Download - E2 evc 3-2-1-rule - mikeresseler
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The 3-2-1 ruleMike ResselerProduct Strategist | @mikeresseler | @[email protected]
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AgendaWhy?What is the 3-2-1 rule?It’s all about layers and possibilitiesQ&A
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Why?
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Why are we talking about this?
© 2015 Veeam Software. All rights reserved. All trademarks are the property of their respective owners.
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Business Requirements
More applications and services faster
LowerIT cost
Enable the Always-On business
Modern Data Center
Virtualization Modern storage
Cloud
Access from any place any device
More and better IT services
Lower IT costs
1
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© 2015 Veeam Software. All rights reserved. All trademarks are the property of their respective owners.
Enable the Always-On business
Modern Data Center
Lower operational costs
Provision IT services faster
Strengthen security and control
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© 2015 Veeam Software. All rights reserved. All trademarks are the property of their respective owners.
More applications and services faster
LowerIT cost
Enable the Always-On business
Modern Data Center
Virtualization Modern storage Cloud
Lower operational costs
Provision IT services faster
Strengthen security and control
![Page 8: E2 evc 3-2-1-rule - mikeresseler](https://reader030.vdocuments.us/reader030/viewer/2022032619/55c3e3c8bb61eb766d8b45d8/html5/thumbnails/8.jpg)
© 2015 Veeam Software. All rights reserved. All trademarks are the property of their respective owners.
More applications and services faster
LowerIT cost
Enable the Always-On business
Modern Data Center
Virtualization Modern storage Cloud
24/7 operations No patience for downtime and data loss
Growing amount of data
Enable the Always-On BusinessTM
The 3-2-1 Rule
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What is it?
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History• As far as we know it...• Invented by Peter Krogh (photographer: dpbestflow.org/node/262)
There are two kinds of people in the world – those who have had a hard drive failure, and those who will
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The 3-2-1 Rule
*Yes, technically “the cloud” is probably using a harddisk too
Three copies
Copy to diskBackup to folder
One copy offsite
Two media types*
Keep in safe
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The 3-2-1 Rule
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3 CopiesYou need (at least) 3 copies of your data
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2 Different MediaThe data should be stored at least at 2 different media
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1 Offsite1 of the copies should be offsite
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3 Copies
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Choices
Productionstorage
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Different Media
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Choices
Primary storage Primary storage Backup storage
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Offsite
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Tape
• Best price per GB• Does not consume power to be
stored
• Requires manual activities to be sent offsite
• Restores are not satisfying for demanding RTO
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Remote Site
• All in the hands of the owner• Disk based
• Staff needs to maintain two sites• Capital expenses for building and
hardware rarely used
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Co-location
• Same benefits as an owned remote site• Rental of the “building”
• Again, staff need to maintain two sites• Capital expenses for hardware that is
rarely used
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“Cloud”
• No expense for building or hardware• “Pay-as-you-go” model• Reduce the complexity• Seed and collect services for large
transfers
• Upload /Download• What happens with your data• RTO might be slow
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Layers
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Layers & Possibilities• One solution fits all?• Multiple layers is a better defense• Why stop at 3-2-1?• Think further
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Tiered approach• Sum the benefits
of different tiers• Neutralize the limits
of each tier• Statistics are your best friends• Most of the restores come
from recent restore points• Focus on your RTO, but design
around only the First Tier of your data protection strategy
“Files are rarely re-opened. Over 66% are re-opened once and 95% fewer than five times”
“Files re-opens are temporally related.Over 60% of re-opens occur within a minute of the first.”
Measurement and Analysis of Large-Scale Network File System WorkloadsAndrew W. Leung, Shankar Pasupathy, Garth Goodson, Ethan L. Miller, 2008
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Tier- (-1): Application protection
• Single point of failure (if the app fails…)• Consume production storage (but limited)
• Leverages the application• No impact on the hypervisor• Fast restores! • Possibly user restore possibilities
#1 GOAL: First defense starts within the application. E.g. SharePoint deleted items & versioning, Email deleted items, AD deleted items, SQL Log transaction…
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Tier-0: Storage snapshots
• Single point of failure (inside the same storage they protect)
• Consume precious production storage• No application consistency (or hard to have)• A volume contains multiple VMs
• Leverage performance of the storage• Low impact on the hypervisor• Fast restores! Content is non deduplicated• With Veeam you can add application
consistency
#1 GOAL: High-frequency copies with low impact on production
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Tier-1: Small and fast JBOD
• Hold few restore points• The vast majority of restores come
from the last week
• A proper server with Windows or Linux (runs Veeam Datamover locally)
• Multicore CPU and good amount of RAM
• Local disks or DAS• Mix SSD and HDD
#1 GOAL: Offer fast restores!!!
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Tier-2: Large and cheap disk storage
Still local and on disk to allow decent RPO and RTO
Any disk solution with low $/GB• SAN• Deduplication appliance• NAS• Software solutions• …
#1 GOAL: Extend retention period
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Tier-3: Offsite archival
Can be added after Tier-2 or directly after Tier-1
#1 GOAL: Extend retention AND offer offsite protection
Tape
• Require manual activities to go offsite
• Large amount of data can be moved on restores
“Cloud”• Directly reachable via Internet connection• A dumb storage space or an active
component?• Remote compute power allows direct
restores from cloud repositories
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Overall design
RPO/RTO
Price/Space
Tier-0: Storage snapshots
Tier-1: Small and fast JBOD
Tier-2: Large and cheap disk storage
Tier-3: Offsite archival
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I have a dream…
Tier 3
Tier 3
Tier 2Productionstorage
Tier 0
Tier -1
Tier 1
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I have a dream…
Tier 3
Tier -1
Tier 0 Tier 1
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Q&A
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Thank you!