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Data Protection for vSphere 101: Keys to Successful Backup and Replication in a Virtual World
BCO2194
Daniel Miller, VMware, Inc Pooja Virkud, VMware, Inc
Agenda
2
1 Data Protection Techniques
2 Use Cases
3 Product Overview
o vSphere Data Protection o vSphere Replication
3 Using vSphere Data Protection and vSphere Replication Together
4 Best Practices
Data Protection Techniques
3
HIGH LOW
SLO
W
FAST
Potential for Data Loss (RPO)
Tim
e to
Rec
over
(R
TO)
Synchronous Replication
Tape Backup
Asynchronous Replication
Snapshots
Disk Backup
How much data can you afford to lose?
How long can you afford to be without the data or service?
Data Protection Use Cases
4
RTO Typical RPO Retention Use Cases
Synchronous Replication
Sub-minute/instant
Zero data loss None • Live migration • High availability • Application mobility
Asynchronous Replication
Minutes to hours Minutes to hours Days • HW failure • Site/disaster recovery • Planned migration • Corruption/data loss
Snapshots Seconds to
minutes Minutes to hours Days • Test/dev/lab
• Cloning • Patching/maintenance • Corruption/data loss
Backup
Hours Daily Weekly Monthly Yearly
Months+ • Corruption/data loss • File recovery • Long-term retention • Compliance • Application integration
Virtual Machine Snapshots
• Captures state and data of a virtual machine at a specific point-in-time
• Allows rapid return to VM state and data (at specific point-in-time)
5
Virtual disk files .vmdk
Snapshot
vSphere
• Sits in I/O path and causes I/O impact
• Consumes disk space: can impact other VMs hosted on that storage device
• High risk of data loss: if you lose the VM, you lose the snapshot
• No item-level recovery or application-awareness without a backup application
Handle with Care!
vSphere Data Protection Advanced 5.8 Simple, Efficient Backup and Replication with Predictable Recovery
vSphere deduplicated data
VMFS, NFS, VSAN storage
VDP Adv
What is it? • vSphere Data Protection is a backup and
replication solution for simplifying and optimizing data protection in vSphere environments
Key Features • Agent-less, disk-based virtual machine backups • Application-aware, granular, agent-based data
protection for physical and virtual applications • End-to-end integration with vSphere and
managed through vSphere Web Client • Single-step recovery • Self-service File-Level Recovery • Powered by EMC Avamar
Quick to setup, Easy to use
• Deploy as a virtual appliance
• Manage backup and replication through vSphere Web Client
• Automatic VM discovery
• Wizard-driven
• Single-step recovery
• Self-service File-Level Recovery (FLR)
Application Awareness for Mission-Critical Apps Backup for Virtual and Physical Applications
In VDP Advanced Only • Agents for Exchange, SQL, SharePoint
• Database-level backup and recovery for Exchange, SQL, SharePoint
• Mailbox-level recovery for Exchange
• Backup for non-virtualized Exchange, SQL, SharePoint apps
• Support for MS Exchange DAGs, SQL Server Clusters
Key Benefits • Application consistency
• Client-side deduplication
• Granular backup and restore
• Log management
vSphere
Virtual
Physical
New in 5.8
8
Local Data Protection + Offsite Backup Replication
Replicate backup data offsite • Target can be VDP Advanced or EMC Avamar
Restore Anywhere • Access and restore replicated backups at either
primary or DR site
Save network bandwidth costs • Patented deduplication provides network-efficient
replication • No need to configure, manage or pay for WAN
accelerators!
Keep data secure • Data in-flight is encrypted
24 Hour RPO
Site A
Site B
New in 5.8
VDP Adv
VDP Adv
9
Shorten Backup Windows Using Proxies
10
• External proxies allow up to 24 simultaneous backup workstreams
• Use SCSI-Hot Add for network-efficient, low-impact data transfer CLUSTER 1
vSphere
CLUSTER 2
vSphere
CLUSTER N
vSphere
VDPA PROXY
VDPA PROXY VDPA
Less data transferred
. . .
CLUSTER 1
vSphere
CLUSTER 2
vSphere
CLUSTER N
vSphere
. . .
