Embed Size (px)
Citation preview
Enterprise Online Backup &
Disaster Recovery
www.zetta.net
Backup & Recovery:
Time is Never an Ally Chris Schin
Zetta VP Products February 2012
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Why do you do backups?
2
Site disaster
Server recovery
Revert to older file version
Replace deleted file
Other Dimensions
Cost
Complexity
Backup window
Degree
of
difficulty
Frequency
of
Occurrence
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Data Protection is not a Luxury
Hardware failures
Software failures
Human error
Malware
Natural disasters
Manmade disasters
Sabotage
74% of companies have had a data
loss incident in the past 2 years
3
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Evolution of Data Protection
4
Tape
Appliance
to cloud
Disk
D-D-T
Cloud
only
Recovera
bili
ty
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Top Data Protection Issues
5
Inability to recover and restore data
Exceeding recovery time objectives
Complex recovery and restore processes
Inadequate versioning
Data security
Cost
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Data scrubbing / checking
hardware, data hashing
Strong RAID (disk)
Multiple data copies (tapes)
Audited, secure processes
Quarterly restore testing
Inability to Recover and Restore Data
Issues
Data at rest failures
– Silent data corruption
– Tape failures
Data loss — missing tape
Out-of-date / support hardware
– Seven-year old tape
Lack of restore/validation testing
Lack of process testing
Remedies
6
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Exceeding Recovery Time Objectives
Issues
Time to recall tape(s)
Time to process multiple sets
of data (full backup plus
incrementals)
Unprioritized recovery order
Media errors / mistakes
Start over
Remedies
Disk-based recovery
Pre-planned recovery priority
Test / practice recovery
7
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Complex recovery and restore processes
Issues
Manual handling of tape or
removable disk
Offsiting of removable media
Full plus incremental recover
steps
– Grandfather Father Son
Unrehearsed, untested
processes
Remedies
Disk-based recovery
Synthetic full backups
Documentation and training
Quarterly testing
8
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Inadequate Versioning
Issues
Backup data is too old – most
critical/active data is today’s
On-premises snapshots used
as ―backup‖
Remedies
More frequent full backups
More frequent incremental
backups
Offsite / off-premises
snapshots
9
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Data Security
Issues
Lost / stolen portable media
– Mandated public notification
– Fines
– $$$
Hacked communications
Remedies
Encrypted portable media
Encrypted data transfers
At-rest encryption for public
storage services
Audited (e.g., SAS 70 Type II)
procedures / processes
10
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Cost
Issues
Optimizing recovery time adds expense
– Disk to tape $
– Disk to disk $$$
Providing fast recovery PLUS disaster protection adds expense
– Disk-to-disk-tape $$$$
Improving granularity adds expense $
Remedies
Categorize data and recovery
needs (will add complexity)
or
Online Backup…
11
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
An Alternative Approach
Online Backup using “Sync and Replicate”
Replicate data to an online, mountable storage service
Automatically sync changes with the primary data set (no
―backups!‖)
– Selectable frequency
Create granular, cloud-based restore points
– Hourly, daily, weekly
12
www.zetta.net
Enterprise Online Backup &
Disaster Recovery
Data Protection Using Online Backup
Benefits
Offsite, yet online, mountable and browsable (not on tape!)
Continually verifiable — just mount and read
Available for ―anytime‖ draw down of individual files, folders,
and directories
Ready for immediate failover
Secured, protected and managed by experts
13
Enterprise Online Backup &
Disaster Recovery
www.zetta.net
Thank You!
Chris Schin, Zetta VP Products
14
