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Backup/Recovery in a VMware Infrastructure. Backup Solutions for VMware Virtual Infrastructure. New Backup Challenges. OLD PARADIGM Low overall utilization and plenty of bandwidth for backup. NEW PARADIGM High overall server utilization, but low bandwidth for backup.
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New Backup Challenges OLD PARADIGM Low overall utilization and plenty of bandwidth for backup NEW PARADIGM High overall server utilization, but low bandwidth for backup Virtualization Changes Server, Application and Information Paradigm… Backup Must Evolve to Deliver Even Greater Consolidation and Value
Backup Methods Vary to Suit Different Use Cases TREATING VIRTUAL MACHINES AS PHYSICAL MACHINES (GUEST) USING A BACKUP AGENT ON THE ESX SERVICE CONSOLE USING VMWARE CONSOLIDATED BACKUP (VCB)
EMC AvamarFile Level Recovery without the cost/complexity De-duplication Addresses Backup Challenges • Reduces the backup data at the source • Before it is transferred across the network or virtual infrastructure • Practically eliminates server resource overhead increasing your VMware investment by enabling higher consolidation ratios • Highly effective de-duplication • Dramatically reduces bandwidth & amount of data backed up daily • Cuts backup time by up to 10X • De-duplicates within & across virtual machines for max efficiency • Cost-effectively stores more full backups on disk • Reduces dependence on tape • Ideal for the protection of virtual environments • Enables fast, secure, backups over existing networks
Target and Source De-duplication TARGET DE-DUPLICATION B B B B B B De-duplication Device Backup Server • Up to 50x reduction in backup storage • Moves 200% of primary data weekly • Backups are typically restored from full and incremental images • Data viewed as file systems and/or VTL target for traditional backup environments Only Source-based De-duplication Reduces Network Bandwidth Requirements and Provides Immediate, One-step Restore SOURCE-BASED DE-DUPLICATION Avamar Server • Up to 50x reduction in backup storage • Moves ~2% of primary data weekly • Up to 500x reduction in network impact • Up to 10x faster daily full backups • All backups are full; immediate, single-step recovery • Next generation backup and recovery
First Instance • Duplicate Instance • Modified Instance VMDK1 VMDK1 VMDK2 A B E C D Hardware Hardware Hardware A B C D VM VM VM VM VM VM VM VM VM Para VM Para VM Para VM Management Management Management E Virtual Services Resource Management Storage File System Networking Virtual Services Resource Management Storage File System Networking Virtual Services Resource Management Storage File System Networking VMware Hypervisor VMvisor VMware Hypervisor VMvisor VMware Hypervisor VMvisor Avamar Server (stored backup data) Memory Memory Memory NIC NIC NIC Disk Disk Disk CPU CPU CPU How De-duplication Works Global Source-based Data De-Duplication Instances Only unique data segments are backed up Data already backed up, so only a unique ID pointer is stored (20 bytes) New data segment identified and backed up
(ENCRYPTED) (ENCRYPTED) (ENCRYPTED) EMC Avamar Solutions for VMware Infrastructure REMOTE OFFICES WITH VMware REMOTE OFFICES WITHOUT VMware WAN Avamar agent moves data to a physical single-node Avamar server, and the data is then replicated to the corporate data center, OR an Avamar agent can backup directly to the datacenter over the WAN. Avamar agent moves data to the Avamar Virtual Edition, data is then replicated to the corporate data center VMware DATA CENTER WITH GUEST-LEVEL BACKUP VMware DATA CENTER WITH VCB BACKUP LAN/ SAN SAN VCB Proxy Server
Backup Savings Due to De-duplication Traditional Backup v. EMC Avamar Cumulative Media Required Traditional Backup Traditional Backup w/Compression (2:1) EMC Avamar 8 weeks 4 weeks Avamar Avamar makes backup to disk more economical
4 Clients CPU within the Guest OS ComparisonFull Backup BURA 18 BURA 19 BURA 21 BURA 20 Avamar Traditional
4 Clients Network within the Guest OS Comparison Full Backup BURA 19 BURA 18 BURA 21 BURA 20 Avamar Traditional
4 Clients Disk within the Guest OS Comparison Full Backup BURA 18 BURA 19 BURA 20 BURA 21 Avamar Traditional
EMC Avamar Solutions for VMware Infrastructure Flexible, Fast, Efficient and Reliable Backup and Recovery AVAMAR CLIENT BACKUP SOLUTIONS AVAMAR SERVER BACKUP SOLUTIONS Guest VCB Avamar Software Avamar Virtual Edition Service Console Avamar Data Store
Disaster Recovery Solutions for VMware Virtual Infrastructure
Requirements for Disaster Recovery Minimize Downtime Minimize Risk Control Cost 93% of companies that lost their data center for ten days or more due to a disaster filed for bankruptcy within one year of the disaster. --National Archives and Records Administration 92% of users surveyed acknowledged that their companies would face serious consequences if they had to implement their disaster recovery plans. --Dynamic Markets Ltd. 73% of executives expressed concern with the costs associated with maintaining a secondary data centre --Beacon Technology Partners Effective disaster recovery is a business imperative, but is very difficult to achieve
