidate operation' got the operation mutex >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,801::lvm::538::OperationMutex::(_invalidatelvs) Operation 'lvm >> invalidate operation' released the operation mutex >> Thread-338209::WARNING::2014-02-13 >> 08:40:19,801::fileUtils::167::Storage.fileUtils::(createdir) Dir >> /var/run/vdsm/storage/54f86ad7-2c12-4322-b2d1-f129f3d20e57/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b >> already exists >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,801::blockSD::1068::Storage.StorageDomain::(createImageLinks) >> img run vol already exists: >> /var/run/vdsm/storage/54f86ad7-2c12-4322-b2d1-f129f3d20e57/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/b9448428-b787-4286-b54e-aa54a8f8bb17 >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,802::blockSD::1068::Storage.StorageDomain::(createImageLinks) >> img run vol already exists: >> /var/run/vdsm/storage/54f86ad7-2c12-4322-b2d1-f129f3d20e57/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/bac74b7e-94f0-48d2-a5e5-8b2e846411e8 >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,802::blockSD::1040::Storage.StorageDomain::(linkBCImage) path to >> image directory already exists: >> /rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,802::lvm::440::OperationMutex::(_reloadlvs) Operation 'lvm >> reload operation' got the operation mutex >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,803::lvm::309::Storage.Misc.excCmd::(cmd) '/usr/bin/sudo -n >> /sbin/lvm lvs --config " devices { preferred_names = >> [\\"^/dev/mapper/\\"] ignore_suspended_devices=1 write_cache_state=0 >> disable_after_error_count=3 obtain_device_list_from_udev=0 filter = [ >> \'a|/dev/mapper/36000d7710000ec7c7d5beda78691839c|\', \'r|.*|\' ] } >> global { locking_type=1 prioritise_write_locks=1 wait_for_locks=1 } >> backup { retain_min = 50 retain_days = 0 } " --noheadings --units b >> --nosuffix --separator | -o >> uuid,name,vg_name,attr,size,seg_start_pe,devices,tags >> 54f86ad7-2c12-4322-b2d1-f129f3d20e57' (cwd None) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,831::lvm::309::Storage.Misc.excCmd::(cmd) SUCCESS: <err> = ''; >> <rc> = 0 >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,849::lvm::475::Storage.LVM::(_reloadlvs) lvs reloaded >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,849::lvm::475::OperationMutex::(_reloadlvs) Operation 'lvm >> reload operation' released the operation mutex >> Thread-338209::INFO::2014-02-13 >> 08:40:19,850::logUtils::47::dispatcher::(wrapper) Run and protect: >> prepareImage, Return response: {'info': {'domainID': >> '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volType': 'path', 'leaseOffset': >> 128974848, 'path': >> '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-486b-a532-f88a71666d2c', >> 'volumeID': 'c677d01e-dc50-486b-a532-f88a71666d2c', 'leasePath': >> '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imageID': >> 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}, 'path': >> '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-486b-a532-f88a71666d2c', >> 'imgVolumesInfo': [{'domainID': '54f86ad7-2c12-4322-b2d1-f129f3d20e57', >> 'volType': 'path', 'leaseOffset': 128974848, 'path': >> '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-486b-a532-f8! > 8a71666d2c > ', 'volumeID': 'c677d01e-dc50-486b-a532-f88a71666d2c', 'leasePath': > '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imageID': > 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}, {'domainID': > '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volType': 'path', 'leaseOffset': > 127926272, 'path': > '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/b9448428-b787-4286-b54e-aa54a8f8bb17', > 'volumeID': 'b9448428-b787-4286-b54e-aa54a8f8bb17', 'leasePath': > '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imageID': > 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}, {'domainID': > '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volType': 'path', 'leaseOffset': > 111149056, 'path': > '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/bac74b7e-94f0-48d2-a5e5-8b2e846411e8', > 'volumeID': 'bac74b7e-94f0-48d2-a5e5-8b2e846411e8', 'leasePath': > '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imageID': 'db6fa! > f9e-2cc8-4 > 106-954b-fef7e4b1bd1b'}]} >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,850::task::1168::TaskManager.Task::(prepare) >> Task=`8675b6b0-3216-46a8-8d9a-d0feb02d5b49`::finished: {'info': >> {'domainID': '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volType': 'path', >> 'leaseOffset': 128974848, 'path': >> '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-486b-a532-f88a71666d2c', >> 'volumeID': 'c677d01e-dc50-486b-a532-f88a71666d2c', 'leasePath': >> '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imageID': >> 