disaster recovery in ovirt
TRANSCRIPT
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Disaster Recovery In oVirt
Maor LipchukMarch 2015Senior Software Engineer @ RHEVRed [email protected]
Irc.oftc.net server on #ovirt channel
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oVirt in a Nutshell
● Open Source project started by Red Hat
● Virtualization management platform
● Built on linux's virtualization you already know:
● kvm, qemu, libvirt
● Manages:
Virtual Machines
Storage Domains
Virtualized networks
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oVirt in a Nutshell
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oVirt in a Nutshell
File Storage Domains● NFS● Gluster● POSIX-Compliant FS● Local
Block Storage Domains● Fibre Channel● iSCSI
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Nature always sides with the hidden flaw
Disaster Recovery - Murphy's Laws
If there is a worse t
ime for something to g
o wrong,
If there is a worse t
ime for something to g
o wrong,
it will happen
then.
it will happen
then.
Smile... tomorrow will be worse.
You never run out of things that can go wrong.If your advance is going well, you are walking into an ambush.
If there is a possibility of several things going wrong,
the one that will cause the most damage will be the one to go wrong
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Disaster Recovery
Why do we need Disaster Recovery?
● Machines and hardware fail
● Humans make mistakes
● Nature is unpredictable
● Customers want access 24/7/365
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Disaster Recovery in oVirt
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Disaster Recovery in oVirt
ExportExport StorageStorage DomainDomain
● File Storage Domain
● Based on OVF
● Can be used to migrate entities between different setups or Data Centers
● Can be moved between setups
● Can be used to backup entities
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Problems using the Export Domain as a Backup
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Disaster Recovery in oVirt
Problem #1 : Scalability
Maintain a large amount of storage
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Disaster Recovery in oVirt
Problem #2: Copying data takes too long
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Disaster Recovery in oVirt
Problem #3: Single point of failure
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Introduced in oVirt 3.5
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New capabilities in oVirt 3.5
Metadata OVF_STORE diskDisks
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New capabilities in oVirt 3.5
Import Data Storage Domain
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Disaster Recovery Today
yet another beautiful disaster...
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Disaster Recovery Today
Import a Storage Domain after a disaster
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Disaster Recovery Today
Attach and activate the Storage Domain on the target Data Center
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Disaster Recovery Today
Pick the entities you want to register from the newly attached Storage Domain
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Disaster Recovery Today
Choose a Cluster and Quota for each entity
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Disaster Recovery Today
Done!
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Then VS Now
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Comparison of DR Solutions
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Now VS The Future
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Future Plans
● Clone VMs and Templates from a Storage Domain
● Convert an Export Domain to a Data Domain
● Your contributions are welcome: http://www.ovirt.org/Community
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● Wiki links
www.ovirt.org/Features/ImportStorageDomain
● YouTube videos
https://www.youtube.com/watch?v=DLcxDB0MY38 - Detach and attach Storage Domain with entities
https://www.youtube.com/watch?v=YbU-DIwN-Wc - Import file Storage Domain
https://www.youtube.com/watch?v=T03ai6FrMI4 - Recovery of local Data Center
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Questions?
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THANK YOU !
http://www.ovirt.orghttp://lists.ovirt.org/mailman/listinfo
#ovirt irc.oftc.net