VDPA
New in 5.8
Backup vCenter Server
11
vSphere
VDP
vCenter Server
VM
All vCenter Server components installed on same virtual machine
vSphere
VDP
vCenter Server
VM
All vCenter Server components installed across multiple virtual machines
vCenter Server
DB
1 Create & schedule backup job containing standalone vCenter Server VM
1 Create separate backup jobs for each vCenter VM
2 Schedule each job in a sequence (database VM, server VM, inventory service VM ..etc.)
3 Ensure each job follows same schedule (daily, weekly, monthly)
4 Perform app-consistent backup for database VM
Recover vCenter Server via ‘Emergency Restore’
12
1 Perform “Emergency Restore” of each vCenter Server VM
4 Check that VDP is accessible via the Web Client
3 Power on VMs in order of (SSO, Web Client, Inv Service, DB, Server Service)
2 Login to host using vSphere Client
vSphere Replication
13
Hypervisor-based Asynchronous Replication
vSphere
Site A (Primary)
vSphere
Site B (Recovery)
vSphere Replication
15-minute RPO and multiple point-in-time recovery
Enables replication between
heterogeneous datastores
Quiesce Windows and Linux machines
Snapshot-less replication
minimizes impact on VM workloads
Cloud DR to vCloud Air
SAN Virtual SAN Datastore
NAS Virtual SAN Datastore
• Full/initial Sync – Start fresh or with seed via physical media – Compares disk IDs – Calculates checksum of all blocks at source & target – Exchanges and compares checksums to determine delta – Replicates all changed blocks necessary to align virtual
disks
• Delta sync – Writes tracked by vSCSI filter driver, which is part of the
ESX host – Tracks new blocks as they are written – Bitmap of changed blocks is maintained between
replications – Each replica corresponds to a lightweight delta – During a sync changed blocks are read and sent to the
target – No VM stun & very little IO penalty
vSphere Replication – How it Works
14
What’s New in vSphere Replication
15
Enhanced Reporting New in
5.8
vCenter Site Recovery Manager (SRM) Automated Disaster Recovery Orchestration
vSphere
vCenter Server Site Recovery Manager vCenter Server Site Recovery
Manager
vSphere
Production Site Recovery Site
Servers Servers
vSphere Replication
Solution Description • SRM is the industry-leading disaster recovery
automation solution for vSphere environments
Key Features • Centralized recovery plans for thousands of VMs • Non-disruptive recovery testing • Automated DR workflows • Integrated with the VMware product stack
Key Benefits • Lowers the cost of DR management by 50% or more • Eliminates complexity and risk of manual processes • Enables fast and highly predictable RTOs • Provides policy-driven DR control for any virtualized app
* Disaster Avoidance
What’s New in vSphere Replication
17
Disaster Recovery to the Cloud
US East Region
US West Region
• US – Nevada • US – Virginia • US – Texas • US – California • EU – United Kingdom
Description
Benefits
§ Secure replication via an encrypted connection or a dedicated line into the cloud
§ Pre-packaged (warm) standby capacity on vCloud Air
§ Self-service protection, failover and failback workflows per VM
§ Test failover in the cloud
§ 15 min. – 24 hr. recovery point objective (RPO)1
§ Support for data seeding (ODT)
Primary Site
vCloud Air, Recovery Site
§ Lower CAPEX for DR site § Self-service protection, failover and failback
workflows per VM § Production-level support
What’s New in vSphere Replication
• Inputs for – Change rate – Packet loss – Latency – Average VM size – Capacity utilization
• Solve for – RPO – # of VMs – Network bandwidth
• Use with capacity planning fling
CONFIDENTIAL 18
Sizing Tool
vSphere Data Protection and vSphere Replication – Use Cases
19
RTO RPO Use Cases vSphere
Replication Minutes 15 minute to 24
hour intervals • Disaster recovery & testing • Planned migration • HW failure • Logical corruption
vSphere Data Protection
Hours Daily intervals • Local/remote recovery • Long-term retention • Compliance • Application consistency • Granular recovery
vSphere
VDP/VDPA Dedupe Store
vSphere
Primary Site DR site
VDP/VDPA Backup
vSphere Replication
VDP/VDPA Dedupe Store
VDP/VDPA Replication
Protecting the same VMs with both vSphere Data Protection and vSphere Replication
• Leverage the VDPA agents for application consistency
• Disable quiescing with vSphere Replication
CONFIDENTIAL 20
• Only use required RPOs
• Disable MPIT on VR if not required
• Avoid replicating with both products unless absolutely necessary
Impact of RPO on Data Transferred
21
10min RPO 60min RPO
10min
Base
Choosing the Right Product
22
HIGH LOW
SLO
W
FAST
Potential for Data Loss (RPO)
Tim
e to
Rec
over
(R
TO)
Synchronous Replication
Tape Backup
Asynchronous Replication
Snapshots
Disk Backup
vSphere Data
Protection
vSphere Replication
• vSphere Data Protection – RPO: >24 hour – RTO: hours – Retention: Days to months – Application consistency – Self-service file recovery – Protection of vSphere infrastructure
• vSphere Replication – RPO: <24 hours – RTO: minutes – Retention: hours – Full site recovery w/SRM – Cloud DR w/vCloud Air
22
Related VMworld Sessions
23
Data Protection and Replication
q Data Protection with VDP Advanced – BCO1454
- Technical Deep Dive - Best Practices
Tuesday 8/26 at 1:00 PM
q Data Protection for Virtual SAN – STO3354
Tuesday 8/26 at 11:00 AM
q Site Recovery Manager and vSphere Replication – BCO2629
- Technical Deep Dive - What’s New
Wednesday 8/27 at 10:00 AM Thursday 8/28 at 12:00 PM
Disaster Recovery
q Customer Panel: Disaster Recovery Lessons from Real Implementations
Monday 8/25 at 5:00 PM
q Site Recovery Manager and vCloud
Automation Center: Self-service DR Protection - BCO1893 Tuesday 8/26 at 1:00 PM Thursday 8/28 at 1:30 PM
q Site Recovery Manager and Stretched Storage: Tech Preview of a New Approach to Active-Active Data Centers – BCO1916 Tuesday 8/26 at 2:00 PM Wednesday 8/27 at 8:30 AM
Thank You
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Data Protection for vSphere 101: Keys to Successful Backup and Replication in a Virtual World
BCO2194
Daniel Miller, VMware, Inc Pooja Virkud, VMware, Inc
