----- Original Message ----- > From: "Ryan Groten" <[email protected]> > To: "Chao Xie" <[email protected]>, [email protected] > Sent: Friday, September 5, 2014 5:27:06 PM > Subject: Re: [ovirt-users] How to backup/restore the rhevm-VM in > hosted-engine ? > > > > In my case I actually have a spare server (physical) that I keep patched and > up-to-date, the engine backups are automatically transferred there. If my > hosted-engine goes down I restore the engine database on the physical spare > and run like that until I can get the hosted-engine back up. > > > > I’ve never tried restoring onto a newly deployed hosted-engine VM using > hosted-engine --deploy, but I can’t see why that wouldn’t work (maybe > someone else knows if this is possible?). I’ll give it a try too.
Please see also [1] which describes a similar flow. I never tried your exact flow. Main difference is that the database already has the engine's VM and "knows" it's a hosted engine. [1] http://www.ovirt.org/Migrate_to_Hosted_Engine -- Didi > > > > > From: Xie, Chao [mailto:[email protected]] > Sent: September-05-14 3:23 AM > To: Groten, Ryan; [email protected] > Subject: 答复 : How to backup/restore the rhevm-VM in hosted-engine ? > > > > > Hi, Ryan > > Thanks for replying. I know your meaning and engine-backup command. But I > have some questions with your way: “ If the hosted-engine needs to be > restored for some reason I will just recreate the OS and restore the engine > database ”. > > Do you recreate the Guest using original host? And the host needn’t to be > fresh installed and just excute hosted-engine –deployed again, we can > recreate another OS? > > > > > 发件人 : Groten, Ryan [ mailto:[email protected] ] > 发送时间 : 2014 年 9 月 5 日 4:29 > 收件人 : Xie, Chao/ 谢 超 ; [email protected] > 主题 : RE: How to backup/restore the rhevm-VM in hosted-engine ? > > > > > In 3.4 there is a backup/restore utility called engine-backup. You can use > this to backup the RHEV-M database(s) as well as restore. Of course this > won’t backup the Guest OS itself. > > My DR strategy is to simply copy off these engine-backup files to another > location. If the hosted-engine needs to be restored for some reason I will > just recreate the OS and restore the engine database. > > > > Check this link for documentation: > > > > https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Virtualization/3.4/html/Administration_Guide/chap-Backups.html > > > > > > > From: [email protected] [ mailto:[email protected] ] On Behalf Of > [email protected] > Sent: September-03-14 9:54 PM > To: [email protected] > Subject: [ovirt-users] How to backup/restore the rhevm-VM in hosted-engine ? > > > > > Hi,All > > As the mauual, I can’t find anyway to backup/restore the rhevm-VM in the > hosted-engine. The I just try to backup the storage of rhevm-VM (using cp > –prf to make a copy of folder). Then I make some change and replace the > origin RHEVM-VM content with my backup folder (of course I shutdown the > rhevm-vm first). At last the vm can be up,but the status is NOT health but > as below: > > > > ==================== > > Status up-to-date : False > > Hostname : 193.168.195.248 > > Host ID : 1 > > Engine status : unknown stale-data > > Score : 2400 > > Local maintenance : False > > Host timestamp : 1409743461 > > Extra metadata (valid at timestamp): > > metadata_parse_version=1 > > metadata_feature_version=1 > > timestamp=1409743461 (Wed Sep 3 07:24:21 2014) > > host-id=1 > > score=2400 > > maintenance=False > > state=EngineUp > > > > ============================= > > > > So are there some proper way to backup the rhevm-vm? > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users > -- Didi _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