Disaster Strikes Wks Days Hrs Mins Secs Secs Mins Hrs Days Wks Disaster Recovery Concepts • Recovery Point Objective (RPO) – • Point in time to which data must be recovered (i.e. how old can the data be?) • Recovery Time Objective (RTO) – • Time required to complete recovery of application data Recovery Point Recovery Time
Disaster Strikes Wks Days Hrs Mins Secs Secs Mins Hrs Days Wks Recovery Point Recovery Time Periodic Replication Tape Backup Asynchronous Replication Synchronous Replication Recovery Point Objective (RPO) • Business needs drive the technology choice
Disaster Strikes Wks Days Hrs Mins Secs Secs Mins Hrs Days Wks Recovery Point Recovery Time Automated Migration Manual Migration Tape Restore Recovery Time Objective (RTO) Business needs drive the technology choice • Recovery Time includes: • Fault detection • Recovering data • Bringing apps back online
Disaster Strikes Wks Days Hrs Mins Secs Secs Mins Hrs Days Wks Recovery Point Recovery Time Automated Migration Manual Migration Tape Restore Recovery Time Objective (RTO) Business needs drive the technology choice • Recovery Time includes: • Fault detection • Recovering data • Bringing apps back online VMware Site Recovery Manager
Minimize downtime Control cost Many manual processes for recovery Multiple steps to overcome hardware differences Incomplete or out-of-date runbooks Configuration Drift Challenges of Disaster Recovery • Testing requires additional hardware and infrastructure • Usually only data is regularly and cleanly updated • Frequent failures during recovery • Multi-Tiered Applications – Logical Inconsistency Reduce risk • Simplest recovery requires identical hardware • Idle recovery hardware is impossible to repurpose • Multiple third-party products necessary for recovery • Incorporating All Application Tiers
What We Hear…Is This Familiar? “ We don’t have a DR plan for mission critical x86 systems – it would be too expensive and complex” Only 31% of CIO’s surveyed rate their plans as extremely or very effective (IDG) “ It is very difficult to test our DR plan because of all the extra hardware, configuration and special processes” 40% of all companies that experience a major disaster will go out of business if they cannot gain access to their data within 24 hours(Gartner) “ In our last disaster recovery test we missed our recovery objectives by days”
Press In Case of Disaster Advantages of Virtual Disaster Recovery • Virtual machines are portable • Virtual hardware can be automatically configured • Test and failover can be automated (minimizes human error) • The need for idle hardware is reduced • Costs are lowered, and the quality of service is raised
Introducing Site Recovery Manager (SRM) Site Recovery Manager leverages VMware Infrastructure to transform disaster recovery • What it is: • Site Recovery Manager is a VMwareautomation product for disaster recovery • What it does: • Simplifies and automates disaster recovery processes • Setup • Testing • Failover • Failback • Site Recovery Manager works with VMware Infrastructure to enable faster, more reliable, affordable disaster recovery
Array Replication VMware SRM At A Glance ProtectedSite RecoverySite Site RecoveryManager Site RecoveryManager VirtualCenter VirtualCenter Datastore Groups Datastore Groups
Array Replication VMware SRM At A Glance ProtectedSite RecoverySite Site RecoveryManager Site RecoveryManager VirtualCenter VirtualCenter Datastore Groups Datastore Groups
Array Replication VMware SRM At A Glance X ProtectedSite RecoverySite Site RecoveryManager Site RecoveryManager VirtualCenter VirtualCenter Datastore Groups Datastore Groups
Array Replication VMware SRM At A Glance X ProtectedSite RecoverySite Site RecoveryManager Site RecoveryManager VirtualCenter VirtualCenter Datastore Groups Datastore Groups
Key Components of Site Recovery Manager Production Disaster Recovery Site Recovery Manager VirtualCenter Site Recovery Manager Site Recovery Manager VirtualCenter Virtual Machines Virtual Machines Protected virtual machines VMware Infrastructure VMware Infrastructure Servers Servers Storage Replication Adapter Storage Replication Adapter Storage Storage Storage Replication
Testing the DR Plan Replication Management Snapshot replicated LUNs before test Delete snapshots of replicated LUNs after test Network Management Change all virtual machines to a test port group before powering them on Customization/extensibility Same breakpoints and callouts as failover sequence Extra breakpoints and callouts around the test bubble