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}, 'path': >> '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-486b-a532-f88a71666d2c', >> 'imgVolumesInfo': [{'domainID': '54f86ad7-2c12-4322-b2d1-f129f3d20e57', >> 'volType': 'path', 'leaseOffset': 128974848, 'path': >> '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-! > 486b-a532- > f88a71666d2c', 'volumeID': 'c677d01e-dc50-486b-a532-f88a71666d2c', > 'leasePath': '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', > 'imageID': 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}, {'domainID': > '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volType': 'path', 'leaseOffset': > 127926272, 'path': > '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/b9448428-b787-4286-b54e-aa54a8f8bb17', > 'volumeID': 'b9448428-b787-4286-b54e-aa54a8f8bb17', 'leasePath': > '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imageID': > 'db6faf9e-2cc8-4106-954b-fef7e4b1bd1b'}, {'domainID': > '54f86ad7-2c12-4322-b2d1-f129f3d20e57', 'volType': 'path', 'leaseOffset': > 111149056, 'path': > '/rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/bac74b7e-94f0-48d2-a5e5-8b2e846411e8', > 'volumeID': 'bac74b7e-94f0-48d2-a5e5-8b2e846411e8', 'leasePath': > '/dev/54f86ad7-2c12-4322-b2d1-f129f3d20e57/leases', 'imag! > eID': 'db6 > faf9e-2cc8-4106-954b-fef7e4b1bd1b'}]} >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,850::task::579::TaskManager.Task::(_updateState) >> Task=`8675b6b0-3216-46a8-8d9a-d0feb02d5b49`::moving from state preparing >> -> state finished >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,850::resourceManager::939::ResourceManager.Owner::(releaseAll) >> Owner.releaseAll requests {} resources >> {'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57': < ResourceRef >> 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57', isValid: 'True' obj: >> 'None'>} >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,851::resourceManager::976::ResourceManager.Owner::(cancelAll) >> Owner.cancelAll requests {} >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,851::resourceManager::615::ResourceManager::(releaseResource) >> Trying to release resource 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57' >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,851::resourceManager::634::ResourceManager::(releaseResource) >> Released resource 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57' (0 >> active users) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,851::resourceManager::640::ResourceManager::(releaseResource) >> Resource 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57' is free, finding >> out if anyone is waiting for it. >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,851::resourceManager::648::ResourceManager::(releaseResource) No >> one is waiting for resource >> 'Storage.54f86ad7-2c12-4322-b2d1-f129f3d20e57', Clearing records. >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,852::task::974::TaskManager.Task::(_decref) >> Task=`8675b6b0-3216-46a8-8d9a-d0feb02d5b49`::ref 0 aborting False >> Thread-338209::INFO::2014-02-13 >> 08:40:19,852::clientIF::353::vds::(prepareVolumePath) prepared volume >> path: >> /rhev/data-center/mnt/blockSD/54f86ad7-2c12-4322-b2d1-f129f3d20e57/images/db6faf9e-2cc8-4106-954b-fef7e4b1bd1b/c677d01e-dc50-486b-a532-f88a71666d2c >> Thread-338209::DEBUG::2014-02-13 08:40:19,852::vm::3743::vm.Vm::(snapshot) >> vmId=`31c185ce-cc2e-4246-bf46-fcd96cd30050`::<domainsnapshot> >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,865::libvirtconnection::108::libvirtconnection::(wrapper) >> Unknown libvirterror: ecode: 67 edom: 10 level: 2 message: unsupported >> configuration: reuse is not supported with this QEMU binary >> Thread-338209::DEBUG::2014-02-13 08:40:19,865::vm::3764::vm.Vm::(snapshot) >> vmId=`31c185ce-cc2e-4246-bf46-fcd96cd30050`::Snapshot failed using the >> quiesce flag, trying again without it (unsupported configuration: reuse >> is not supported with this QEMU binary) >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,869::libvirtconnection::108::libvirtconnection::(wrapper) >> Unknown libvirterror: ecode: 67 edom: 10 level: 2 message: unsupported >> configuration: reuse is not supported with this QEMU binary >> Thread-338209::ERROR::2014-02-13 08:40:19,869::vm::3768::vm.Vm::(snapshot) >> vmId=`31c185ce-cc2e-4246-bf46-fcd96cd30050`::Unable to take snapshot >> Thread-338209::DEBUG::2014-02-13 >> 08:40:19,870::BindingXMLRPC::972::vds::(wrapper) return vmSnapshot with >> {'status': {'message': 'Snapshot failed', 'code': 48}} >> >> What can I do to fix this? >> >> best regards >> Andreas >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users -- Dafna Ron 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