Enabling Technology—EMC Advanced Replication Technologies The ultimate BC/DR solution for the broadest range of use cases SRDF 2 1 Synchronous replication for flexible RPO/RTO requirements MirrorView 4 IP replication with QoS to optimize LAN/WAN bandwidth utilization 3 Celerra Replicator FS/LUN FS/LUN Snaps Snaps Host, array, fabricCDP, CRR, CLR and compression RecoverPoint LAN
Disaster Recovery Production SRM VirtualCenter SRA VirtualCenter VMware Site Recovery Manager SRM SRA Virtual Machines Virtual Machines VMware Infrastructure VMware Infrastructure Servers Servers Heterogeneous Storage Heterogeneous Storage EMC RecoverPoint Example — EMC RecoverPoint with VMware Site Recovery Manager Heterogeneous, Network-Based Replication • Replicate VMFS across heterogeneous storage • Compress data, optimize bandwidth (up to 10x) • Protect and recover a single virtual machine or the entire VMware ESX server • Protect virtual environments with local and/or remote point-in-time recovery EMC RecoverPoint adapter for VMware Site Recovery Manager
Why EMC for VMware Site Recovery Manager Industry-leading technologies and solutions for advanced DR Proven track record for designing, deploying, and maintaining physical and virtual environments Ability to deploy SRM into the existing infrastructure to protect investments Integrates with existing EMC replication – SRDF, MirrorView, Celerra Replicator Supports heterogeneous storage environments with EMC RecoverPoint EMC developed and qualified best practices Application reference architectures Technical validation documents (install, configure, integrate, and optimize) 2007 Server Virtualization Survey Results - IDC Chart Source: IDC’s Server Virtualization 2007 Multiclient Study, Dec 2007. Chart shows percentage of survey responses to a question about primary brand of network storage attached to virtual servers. N=311
SAN VCB Process Flow Overview VMware Datastore 1 ESX Cluster VMware Datastore 1 Backup Software VM Snap VMware Datastore 1 VCB Staging VCB Proxy Disk
When to consider: Need to alleviate resource contention on the ESX Server host Need to eliminate the Guest perception of a backup window Want to use the same software and similar methodology to back up all the servers in the data center (physical or virtual) 10s to low 100s of medium sized VMs (<100GB each) May not work well when: You have very high number of VMs (in the 100s or 1000s) You have very large VMs (>100GB) You need application consistency Does not work with VSS for SQL and Exchange running in the VM VCB Considerations
What Are Companies Like You Asking For? • First and foremost • A fast and easy process for backup and recovery of VMware that provides three key levels of protection: VMFS, Single VM and files. • At scale (100’s VMs or VMs of 100’s GB in size) this needs to be without the drawbacks of VCB • And while you’re at it • Simplified management of multiple replicas for different purposes • Technology that is aware of, and integrates with, business applications • Automatic discovery of changes and notification of failures • Ability to delegate operational tasks to appropriate resources • Fast efficient replicas of virtual machines and virtual desktops • “The local replica of information is now as important as the production copy itself… because a usable, consistent local data replica creates a pivot point for all kinds of advances across the entire infrastructure, freeing up resources from the application, server, network, and storage layers to handle other production workloads.” • Taneja Group, August 2006 37
Automation EMC Replication ManagerVMFS, Single VM and Application Integrated recovery Application-aware • Automation • Auto-discovery of VMFS datastores, Virtual Machines applications and their replication configuration during each replica cycle • Intelligence • Understands how to place the application into proper state for application consistent replicas • For example, VMware Snapshots for VMFS datastores, hot-backup for Oracle and VDI for SQL Server • Instant recovery • VMFS containing virtual machines • Simple Single VM recovery from within Virtual Center • Virtual, RDM and Microsoft initiator discovered disks • Application integrated solutions for Exchange, SQL and Oracle running in the VMs • Ease of use • Integrated security for delegated control and task execution • Scheduled events • Ad hoc, via the GUI • Integrate pre- and post-processes • Mount replicas to one or more hosts • Expiration of replicas for reuse VMFSproduction VMFS copy Oracle production Oracle copy SQL Server production SQL Server copy
SAN Replication Manager Automated Clone/Snap Process Flow Overview VMware Datastore 1 ESX Cluster VMware Datastore 1 Backup Software (Avamar) VM Datastore Snap VM Datastore Snap ESX Proxy Disk Or Tape
VM level VCB Backup of 4.4 TB of Virtual Machine Data (280 VMs) via Avamar integration
VCB/Avamar vs. RM/Avamar Side-by-Side Process Comparison 4.4 TB 280 VMs
That’s great for VM level recovery, but what about file level recovery? Avamar in the Guest!